- Mod $p$ representations of $p$-adic group and Hecke algebras, in Number Theory Seminar, at Tokyo University, April 18, 2018.
- A classification theorem of irreducible admissible mod $p$ representations and its consequences, in Arithmetic Geometry and Related Topics, at Ehime University, November 21, 2017.
- On extensions between irreducible representations of pro-$p$-Iwahori Hecke algebra at $q = 0$, in algebra seminar, at Hiroshima University, October 6, 2017.
- A classification theorem of irreducible modulo $p$ representations of $p$-adic reductive groups and its applications, in Symposium on Algebra, at Osaka University, September 7, 2017.
- An explicit formula of modulo $p$ Satake transform, in algebra seminar, at Tohoku university, May 11, 2017.
- Mod $p$ representation theory of $p$-adic reductive groups, Hokkaido University, November 30, 2016.
- Affine Hecke algebra at $q = 0$ and mod $p$ Satake transform, JMM Workshop on Representation theory and differential equations, Josai University, November 26, 2016.
- On mod $p$ Satake transforms, in Workshop on Shimura varieties, representation theory and related topics, at Kyoto University, November 21, 2016.
- On the structure of modulo $p$ compact induction of $p$-adic groups, in The $p$-adic Langlands Program and Related Topics, at Indiana University Bloomington, May 17, 2016.
- Some applications of the classification theorem of irreducible admissible mod $p$ representations, in Algebraisation and Geometrisation in the Langlands Programme, at University of Bristol, Bristol, March 30, 3016.
- A classification theorem of irreducible admissible modulo $p$ representations and its applications, in Seminaire Groupes Reductifs et Formes Automorphes, at Paris 6, Jussieu, December 14, 2015.
- Hermitian symmetric domain (survey), in Seisuuron Summer School 2015, at Aomori, August 18, 2015.
- A classification of irreducible admissible modulo $p$ representations of reductive $p$-adic groups, in Around Langlands correspondence, at Paris 11, Orsay, June 19, 2015.
- Loewy series of parabolically induced $G_1$-modules, at Universite Blaise Pascal - Clermont-Ferrand II, Clermont-Ferrand, June 12, 2015.
- A classification of irreducible admissible modulo $p$ representations of reductive $p$-adic groups, at Paris 13, May 29, 2015.
- Loewy series of parabolically induced $G_1$-modules, at Upsala University, Uppsala, Sweden, March 17, 2015.
- Representations of affine Hecke algebra at $q = 0$, at Institut Mittag-Leffler, Stockholm, Sweden, March 5, 2015.
- A classification of irreducible admissible modulo $p$ representations of reductive $p$-adic groups, at Universite de Reims, Reims, February 4, 2015.
- A classification of irreducible admissible modulo $p$ representations of reductive $p$-adic groups, in Seminaire de geometrie algebrique, Universite de Rennes 1, Rennes, January 15, 2015.
- A classification of irreducible modulo $p$ modules of pro-$p$-Iwahori Hecke algebras, in Seminaire d'Arithmetique et de Geometrie Algebrique, at Paris 11, Orsay, December 9, 2014.
- A classification of modulo $p$ irreducible modules of pro-$p$-Iwahori Hecke algebra, in Seminaire Groupes Reductifs et Formes Automorphes, at Paris 6, Jussieu, October 13, 2014.
- On a representation theory of affine Hecke algebra at $q = 0$, in Hyougen-ron seminar, at Hokkaido University, August 26, 2014.
- A classification of irreducible admissible modulo $p$ representations of reductive $p$-adic groups, in RIMS project 2014 Geometric Representation Theory, at RIMS, Kyoto University, August 1, 2014.
- ``Change of weight'' theorem, in Workshop on modular Iwahori-Hecke algebras, at Humboldt University, Germany, March 20, 2014.
- On a modulo $p$ representation of pro-$p$-Iwahori Hecke algebra, in KANT 2014, at Kyushu University, February 6, 2014.
- On a modulo $p$ representation of pro-$p$-Iwahori Hecke algebra, in Conference on Local Langlands Conjecture and Galois Representations, at Tata Institute of Fundamental Research, India, January 3, 2014.
- A classification of irreducible admissible modulo $p$ representations of reductive $p$-adic groups (mini-course), in Workshop on Local Langlands Conjecture and Galois Representations, at Tata Institute of Fundamental Research, India, December 23--27, 2013.
- A classification of irreducible admissible modulo p representations of reductive $p$-adic groups, in Algebraic Number Theory and related topics, at RIMS, Kyoto University, December 12, 2013.
- On modulo $p$ representations of pro-$p$ Iwahori-Hecke algebra, in 2013 Symposium on Representation Theory, at Miura, November 28, 2013.
- Representation Theory of mirabolic subgroup and irreducibility/reducibility of induced representations (survey), in Seisuuron Summer School 2013, at Hakone, September 3, 2013.
- On a Classification of Irreducible Modulo $p$ Representations of $p$-adic Groups, in The 2nd Pacific Rim Mathematical Association Congress (special session, Number Theory and Representation Theory), at Shanghai, China, June 24, 2013.
- On a classification of modulo $p$ representations of $p$-adic reductive groups, in algebra seminar, at Tohoku university, May 9, 2013.
- On a modulo $p$ representation of pro-$p$ Iwahori-Hecke algebra, in Modular Representation Theory of Finite and $p$-adic Groups, at Institute for Mathematical Sciences, National University of Singapore, April 22, 2013.
- On a classification of irreducible modulo $p$ representations of a split $p$-adic group, in Seminaire Groupes Reductifs et Formes Automorphes, at Paris 6, Jussieu, February 18, 2013.
- On affine Hecke algebra at $q = 0$,in Hyogen-ron workshop, at Tottori, December 26, 2012.
- Rigidity of parabolically induced module of a restricted enveloping algebra and Loewy series, at Hokkaido university, October 31, 2012.
- On a classification of irreducible modulo $p$ representations of a split $p$-adic group, at Osaka university, June 15, 2012.
- On a structure of modulo $p$ compact induction of split $p$-adic groups, in Workshop on the $p$-adic Langlands program, at Fields institute, April 23, 2012.
- Geometric realization of Jacquet functor via symmetric space, in Lie Theory seminar, at HKUST, February 7, 2012.
- Realization of Jacquet module via compactification of symmetric space, in Kyoto Representation Seminar, at RIMS, Kyoto University, November 11, 2011.
- On a classification of irreducible modulo $p$ representations of a split $p$-adic group, in 2011 Symposium on Representation Theory, at Minabe, November 10, 2011.
- On a classification of irreducible modulo $p$ representations of a split $p$-adic group, at Institute for the Physcs and Mathematics of the Universe, October 27, 2011.
- On a classification of irreducible admissible moduleo $p$ representations of a split $p$-adic group, in Analysis on Lie Groups, at Max Planck institute for Mathematics, September 21, 2011.
- Extension between Verma modules and $R$-polynomial, in Algebraic Representation Theory Conference, at Upsala University, September 2, 2011.
- On a classification of irreducible admissible modulo $p$ representations of a split $p$-adic group, in Workshop on the arithmetic geometry of Shimura varieties and Rapoport-Zink spaces, at Kyoto University, July 5, 2011.
- On a classification of irreducible admissible moduleo $p$ representation of a split $p$-adic reductive group, in Osaka Representation seminar, at Osaka City University, June 20, 2011.
- On a classification of irreducible admissible modulo $p$ representations of a split $p$-adic group, in 2011 Nankai International Workshop on Representation Theory and Harmonic Analysis, at Nankai University, June 8, 2011.
- On a geometric realization of Jacquet module via compactification of symmetric space, Representation theory of Algebraic groups and Quantum groups, Shodoshima, June 3, 2011.
- On a classification of irreducible admissible moduleo $p$ representation of a split $p$-adic reductive group, in Algebra seminar, at Kyushu University, May 20, 2011.
- On a classification of irreducible admissible moduleo $p$ representation of a split $p$-adic reductive group, at Hokkaido University, May 12, 2011.
- On a geometric realization of Jacquet module via compactification of symmetric space, in Representation Theory Seminar, at Hokkaido University, April 25, 2011.
- Extension between Verma modules and $R$-polynomials, in 2010 Symposium on Representation Theory, at Izunokuni, November 12, 2010.
- On extensions between principal series of complex semisimple Lie groups, in Autumn Meeting of Mathematical Society of Japan, at Nagoya University, September 22, 2010.
- Jacquet modules of parabolically induced representation, in 2010 Nankai Summer School on Representation Theory and Harmonic Analysis, at Nankai University, June 11, 2010.
- On the extensions between Verma modules, in Recent Advances in Mathematics at IPMU, 2, at Institute for the Physcs and Mathematics of the Universe, The University of Tokyo, April 6, 2010.
- On extensions between principal series of complex semisimple Lie groups, in The 9th Workshop on Nilpotent Orbits and Representation Theory, at Hokkaido University, February 19, 2010.
- On the existence of homomorphisms between principal series of complex semisimple Lie groups, in Tokyo-Seoul Conference in Mathematics Representation Theory, at University of Tokyo, December 4, 2009.
- On dimension of Whittaker vectors, in Workshop on Arithmetic Geometry in Kanazawa, at Kanazawa, November 26, 2009.
- Jacquet modules of parabolic induction, in AGU Lectures on Representation Theory, Aoyama Gakuin University, October 22, 2009.
- Vanishing of higher extension groups of twisted Verma modules, in Autumn Meeting of Mathematical Society of Japan, at Osaka University, September 27, 2009.
- Jacquet modules of parabolic induction, Workshop on Integral Geometry and Group Representations, Tambara Institute of Mathematical Sciences, August, 10, 2009.
- The category $\mathcal{O}$ for a general Coxeter system, in RIMS Conference ``New developments in group representation theory and non-commutative harmonic analysis'', at RIMS, Kyoto University, June, 3, 2009.
- On the dimension of degenerate Whittaker vectors of principal series, in Representation Theory, at Hokkaido University, March 18, 2009.
- On a generalization of the BGG category, in The 8th Workshop on Nilpotent Orbits and Representation Theory, at Otsu, March 8, 2009.
- On the existence of homomorphisms between principal series of complex semisimple Lie groups, in MIT Lie Groups Seminar, at Massachusetts Institute of Technology, February 18, 2009.
- On the vanishing of extension groups between twisted Verma modules, in Hyogen-ron workshop, at Tottori, December 26, 2008.
- On the existence of homomorphisms between principal series of complex semisimple Lie groups, in RIMS Workshop ``New Viewpoints of Representation Theory and Noncommutative Harmonic analysis'', at RIMS, Kyoto University, September, 16, 2008.
- On the existence of homomorphisms between twisted Verma modules, in Mini-Workshop on Representation Theory, at University of Tokyo, September, 14, 2008.
- Highest weight representations of complex semisimple Lie algebras, in Colloquium, at Ehime University, July, 28, 2008.
- On the existence of homomorphisms between principal series of complex semisimple Lie groups, in RIMS Seminar, at RIMS, Kyoto University, July 15, 2008.
- On the existence of homomorphisms between principal series of complex semisimple Lie groups, in Lie Groups and Representation Theory, at University of Tokyo, December 18, 2007.
- Jacquet modules and twisting functors, in RIMS Workshop ``Representation Theory and Analysis on Homogeneous Spaces'', at RIMS, Kyoto University, September 3, 2007.
- On a generalization of Jacquet modules of degenerate principal series representations, in Tambara Workshop 2007 Geometry and Representations in Lie Theory, at Tambara Institute of Mathematical Sciences, August 21, 2007.
- Symmetric functions and representation theory (survey), in Workshop on Spherical Functions on $p$-adic Groups, at Tambara Institute of Mathematical Sciences, July 30, 2007.
- On Jacquet modules of principal series representations, in Annual Meeting of Mathematical Society of Japan in year 2007, at Saitama University, March 29, 2007.
- Jacquet modules of principal series, in 2006 Symposium on Representation Theory, at Yugawara, November 15, 2006.
- Jacquet modules of principal series generated by the trivial $K$-type, in RIMS Workshop ``Representation Theory and Analysis on Homogeneous Spaces'', at RIMS, Kyoto University, August 23, 2006.
- Jacquet modules of principal series generated by the trivial $K$-type, in Representation Theory, at Hokkaido University, April 25, 2006.
- On Jacquet modules, in Hyogen-ron workshop, at Yokohama City University, March 30, 2006.
- On the Jacquet modules of principal series generated by the trivial $K$-type, in Lie Groups and Representation Theory, at University of Tokyo, January 17, 2006.
- Microlocalization of universal enveloping algebra for $\mathfrak{sl}(2,\mathbb{C})$ and boundary value maps, in 2005 Symposium on Representation Theory, at Kakegawa, November 16, 2005.