Started as a painter according to the word "You shoud paint" by Toshimitsu Imaï
Gien Exhibiton (Sogetsu Museum / Akasaka, Tokyo)
ARTEX PARIS '96 (Garelly Ettienne de Causans / Paris)
ARTEX TOKYO '96 (Setagaya Museum / Setagaya-ku, Tokyo)
Solo Exhibition "Le Japon" (Garelly Eryette Peyre / Paris)
Solo Exhibition "KOKIN" (Sogo Department Store Garelly / Yurakucho, Tokyo)
Solo Exhibition "KOKIN new artwork" (NHK Garelly / Matsue, Shimane Pref.)
Japanese heart and contemporary art exhibition (Garelly Eryette Peyre / Paris)
Solo Exhibition "My personal landscape in my heart" (Matsuzakaya department store / Ueno, Tokyo)
Sharjah International Arts Biennial '99 (Sharjah, United Arab Emirates)
International Group Show '99 in Mexico (Toruca Museun / Toruca, Mexico)
Solo Exhibition "KOKIN" (Sogo department store / Omiya-city, Saitama pref.)
Solo Exhibition "KOKIN" (Sogo department store / Yokohama-city, Kanagawa pref.)
Solo Exhibition "KOKIN" (Matsuzakaya department store / Ueno, Tokyo)
International Group Show 2000 in Osaka (World Trading Center Building / Osaka)
Solo Exhibition "KOKIN" (Sogo department store / Omiya-city, Saitama prf.)
Solo Exibition (Sogo department store / Omiya-city, Saitama prf.)
International Group Show '01 Seoul (War Memorial Museum / Seoul )
Solo Exibition "1ere La CENTAIN KOKIN solo exhibition" in Seoul (Insa Art Center / Seoul)
Painting donation to the Embassy of Japan in Korea (Japan Culture Center in Korea / Seou)
Artex Paris (atelire visconti / Paris)
Solo Exibition "2eme La CENTAIN KOKIN solo exhibition" in Paris(Atelier Viscontii / Paris)
Solo exhibition "Kokin world" (gallery Ippodo /Shinagawa, Tokyo)
International Art Festival - International Creative Art Association (Sejeon Art Center / Seoul)
Solo Exibition "Asakusa Central Hotel opening ceremony" (Asakusa, Tokyo)
Solo Exibition "Summer flower exhibition by KOKIN" (Ippodo gallery / Ginza, Tokyo)
Alytus International Artist Symposium in Lithuania [3eme La CENTAIN] (Alytus / Lithuania)
Solo Exibition "Kokin Modern Japanism" (Kamimgata Ginka / Osaka)
Korea-Japan Modern art exchange exhibition 2003 (Sejeon Art Center / Seoul)
Solo Exhibition "Kokin World" (Ippodo gallery / Shinagawa, Tokyo)
Typography Art Project (Ratia /Aoyama, Tokyo)
Interop 2004 -Fusion Communications & Kokin collaboration-(Makuhari Messe / Chiba pref.)
Korea-Japan Modern art exchange exhibition 2004 (Sejeon Art Center / Seoul)
Solo Exibition "1ere La CENTAIN KOKIN solo exhibition" in Seoul (Insa Art Center / Seoul)
Wall paintings installed in the resutaurant Joël Robuchon (Chateaux Restaurant Joël Robuchon / Ebisu Garden Place, Tokyo)
Solo Exhibition "Kokin" (Gallery Kaigado / Yurakucho, Tokyo)
Solo Exhibition "Kokin" (Ippodo gallery / Shinagawa, Tokyo)
Solo Exhibition "Kokin" (Gallery Kaigado / Yurakucho, Tokyo)
Solo Exhibition "KOKIN en BiCE TOKYO" (BiCE Tokyo / Shimbashi, Tokyo)
Solo Exhibition "Kokin" (Ippodo gallery / Shinagawa, Tokyo)
Incheon Art Fair (Incheon Centrarl Culture Center / Incheon, Seoul)
Incheon Invitation Art Exhibition (Sinsegeae department store / Incheon, Seoul)
Solo Exhibition "Kokin" (Ippodo gallery / Shinagawa, Tokyo)
Artex Tokyo (O-Museum / Shinagawa, Tokyo)
Solo Exhibition "Kokin" (Matsuzakaya department store / Ueono, Tokyo)
Solo Exhibition "Kokin" (Matsuzakaya department store / Ueono, Tokyo)
Solo Exhibition "Kokin" (Gallery Kaigado / Imperial Hotel Yurakucho, Tokyo)
Solo Exhibition "Kokin" (Matsuzakaya department store / Ueono, Tokyo)
Solo Exhibition "Kokin" (Sogo department store / Hachioji, Tokyo)
Solo Exhibition "Kokin" (Sogo department store / Chiba city, Chiba)
Association Typographique Internationale presentation (Dublin, Ireland)
Solo Exhibition "Kokin" (Matsuzakaya department store / Ueono, Tokyo)
Solo Exhibition "Kokin" (Sogo department store / Hachioji, Tokyo)
Solo Exhibition "Kokin" (Saikaya department store / Fujisawa city, Kanagawa)
Association Typographique Internationale presentation (Hong Kong)
Solo Exhibition "Kokin" (Matsuzakaya department store / Ueono, Tokyo)
Solo Exhibition (BiCE Tokyo / Shimbashi, Tokyo)
Exhibition "Kokin" (Matsuzakaya department store / Ueono, Tokyo)
Collaboration CATHERINE MEMMI and KOKIN (l’interiors / Aoyama, Tokyo)
Paintings installed on the lounge floor in Hyatt Regency Tokyo (HYATT REGENCY TOKYO / Shinjuku, Tokyo)
Paintng installed in the restaurant of The Sakura Dining Tokyo (Sakura Dining Tokyo / Shinjuku, Tokyo)
Exhibition "Kokin" (Keio department store / Shinjuku, Tokyo)
Solo Exhibition "Typo expression by Kokin" (Ippodo gallery / Shinagawa, Tokyo)
Paintings installed at the club lounge of The Ritz-Carlton Tokyo (Ritz-Carlton TOKYO / Roppongi, Tokyo)
Exhibition "Kokin" (Keio department store / Shinjuku, Tokyo)