CK

Chihiro Kawai

Sumitomo Electric Industries: 18 patents #1,247 of 21,551Top 6%
📍 Itami, JP: #161 of 1,436 inventorsTop 15%
Overall (All Time): #241,349 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
7767158 Surface light-emitting device, filtering device using same, and optically assisted ceramic filter Ryuichi Inoue 2010-08-03
7468529 Porous UV-emitting semiconductor on porous substrate as sterilizing filter made by filtering suspended semiconductor particles Masami Tatsumi 2008-12-23
7255320 Mold for a plastic filter 2007-08-14
6569524 High thermal conductivity composite material, and method for producing the same Hirohiko Nakata 2003-05-27
6507105 Member for semiconductor device and method for producing the same Shin-ichi Yamagata, Osamu Suwata, Akira Fukui, Yoshinobu Takeda 2003-01-14
6280496 Silicon carbide based composite material and manufacturing method thereof Shin-ichi Yamagata, Akira Fukui, Yoshinobu Takeda 2001-08-28
6214227 Ceramic filter module Jin-Joo Park 2001-04-10
6123895 Aluminum base member for semiconductor device containing a nitrogen rich surface and method for producing the same Shin-ichi Yamagata, Osamu Suwata, Akira Fukui, Yoshinobu Takeda 2000-09-26
6091375 Radome Tomoji Goto, Akihito Fujii 2000-07-18
5858523 Porous ceramic film and process for producing the same Takahiro Matsuura, Akira Yamakawa 1999-01-12
5846460 Method of preparing silicon nitride porous body Takahiro Matsuura, Akira Yamakawa 1998-12-08
5780374 High-strength porous silicon nitride body and process for producing the same Takahiro Matsuura, Akira Yamakawa 1998-07-14
5776600 Slide member and method of manufacturing the same Tetsuya Katayama, Kaoru Murabe, Osamu Komura, Akira Yamakawa, Kenji Matsunuma +3 more 1998-07-07
5695700 Method of preparing a ceramic porous body Hisao Takeuchi, Seiji Nakahata, Takahiro Matsuura 1997-12-09
5696042 Ceramic porous body and method for preparing the same Takahiro Matsuura, Akira Yamakawa 1997-12-09
5618765 Ceramics porous body and method of preparing the same Hisao Takeuchi, Seiji Nakahata, Takahiro Matsuura 1997-04-08
5543371 Slide member and method of manufacturing the same Tetsuya Katayama, Kaoru Murabe, Osamu Komura, Akira Yamakawa, Kenji Matsunuma +3 more 1996-08-06
5354398 Method of manufacturing fiber-reinforced composites having a gradient function 1994-10-11
5254397 Carbon fiber-reinforced composite material having a gradient carbide coating Tadashi Igarashi 1993-10-19