KK

Keisuke Koga

Sumitomo Electric Industries: 18 patents #1,247 of 21,551Top 6%
PA Panasonic: 6 patents #4,438 of 21,108Top 25%
SO Sortec: 1 patents #5 of 9Top 60%
📍 Osaka, JP: #143 of 258 inventorsTop 60%
Overall (All Time): #155,560 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
8857500 Heat exchange device and heat generating element containing device using same Keisuke Tsuji, Mutsuhiko Matsumoto, Nobuyuki Yasui, Hiroshi Shibata, Naoyuki Funada +4 more 2014-10-14
8713959 Heat generating body box housing refrigeration device Yuuji Nakano, Hiroshi Shibata, Mutsuhiko Matsumoto, Keisuke Tsuji 2014-05-06
8384281 Matrix-type cold-cathode electron source device Makoto Yamamoto 2013-02-26
8294351 Matrix-type cold-cathode electron source device Makoto Yamamoto 2012-10-23
7825591 Mesh structure and field-emission electron source apparatus using the same Junichi Kimiya, Makoto Yamamoto 2010-11-02
7588475 Field-emission electron source, method of manufacturing the same, and image display apparatus Makoto Yamamoto, Akinori Shiota, Seigo Kanemaru, Masayoshi Nagao 2009-09-15
7365481 Field emission device with change in emission property Toru Kawase 2008-04-29
7215072 Field-emission electron source, method of manufacturing the same, and image display apparatus Makoto Yamamoto, Akinori Shiota, Seigo Kanemaru, Masayoshi Nagao 2007-05-08
7190334 Driving method and driving apparatus for a field emission device Toru Kawase 2007-03-13
7112920 Field emission source with plural emitters in an opening Makoto Yamamoto, Akinori Shiota, Seigo Kanemaru, Masayoshi Nagao 2006-09-26
6940218 Doped field-emitter Toru Kawase, Kenichi Honda, Tetsuya Norikane 2005-09-06
6914373 Electron lens and structure for a cold cathode of a cathode ray tube Takashi Itoh, Masahide Yamauchi, Koji Fujii, Toru Kawase 2005-07-05
6818915 Field-emission electron source 2004-11-16
6812654 Field emission type electron source element, electron gun, cathode ray tube apparatus, and method for manufacturing cathode ray tube Toru Kawase 2004-11-02
6794822 Field emission electron source, electron gun and cathode ray tube device using the same Toru Kawase, Masahide Yamauchi, Koji Fujii, Takashi Itoh 2004-09-21
6692327 Method for producing electron emitting element Masahiro Deguchi, Makoto Kitabatake, Kanji Imai, Tomohiro Sekiguchi, Hideo Kurokawa +2 more 2004-02-17
6661166 Electron gun and cathode-ray tube Masahide Yamauchi, Takashi Itoh, Koji Fujii, Toru Kawase 2003-12-09
6400091 Electron emission element and image output device Masahiro Deguchi, Makoto Kitabatake, Kanji Imai, Tomohiro Sekiguchi, Hideo Kurokawa +2 more 2002-06-04
5925891 Field-emission electron source Yoshikazu Hori, Takehito Yoshida, Yuka Yamada 1999-07-20
5909033 Vacuum-sealed field-emission electron source and method of manufacturing the same Kiyoyuki Morita 1999-06-01
5897790 Field-emission electron source and method of manufacturing the same Yoshikazu Hori, Takehito Yoshida, Yuka Yamada 1999-04-27
5494179 Field-emitter having a sharp apex and small-apertured gate and method for fabricating emitter Yoshikazu Hori 1996-02-27
5434648 Proximity exposure method and machine therefor Nobufumi Atoda, Tohru Itoh 1995-07-18
5227268 X-ray mask and its fabricating method-comprising a first and second alignment pattern Juro Yasui 1993-07-13
4948238 Optical projection system Nobuhiro Araki, Takeo Sato, Koichi Kawata, Noboru Nomura 1990-08-14