KU

Koichi Umezawa

HI Hitachi: 12 patents #3,472 of 28,497Top 15%
HS Hitachi Video And Information Systems: 3 patents #39 of 269Top 15%
HS Hitachi Home And Life Solutions: 2 patents #2 of 36Top 6%
Overall (All Time): #320,944 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
D809409 Breath alcohol content analyzer Atsushi Ishibashi, Masuyoshi Yamada, Hironori Wakana, Minoru Sakairi 2018-02-06
D733135 Magnetic disk storage unit for electronic computer Toshiyuki Utsuki, Junpei Hokari, Kenta Kumagai, Manabu Yamagata, Toru Kobayashi 2015-06-30
D733134 Magnetic disk storage unit for electronic computer Toshiyuki Utsuki, Junpei Hokari, Kenta Kumagai, Yoshikatsu Kasahara, Kenichi Miyamoto 2015-06-30
9061597 Quick charger and quick charging system for electric vehicle Masaru Oda, Toshiyuki Utsuki, Yoshitomo Sakayori, Shoji Kawai, Masakatsu Horii 2015-06-23
D730894 Magnetic disc storage unit for electronic computer Junpei Hokari, Toshiyuki Utsuki, Kenta Kumagai, Chikazu Yokoi, Yoshikatsu Kasahara 2015-06-02
D690694 Magnetic disk storage unit for electronic computer Toshiyuki Utsuki, Sayuri Hashizume, Kenta Kumagai, Chikazu Yokoi, Yoshikatsu Kasahara 2013-10-01
D669026 Electric vehicle charging station Masaru Oda, Toshiyuki Utsuki, Yoshitomo Sakayori, Shoji Kawai, Masakatsu Horii 2012-10-16
7276099 Electric vacuum cleaner Shoji Hayashi, Yukiji Iwase, Yasuyuki Hiruta, Kyouichi Kanno, Susumu Sato +4 more 2007-10-02
7207083 Electric vacuum cleaner Shoji Hayashi, Yukiji Iwase, Yasuyuki Hiruta, Kyouichi Kanno, Susumu Sato +4 more 2007-04-24
7152978 Liquid crystal projector, and projection lens unit, optical unit and cooling system for the same Nobuhiko Konuma, Hidetomo Yoshimura, Seiichi Sekiguchi, Mikiharu Kuwata, Masaharu Deguchi +16 more 2006-12-26
6824273 Liquid crystal projector, and projection lens unit, optical unit and cooling system for the same Nobuhiko Konuma, Hidetomo Yoshimura, Seiichi Sekiguchi, Mikiharu Kuwata, Masaharu Deguchi +16 more 2004-11-30
6783245 Liquid crystal projector, and projection lens unit, optical unit and cooling system for the same Nobuhiko Konuma, Hidetomo Yoshimura, Seiichi Sekiguchi, Mikiharu Kuwata, Masaharu Deguchi +16 more 2004-08-31
6290360 Liquid crystal projector, and projection lens unit, optical unit and cooling system for the same Nobuhiko Konuma, Hidetomo Yoshimura, Seiichi Sekiguchi, Mikiharu Kuwata, Masaharu Deguchi +16 more 2001-09-18
5819185 Portable satellite communication apparatus Takashi Ohwada, Shiro Fujimori, Shiho Nakagawa, Minako Sasahara, Tohru Higashihara 1998-10-06
5491507 Video telephone equipment Hiroyuki Kuriyama, Takanori Nishiyama, Kiyoshi Ishida, Iwao Ishinabe 1996-02-13