HH

Hitoshi Hamada

TO Toyota: 18 patents #1,345 of 26,838Top 6%
TC Toyoda Gosei Co.: 3 patents #706 of 2,296Top 35%
TC Taiho Kogyo Co.: 2 patents #102 of 332Top 35%
KI Kawada Industries: 1 patents #5 of 38Top 15%
NC Nippon Rubber Co.: 1 patents #9 of 19Top 50%
YA Yamauchi: 1 patents #20 of 35Top 60%
NI Nikon: 1 patents #1,647 of 2,493Top 70%
Overall (All Time): #206,283 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11233252 Fuel cell case Hideyuki KANAZAWA, Michitaro Itoga 2022-01-25
10903513 Fuel cell device and vehicle with the same mounted thereon Hideyuki KANAZAWA, Terufumi Kobayashi 2021-01-26
10522865 Fuel cell stack Tatsuhiko Shimizu, Tadanobu Ota, Yoshiki Nakamura 2019-12-31
10522846 Fuel cell end plate with resin layer and protrusion Tatsuhiko Shimizu, Yutaka Hotta, Tatsuya TOKUMASU, Tadanobu Ota, Yoshiki Nakamura 2019-12-31
10439247 Fuel cell stack Tatsuhiko Shimizu, Tatsuya TOKUMASU, Tadanobu Ota, Yoshiki Nakamura 2019-10-08
9570768 Fuel cell system and control method thereof Yasushi Araki, Hiroaki Takeuchi 2017-02-14
9520612 Fuel cell Yasuyuki Sato, Hiroaki Takeuchi 2016-12-13
9397349 Fuel cell Kenji Tsubosaka, Manabu Kato 2016-07-19
9118049 Fuel cell system Hideki Kubo, Hironori Noto 2015-08-25
8921000 Fuel cell Naohiro Takeshita, Masayuki Ito, Atsushi Ida, Haruyuki AONO, Norishige Konno +2 more 2014-12-30
8877393 Fuel cell Hiroaki Takeuchi, Tomohiro Ogawa, Ryouichi Nanba, Takumi Taniguchi, Shinji Jomori +4 more 2014-11-04
8455156 Separator for fuel cell and fuel cell Yoshinori Yamamoto, Hiroya Nakaji, Toshiyuki Suzuki, Haruyuki AONO 2013-06-04
8415063 Fuel cell system Nobuyuki Orihashi, Tsunemasa Nishida, Kenichi Tokuda, Junji Nakanishi, Tsutomu Ochi +2 more 2013-04-09
7572537 Fuel cell and separator for the same Masayoshi Iwase, Shigeyuki Kawatsu, Seiji Mizuno, Joji Yoshimura 2009-08-11
7138200 Fuel cell and separator for the same Masayoshi Iwase, Shigeyuki Kawatsu, Seiji Mizuno, Joji Yoshimura 2006-11-21
6769642 Pinch roller and pinch roller apparatus Hiroyuki Yamasaki, Atsushi Kato 2004-08-03
6444338 Fuel cell system with improved startability Yasushi Araki, Shigeaki Murata 2002-09-03
6277511 Fuel cell Masayoshi Iwase 2001-08-21
6245453 Fuel cell and separator for the same Masayoshi Iwase, Shigeyuki Kawatsu, Seiji Mizuno, Joji Yoshimura 2001-06-12
5473426 Defect inspection apparatus Fuminori Hayano, Hideyuki Tashiro 1995-12-05
D255174 Sole 1980-06-03