HI

Hiroshi Ishihara

Aisin Seiki Kabushiki Kaisha: 11 patents #268 of 3,782Top 8%
EC Eisai R&D Management Co.: 9 patents #56 of 817Top 7%
Sharp Kabushiki Kaisha: 8 patents #2,076 of 10,731Top 20%
TT Tokyo Institute Of Technology: 4 patents #94 of 1,159Top 9%
Ricoh Company: 4 patents #4,167 of 9,818Top 45%
MI Mitsubishi Cable Industries: 3 patents #69 of 372Top 20%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
DI Drug Delivery System Institute: 2 patents #8 of 35Top 25%
Honda Motor Co.: 2 patents #8,527 of 21,052Top 45%
ME Mercian: 2 patents #34 of 110Top 35%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
SU Subaru: 1 patents #677 of 1,436Top 50%
FL Fujitsu Microelectronics Limited: 1 patents #212 of 624Top 35%
DC Daido Metal Company: 1 patents #166 of 280Top 60%
SO Softbank: 1 patents #59 of 194Top 35%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
📍 Tsukuba, JP: #29 of 2,818 inventorsTop 2%
Overall (All Time): #52,332 of 4,157,543Top 2%
51
Patents All Time

Issued Patents All Time

Showing 26–50 of 51 patents

Patent #TitleCo-InventorsDate
6131967 Door lock assembly for automotive vehicles Ichiro Kondo, Toshitsugu Oda 2000-10-17
6057431 Amidite derivatives and oligonucleotide derivatives Takayuki Kawaguchi, Masahiro Ikeda, Kazutaka Nakamoto, Atsushi Sasaki 2000-05-02
5981366 Method for manufacturing non-volatile memory Yasuhiro Koyama 1999-11-09
5951069 Door closing apparatus Norikazu Kobayashi, Hiroyuki Mizushima, Ryujiro Akizuki 1999-09-14
5944367 Door closing apparatus Tomoaki Imaizumi, Eiji Itami, Norikazu Kobayashi, Hiroyuki Mizushima, Ryujiro Akizauki 1999-08-31
5822239 Method of writing data to a single transistor type ferroelectric memory Eisuke Tokumitsu 1998-10-13
5619494 Access unit for local area network and concentrator system thereof Toshiyuki Nishikawa 1997-04-08
5580904 Formamido and carboxyamido compounds which can be retained in brain Toyoaki Ishikura, Teruomi Ito, Takashi Kato, Kazutoshi Horie, Takashi Senou 1996-12-03
5519812 Ferrelectric adaptive-learning type product-sum operation circuit element and circuit using such element 1996-05-21
5494321 Vehicle door lock mechanism Yoshinobu Ogura 1996-02-27
5466021 Door closing device Yoshinobu Ogura 1995-11-14
5454607 Door closing device Yoshinobu Ogura 1995-10-03
5322810 Method for manufacturing a semiconductor device Akitsu Ayukawa, Shigeo Onishi 1994-06-21
5303199 Redundant memory device having a memory cell and electrically breakable circuit having the same dielectric film Makoto Tanigawa 1994-04-12
5299151 Method for writing into semiconductor memory Kenichi Tanaka, Keizo Sakiyama 1994-03-29
5299152 Anti-fuse memory device with switched capacitor setting method Kenichi Tanaka, Keizo Sakiyama 1994-03-29
5285959 Air heating apparatus Masayuki Nanba, Yoshikazu Matsuda, Akio Taki, Takashi Nishikawa, Masao Yoshikawa +1 more 1994-02-15
5278784 Non-volatile memory Norihiro Tokuyama, Masaru Yuki 1994-01-11
5217912 Method for manufacturing a semiconductor device Akitsu Ayukawa, Shigeo Onishi 1993-06-08
5179291 Access unit for local area network Toshiyuki Nishikawa 1993-01-12
5119163 Semiconductor device Kenichi Tanaka, Keizo Sakiyama 1992-06-02
5034738 Concentrator for local area network with loop topology Toshiyuki Nishikawa 1991-07-23
5009035 Window regulator apparatus Nobuyuki Kuki, Yukio Isomura, Hirokazu Suzumura, Yoshikazu Sakakibara 1991-04-23
4917424 Handle device of lid opener mechanism Kimiharu Hirose 1990-04-17
4685113 Driver isolating circuit for common bus-type transmission of local area network Susumu Hono, Ichiro Okuda, Masahiko Hori 1987-08-04