HI

Hiroyuki Itoh

HT Headway Technologies: 53 patents #26 of 309Top 9%
HI Hitachi: 43 patents #413 of 28,497Top 2%
Nsk: 26 patents #25 of 1,559Top 2%
S( Sae Magnetics (H.K.): 22 patents #21 of 585Top 4%
NO Nippon Oil: 16 patents #27 of 773Top 4%
Fujitsu Limited: 15 patents #1,986 of 24,456Top 9%
MI Mitsui Toatsu Chemicals, Incorporated: 15 patents #51 of 1,543Top 4%
Tdk: 9 patents #675 of 3,796Top 20%
SS Sumitomo Wiring Systems: 4 patents #805 of 2,615Top 35%
MC Meiji Milk Products Co.: 4 patents #8 of 143Top 6%
DE Denso: 3 patents #3,857 of 11,792Top 35%
JR Japan Synthetic Rubber: 3 patents #110 of 558Top 20%
SO Sony: 2 patents #12,963 of 25,231Top 55%
SC Sankyo Holdings Co.: 2 patents #300 of 700Top 45%
DN Dsm N.V.: 2 patents #144 of 669Top 25%
Canon: 2 patents #12,681 of 19,416Top 70%
OC Ono Pharmaceutical Co.: 2 patents #224 of 559Top 45%
HC Hitachi Instruments Engineering Co.: 2 patents #8 of 126Top 7%
NE Nec Electronics: 1 patents #715 of 1,789Top 40%
HK Hks: 1 patents #3 of 13Top 25%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
KO Komatsu: 1 patents #1,163 of 2,087Top 60%
MC Meiji Co.: 1 patents #75 of 202Top 40%
CL Central Glass Company, Limited: 1 patents #505 of 968Top 55%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
TC Techno Polymer Co.: 1 patents #33 of 68Top 50%
TC Toyo Ink Mfg. Co.: 1 patents #227 of 499Top 50%
📍 Suita, CA: #1 of 3 inventorsTop 35%
Overall (All Time): #3,087 of 4,157,543Top 1%
208
Patents All Time

Issued Patents All Time

Showing 151–175 of 208 patents

Patent #TitleCo-InventorsDate
5491001 Method for producing viewing angle compensator for liquid crystal display Hitoshi Mazaki, Takehiro Toyooka 1996-02-13
5472635 Phase plate and liquid crystal display using same Shigeki Iida, Takehiro Toyooka, Yasuyuki Takiguchi, Akihiko Kanemoto, Haruo Iimura 1995-12-05
5468969 Method and apparatus for electron beam lithography Hideo Todokoro, Yasunari Sohda, Yoshinori Nakayama 1995-11-21
5456867 Viewing angle compensator for liquid crystal display Hitoshi Mazaki, Takehiro Toyooka 1995-10-10
5440008 Process for preparing polyhydroxycarboxylic acid Fumiaki Ichikawa, Mineo Kobayashi, Masahiro Ohta, Yasunori Yoshida, Shoji Obuchi 1995-08-08
5430397 Intra-LSI clock distribution circuit Noboru Masuda, Hideo Maejima, Tadahiko Nishimukai 1995-07-04
5403783 Integrated circuit substrate with cooling accelerator substrate Keiichiro Nakanishi, Tsuneyo Chiba, Tatsuya Saitoh, Takeshi Kato 1995-04-04
5396198 Electronic circuit device having a series connection of resistor and capacitance as a noise reducing circuit connected to a power source wiring Hiroki Yamashita, Keiichirou Nakanishi, Tatsuya Saitoh, Tohru Kobayashi, Satoru Isomura 1995-03-07
5396077 Electron beam lithography apparatus having electron optics correction system Yasunari Sohda, Yasuhiro Someda, Yoshinori Nakayama, Hidetoshi Satoh, Genya Matsuoka 1995-03-07
5394490 Semiconductor device having an optical waveguide interposed in the space between electrode members Takeshi Kato, Yuuji Fujita, Kenichi Mizuishi, Atumi Kawata 1995-02-28
5387799 Electron beam writing system Yasunari Sohda, Hideo Todokoro, Shinichi Kato 1995-02-07
5359443 Process for producing heat-resistant optical element by heating liquid crystal polymer at polymerization temperature during or after orientation treatment Takehiro Toyooka 1994-10-25
5324207 Cap for a high-tension cable terminal for use in an automobile engine Yuji Kawai 1994-06-28
5315123 Electron beam lithography apparatus Minoru Sasaki 1994-05-24
5302647 Flame resistant resin composition Masanori Suzuki, Masaaki Mawatari, Tateki Furuyama 1994-04-12
5302187 Concentration process of gaseous chlorine Yoshitsugu Kono, Shinji Takenaka, Yukihiro Yoshikawa, Isao Kikuchi, Teruo Hirayama 1994-04-12
5296017 Method and apparatus for concentrating chlorine gas Yoshitsugu Kono, Masaaki Ura, Satoshi Tsuruda 1994-03-22
5293084 High speed logic circuit Toshiyuki Usagawa, Atsushi Takai 1994-03-08
5288426 Nonlinear optical materials Takafumi Ishii, Takehiro Toyooka, Tetsuo Satoh 1994-02-22
5283440 Electron beam writing system used in a cell projection method Yasunari Sohda, Hideo Todokoro, Norio Saitou, Haruo Yoda, Hiroyuki Shinada +2 more 1994-02-01
5281865 Flip-flop circuit Hiroki Yamashita, Hirotoshi Tanaka, Atsumi Kawata, Kenji Nagai, Kazuhiro Yoshihara +1 more 1994-01-25
5258438 Flame retardant resin composition based on bromostyrene-containing polymers Masanori Suzuki, Seiichi Atomori, Tateki Furuyama 1993-11-02
5254323 Industrial process for the separation and recovery of chlorine Yoshitsugu Kono, Isao Kikuchi, Shinji Takenaka, Masanobu Ajioka, Mitsuo Kudoh 1993-10-19
5230825 Chiral smectic C liquid crystalline polyester Takafumi Ishii, Takehiro Toyooka 1993-07-27
5217397 Connection construction of high-voltage resistance wire 1993-06-08