HO

Hiroyuki Oka

SS Sumitomo Wiring Systems: 11 patents #341 of 2,615Top 15%
BC Bosch Braking Systems Co.: 11 patents #2 of 58Top 4%
DE Denso: 9 patents #1,418 of 11,792Top 15%
TO Toyota: 8 patents #3,629 of 26,838Top 15%
Canon: 6 patents #8,497 of 19,416Top 45%
HI Hitachi: 6 patents #6,582 of 28,497Top 25%
NC Nippondenso Co.: 6 patents #366 of 3,479Top 15%
ZK Zama Japan Kabushiki Kaisha: 5 patents #8 of 30Top 30%
JC Jidosha Kiki Co.: 4 patents #52 of 196Top 30%
Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%
KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
KS Kawasaki Steel: 2 patents #570 of 1,922Top 30%
AK Andreas Stihl Ag & Co. Kg: 2 patents #293 of 807Top 40%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Motorola: 2 patents #4,475 of 12,470Top 40%
BS Bosch Automotive Systems: 2 patents #11 of 58Top 20%
KC Koto Electric Co.: 1 patents #4 of 12Top 35%
AC Akebono Brake Industry Co.: 1 patents #169 of 376Top 45%
DC Dainippon Screen Mfg. Co.: 1 patents #531 of 977Top 55%
DK Densei Lambda K.K.: 1 patents #8 of 14Top 60%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
Aisin Seiki Kabushiki Kaisha: 1 patents #2,094 of 3,782Top 60%
NC Nitto Electric Industrial Co.: 1 patents #106 of 298Top 40%
OC Okuno Chemical Industries Co.: 1 patents #25 of 77Top 35%
Sharp Kabushiki Kaisha: 1 patents #6,861 of 10,731Top 65%
SC Stanley Electric Co.: 1 patents #550 of 1,072Top 55%
TC Toyo Ink Mfg. Co.: 1 patents #227 of 499Top 50%
SO Sony: 1 patents #17,262 of 25,231Top 70%
📍 Takizawa, JP: #1 of 13 inventorsTop 8%
Overall (All Time): #25,646 of 4,157,543Top 1%
75
Patents All Time

Issued Patents All Time

Showing 51–75 of 75 patents

Patent #TitleCo-InventorsDate
5921821 Terminal fitting Naoya Kurimoto, Yoshimasa Wada, Kenji Okamura, Masahiro Hiratani 1999-07-13
5908543 Method of electroplating non-conductive materials Takashi Matsunami, Masahiko Ikeda 1999-06-01
5261033 Method of and apparatus for converting line graphic into graphic having curve 1993-11-09
5257166 Configurable electronic circuit board adapter therefor, and designing method of electronic circuit using the same board Tomohiro Marui, Yoshihiro Ishida, Izumi Hayashibara 1993-10-26
5253181 Programmable one-board computer, and methods of verification of logic circuit and alteration to actual circuit using the programmable one-board computer Tomohiro Marui, Yoshihiro Ishida 1993-10-12
5118304 Electrical connector assembly Mitsuhiro Fujitani, Nori Inoue, Hisashi Konoya 1992-06-02
5116148 Heat transfer ink sheet having a precoating layer which is thermally transferred prior to sublimation of an ink dye Shuichi Ohara, Shiniichi Akasaka, Shintaroo Hattori, Rieko Oyama 1992-05-26
4940430 Electrical connector with openable cover Mitsuhiro Fujitani, Seiji Hirano 1990-07-10
4903265 Method and apparatus for post-packaging testing of one-time programmable memories Paul D. Shannon, Paul E. Grimme, Robert W. Sparks 1990-02-20
4812439 Color ink sheet for thermal transfer Shuichi Ohara, Sinichi Akasaka, Shintaroo Hattori 1989-03-14
4809231 Method and apparatus for post-packaging testing of one-time programmable memories Paul D. Shannon, Paul E. Grimme, Robert W. Sparks 1989-02-28
4715667 Hydraulic pressure control device for use in vehicle anti-skid braking system Hiromi Otsuki, Kenichi Numata, Ryoichi Matsuura, Yoshihisa Nomura, Nobuyasu Nakanishi 1987-12-29
4690858 Thermal transfer sheet Shinichi Akasaka, Shuichi Ohara, Shintaroo Hattori, Yasuki Mori, Toshikazu Narahara +1 more 1987-09-01
4685749 Hydraulic pressure control device for use in vehicle anti-skid braking system Hiromi Otsuki, Ryoichi Matsuura, Hiroshi Fujinami, Shinichi Hori, Yoshihisa Nomura 1987-08-11
4640558 Anti-skid brake system Yoshihisa Nomura, Hiromi Otsuki 1987-02-03
4636009 Hydraulic pressure control device for use in vehicle anti-skid braking system Naohiko Tsuru, Ryoichi Matsuura, Hiromi Otsuki, Hiroshi Fujinami, Shinichi Hori +1 more 1987-01-13
4624508 Regulator valve for hydraulic anti-skid apparatus Yoshiharu Adachi, Asao Kozakai, Shingo Watanabe, Nobuyasu Nakanishi, Fumio Nakagawa 1986-11-25
4619879 Composite type photosensitive member having metal-free phthalocyanine in the charge generating layer and nonionic dye base in the charge transport layer Atsushi Kakuta, Shigeo Suzuki, Kotaro Araya, Yasuki Mori, Hirosada Morishita 1986-10-28
4611859 Anti-skid braking apparatus for vehicles Hiromi Otsuki, Ryoichi Matsuura, Shinichi Hori, Hiroshi Fujinami, Yoshihisa Nomura 1986-09-16
4603920 Hydraulic pressure control device for use in vehicle anti-skid braking system Hiromi Otsuki, Ryoichi Matsuura, Hiroshi Fujinami, Shinichi Hori, Yoshihisa Nomura 1986-08-05
4507374 Electrophotographic recording medium containing .tau. and .eta. metal-free phthalocyanine Atsushi Kakuta, Shigeo Suzuki, Kotaro Araya, Yasuki Mori, Hirosada Morishita +3 more 1985-03-26
4473139 Dustcover for a disc brake Hiroshi Uemura 1984-09-25
4352876 Complex type electrophotographic plate and electrophotographic method using the same Shigeo Suzuki, Atsushi Kakuta, Yasuki Mori, Hirosada Morishita 1982-10-05
4319670 Mechanism for preventing dropping of the caliper during work on a pin-slide type disc brake Shingo Watanabe, Yusyo Watanabe, Masayuki Kurata 1982-03-16
4207971 Rust preventing device for a rotor of a disc brake Masakazu Ishikawa, Juichi Shibatani, Yuichiro Obu 1980-06-17