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 26–50 of 75 patents

Patent #TitleCo-InventorsDate
6843160 Negative pressure brake booster Yoshiyasu Takasaki, Hidefumi Inoue, Yasushi Mori 2005-01-18
6824421 Connector housing assembly with a fit-on detection member 2004-11-30
6809777 Pixel calculating device Hideshi Nishida, Kosuke Yoshioka, Tokuzo Kiyohara, Makoto Hirai, Kozo Kimura +3 more 2004-10-26
6655140 Fluid pressure boosting device Masahiro Shimada 2003-12-02
6652040 Brake fluid pressure generating device Yoshiyasu Takasaki 2003-11-25
6568768 Brake system Michio Kobayashi, Masahiro Shimada, Hidefumi Inoue, Yoshiyasu Takasaki, Masahiro Ikeda +3 more 2003-05-27
6564553 Braking pressure intensifying master cylinder Michio Kobayashi, Masahiro Shimada, Mamoru Sawada, Kazuya Maki, Hiroaki Niino 2003-05-20
6513416 Brake system Michio Kobayashi, Hidefumi Inoue, Yoshiyasu Takasaki, Isao Kobayashi, Masahiro Shimada +2 more 2003-02-04
6491356 Brake system Osamu Kanazawa, Yoshiyasu Takasaki, Michio Kobayashi, Hiroshi Ohsaki, Masahiro Ikeda +3 more 2002-12-10
6467266 Brake booster Osamu Kanazawa, Yoshiyasu Takasaki, Michio Kobayashi, Hiroshi Osaki, Hidefumi Inoue +3 more 2002-10-22
6467267 Fluid pressure boosting device and brake system employing the same Osamu Kanazawa, Michio Kobayashi, Hiroshi Ohsaki, Yoshiyasu Takasaki, Hiroyuki Yamaga +4 more 2002-10-22
6463737 Master cylinder Hidefumi Inoue 2002-10-15
6415605 Brake system Yoshiyasu Takasaki, Hidefumi Inoue 2002-07-09
6352316 Brake system Yoshiyasu Takasaki, Masahiro Shimada 2002-03-05
6315585 Lever-type electrical connector 2001-11-13
6244049 Brake system Michio Kobayashi, Hidefumi Inoue, Yoshiyasu Takasaki, Isao Kobayashi, Masahiro Shimada +2 more 2001-06-12
6234819 Mechanism for detecting an unlocked state of connectors 2001-05-22
6196641 Fluid pressure boosting device and brake pressure boosting system employing the device Michio Kobayashi, Masahiro Shimada, Satoru Watanabe, Junichi Hirayama, Mamoru Sawada +1 more 2001-03-06
6183049 Brake boosting system Hidefumi Inoue, Yoshiyasu Takasaki, Masahiro Shimada, Mamoru Sawada, Yuzo Imoto 2001-02-06
6161464 Brake booster Isao Kobayashi 2000-12-19
6091945 Authentication method for radio communication system, radio communication system, radio communication terminal and communication managing apparatus 2000-07-18
6027178 Brake system 2000-02-22
6019646 Female terminal fitting Kenji Okamura, Yoshimasa Wada 2000-02-01
5975964 Female terminal fitting Satomi Seko, Masamitsu Chishima, Kenii Okamura, Yoshimasa Wada 1999-11-02
5951336 Terminal fitting Satomi Seko, Masamitsu Chishima, Kenji Okamura, Yoshimasa Wada 1999-09-14