Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6957870 | Braking pressure control apparatus capable of switching between two brake operating states using power-operated and manually operated pressure sources, respectively | Kazunori Kagawa, Kimihiro Matsuki, Tetsuya Miyazaki, Akihiro Otomo, Eiji Nakamura | 2005-10-25 |
| 6450591 | Hydraulic brake pressure control system | Masayasu Ohkubo | 2002-09-17 |
| 6425644 | Braking pressure control apparatus having device for diagnosing manually operated hydraulic system | Tetsuya Miyazaki, Hirohiko Morikawa, Akihiro Otomo | 2002-07-30 |
| 6354672 | Braking system wherein brake cylinder is communicated with pedal-operated pressure source upon failure of pump-operated pressure source | Eiji Nakamura, Akihiro Otomo, Tetsuya Miyazaki, Hiroshi Toda | 2002-03-12 |
| 6164734 | Vehicle hydraulic braking system having reservoir for storing fluid discharged from brake cylinder through pressure control valve device | Akihiro Otomo, Kiyoharu Nakamura, Akira Sakai | 2000-12-26 |
| 6126248 | Hydraulic brake device | Masayasu Ohkubo | 2000-10-03 |
| 6123397 | Brake fluid pressure control device | Akihiro Ohtomo, Akira Sakai, Hirohiko Morikawa, Kiyoharu Nakamura | 2000-09-26 |
| 6007164 | Brake fluid pressure control apparatus for compensating a malfunction of brake operational force sensor | Akira Sakai, Akihiro Ohtomo, Hirohiko Morikawa, Kiyoharu Nakamura | 1999-12-28 |
| 5992949 | Hydraulic brake control apparatus | Kiyoharu Nakamura, Masayasu Ohkubo, Hirohiko Morikawa, Akira Sakai, Akihiro Ohtomo | 1999-11-30 |
| 5984432 | Pressure control apparatus including seating valve controlled by electric current incremented upon valve opening depending upon pressure difference across the valve | Akihiro Otomo, Kiyoharu Nakamura, Akira Sakai, Shinichi Soejima | 1999-11-16 |
| 5979997 | Hydraulic brake control apparatus | Masayasu Ohkubo, Amane Shimura, Hirohiko Morikawa, Akira Sakai, Akihiro Ohtomo | 1999-11-09 |
| 5951120 | Hydraulic brake control apparatus | Amane Shimura, Hirohiko Morikawa, Kiyoharu Nakamura, Akira Sakai, Akihiro Ohtomo | 1999-09-14 |
| 5895100 | Brake apparatus for an electric vehicle to maximize regenerative energy | Masashi Ito, Masayasu Ohkubo, Kiyoharu Nakamura, Akira Sakai, Akihiro Otomo | 1999-04-20 |
| 5882089 | Hydraulic brake system for controlling fluid flow to a wheel cylinder | Kiyoharu Nakamura, Masashi Ito | 1999-03-16 |
| 5727851 | Hydraulic brake apparatus | Masayasu Ohkubo, Masashi Ito, Kiyoharu Nakamura | 1998-03-17 |
| 5711584 | Hydraulic brake apparatus for preventing shortage of brake fluid in a master cylinder due to failure of a high pressure source | — | 1998-01-27 |
| 5658057 | Hydraulic braking apparatus having hydraulic pressure control valve and electrically controlled device to control the pressure control valve | Yutaka Ohnuma, Kenji Shirai, Kiyoharu Nakamura, Mark D. Evans, Hiroaki Yoshida | 1997-08-19 |
| 4625904 | Structure of disc wheel | Hitoshi Matsui | 1986-12-02 |