Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6913326 | Apparatus for increasing brake cylinder pressure by controlling pump motor and reducing the pressure by controlling electric energy applied to control valve | Masayasu Ohkubo, Kiyoharu Nakamura, Akira Sakai, Shinichi Soejima | 2005-07-05 |
| 5979997 | Hydraulic brake control apparatus | Masayasu Ohkubo, Fumiaki Kawahata, Hirohiko Morikawa, Akira Sakai, Akihiro Ohtomo | 1999-11-09 |
| 5951120 | Hydraulic brake control apparatus | Hirohiko Morikawa, Fumiaki Kawahata, Kiyoharu Nakamura, Akira Sakai, Akihiro Ohtomo | 1999-09-14 |