Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6945036 | Exhaust emission control filter and method of controlling exhaust emission | Hiromichi Yanagihara, Toshihisa Sugiyama, Yoshimitsu Henda, Kazuhiko Shiratani, Rentaro Kuroki | 2005-09-20 |
| 6829891 | Exhaust emission control device and method of controlling exhaust emission | Hiromichi Yanagihara, Toshihisa Sugiyama, Yoshimitsu Henda, Kazuhiko Shiratani, Rentaro Kuroki | 2004-12-14 |
| 6776815 | Particulate filter | Hiromichi Yanagihara, Kazuhiko Shiratani, Youichi Nagai, Satoru Itsuaki, Kohei Shimoda +1 more | 2004-08-17 |
| 6640767 | Oil pan structure and oil pan separator | Shoji Miyazaki, Shinzaburo Ichiman, Hiroaki Akita, Toshiteru Ando, Tsutomu Okuda | 2003-11-04 |
| 5517959 | Lubricating apparatus for an engine | Touyu Ichimiya, Ryuichi Matsushiro, Toshihiko Igashira, Shigeo Sasao | 1996-05-21 |
| 4909198 | Aluminum alloy valve lifter with sprayed coating and method of producing same | Shigeki Shiraya, Takesi Nakakobara, Hitoshi Ishii, Takashi Tomoda, Kenji Shimoda +2 more | 1990-03-20 |