Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8055406 | Hands-free system, navigation system, and terminal memory data management method | — | 2011-11-08 |
| 6323779 | Displacement sensing apparatus | Osamu Kouketsu, Masanori Hirose | 2001-11-27 |
| 5437153 | Exhaust purification device of internal combustion engine | Shinichi Takeshima, Toshiaki Tanaka, Satoshi Iguchi, Yasushi Araki, Shinya Hirota +1 more | 1995-08-01 |
| 5423181 | Exhaust gas purification device of an engine | Kenji Katoh, Satoshi Iguchi, Tetsuro Kihara, Masato Gotoh, Shinichi Takeshima +1 more | 1995-06-13 |
| 5406790 | Exhaust gas purification device for an engine | Shinya Hirota, Yasushi Araki, Kiyoshi Kobashi, Tomohiro Oda | 1995-04-18 |
| 5402641 | Exhaust gas purification apparatus for an internal combustion engine | Kenji Katoh, Shinichi Takeshima, Toshiaki Tanaka, Satoshi Iguchi, Masato Goto +2 more | 1995-04-04 |