Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8220425 | Valve operation control system for internal combustion engine | Tomonori Niizato, Masataka Ikawa | 2012-07-17 |
| 7431053 | Inner-space-sectioned tubes and method for manufacturing the same | Mitsuhiro Suzuki, Toru Nishikado, Kazutoshi MATSUO | 2008-10-07 |
| 5592907 | Valve operating system for multi-cylinder internal combustion engine | Tetsuya Hasebe | 1997-01-14 |
| 5537962 | Valve operating apparatus for internal combustion engine | Masami Fukuzawa | 1996-07-23 |
| 5537963 | Valve operating system for multi-cylinder internal combustion engine | Tetsuya Hasebe | 1996-07-23 |
| 5195474 | Oil supply system in internal conbustion engine | Yasuhiro Urata, Shigeru Suzuki | 1993-03-23 |
| 4807574 | Valve operating device for internal combustion engine | Mitsuhiro Shibata, Koichi Fukuo, Toshiaki Hiro, Masahiko Matsumoto | 1989-02-28 |