Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6341588 | Valve spring retainer and a valve operating mechanism | Haruki Kobayashi, Makoto Abe | 2002-01-29 |
| 6338325 | Valve operating mechanism of an internal combustion engine | Haruki Kobayashi, Tatsuo Kanzaki, Makoto Abe | 2002-01-15 |