Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879795 | Valve inserting apparatus for an internal combustion engine | Katsumi Nakamura, Kazufumi Tamura, Akifumi Kobayashi | 1989-11-14 |
| 4879796 | Valve inserting apparatus for an internal combustion engine | Katsumi Nakamura, Shigeyuki Koide, Kazufumi Tamura, Akifumi Kobayashi | 1989-11-14 |