Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7273508 | Iron-based sintered alloy material for valve seat | Kenichi Sato, Arata Kakiuchi, Teruo Takahashi, Tomoki Okita | 2007-09-25 |
| 6443136 | Breather apparatus for an internal combustion engine | Tomoji Suganami, Yukio Konishi | 2002-09-03 |