Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6799548 | Bearing case for engine | — | 2004-10-05 |
| 6753587 | Semiconductor photo detecting device and its manufacturing method | Tatsunori Shirai | 2004-06-22 |
| 6691831 | Splashing oil lubrication type internal combustion engine | — | 2004-02-17 |
| 6686217 | Compound semiconductor device manufacturing method | Katsumi Sugiura, Chikashi Anayama | 2004-02-03 |