Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7444974 | Internal combustion engine intake device | — | 2008-11-04 |
| 7392778 | Internal combustion engine intake device | Hitoshi Jinno | 2008-07-01 |
| 7131416 | Engine air intake device | Junya Sasaki | 2006-11-07 |
| 6662779 | Support structure of valve shaft for butterfly valve | — | 2003-12-16 |