Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6029444 | Three-way valve and exhaust gas purifier using the same | Hajime Nakamura, Hidetoshi Saito, Satoru Itsuaki, Shiro Nakajima | 2000-02-29 |
| 5908047 | Three-way valve and exhaust gas purifier using the same | Hajime Nakamura, Hidetoshi Saito, Satoru Itsuaki, Shiro Nakajima | 1999-06-01 |