Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831146 | Resin composition for use in manufacturing wet friction materials and wet friction material | Hiroshi Aiba | 2004-12-14 |
| 6770986 | Power converter, power generating apparatus and plug | Yoshitaka Nagao, Yuji Inoue | 2004-08-03 |
| 6690465 | Method and apparatus for measuring spectral irradiance distribution | Masayoshi Shimizu, Shoji Suzuki | 2004-02-10 |