Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6644057 | Separate-type air conditioner | Toshiharu Nishizuka, Daisuke Tabata | 2003-11-11 |
| 6601400 | Separate-type air conditioner | Toshiharu Nishizuka, Daisuke Tabata | 2003-08-05 |
| 6586567 | Production process of polyphenylene ether | Akio Hasebe, Isamu Masumoto, Akira Mitsui | 2003-07-01 |
| 6521735 | Production process of polyphenylene ether | Akira Mitsui | 2003-02-18 |