Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6497109 | Air conditioner | Toshiharu Nishizuka, Daisuke Tabata | 2002-12-24 |
| 6489439 | Production process of polyphenylene ether | Akira Mitsui | 2002-12-03 |
| 6434957 | Operation control method for air conditioning system and air conditioning system | Toshiharu Nishizuka, Daisuke Tabata, Naoko Oie | 2002-08-20 |