Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6734276 | Polyimide and circuit substrate comprising the same | Katsuji Watanabe, Takahisa Oguchi | 2004-05-11 |
| 6710160 | Polyamic acid, polyimide, process for producing these, and film of the polyimide | Katsuji Watanabe, Hideaki Oikawa, Hisato Ito | 2004-03-23 |