Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4942007 | Continuous preparation of shaped long articles of polyimide | Noboru Umemoto | 1990-07-17 |
| 4810419 | Shaped electroconductive aromatic imide polymer article and process for producing | Seiichirou Takabayashi, Morio Nakamura, Tatuaki Maeda | 1989-03-07 |
| 4797307 | Process for the preparation of polyimide film | Seiichiro Takabayashi, Yuji Matsui | 1989-01-10 |
| 4729771 | Abrasive sheet and process for producing the same | Seiichirou Takabayashi | 1988-03-08 |