Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5834087 | Polyolefin-based carpet tile | Yasuhiko Ganno, Junichi Takeda, Shuichi Yonezawa | 1998-11-10 |
| 5552010 | Method for producing tile carpet | Yasuhiko Ganno, Junichi Takeda, Syuichi Yonezawa | 1996-09-03 |
| 4872930 | Method for manufacturing carpet tiles having excellent dimensional stability | Toshio Yoshino | 1989-10-10 |
| 4443575 | Composition for backing carpets | Sakuya Iwai | 1984-04-17 |
| 4437918 | Method of making a carpet tile | Kazuo Morohashi, Sakuya Iwai | 1984-03-20 |
| 4347275 | Carpet tile and method of making same | Sakuya Iwai | 1982-08-31 |