Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6623681 | Polyester fiber and process for preparing the same | Ryuji Ota, Satoru Shimoyama, Masumi Fujimoto | 2003-09-23 |
| 6248418 | Polyester product and process for producing the same | Miyoshi Okamoto, Yukihiro Maeda | 2001-06-19 |
| 5200261 | Foam material reinforced with composite fibers | Miyoshi Okamoto | 1993-04-06 |
| 4741075 | Composite sheet and method of producing same | Hiroki Fukunaga, Mineto Fushida | 1988-05-03 |