Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5310827 | Polyamide copolymers | Yukiatsu Komiya, Masao Ishida, Koji Hirai, Shinji Komori, Takuji Okaya | 1994-05-10 |
| 5310852 | Elastic polyurethane fiber | Koji Hirai, Michihiro Ishiguro, Tatuya Oshita, Katsura Maeda, Yukiatsu Komiya | 1994-05-10 |
| 5290905 | Polyurethane, elastic polyurethane fiber and polyesterpolycarbonatediol used for the same | Yukiatsu Komiya, Koji Hirai | 1994-03-01 |
| 5118780 | Polyester urethane fiber: polyester made from methyl pentane diol | Koji Hirai, Yukiatsu Komiya, Katsura Maeda | 1992-06-02 |
| 5093437 | Polyamide copolymers | Yukiatsu Komiya, Masao Ishida, Koji Hirai, Shinji Komori, Takuji Okaya | 1992-03-03 |