Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5912193 | Thermoplastic polyurethanes and molded articles comprising them | Shizuo Iwata, Shinya Katoh, Kimio Nakayama, Tetsuya Ashida, Hisao Yoneda +1 more | 1999-06-15 |
| 5780573 | Thermoplastic polyurethanes and molded articles comprising them | Shizuo Iwata, Shinya Katoh, Kimio Nakayama, Tetsuya Ashida, Hisao Yoneda +1 more | 1998-07-14 |
| 5688890 | Thermoplastic polyurethane composition | Tatuya Oshita, Hiroyuki Ono, Kimio Nakayama, Koji Hirai | 1997-11-18 |
| 5606005 | Polyurethane and molded article comprising the same | Tatuya Oshita, Kimio Nakayama, Koji Hirai, Shigeaki Suzuki, Noriaki Yoshimura | 1997-02-25 |
| 5310852 | Elastic polyurethane fiber | Koji Hirai, Tatuya Oshita, Setuo Yamashita, Katsura Maeda, Yukiatsu Komiya | 1994-05-10 |
| 5070172 | Process for producing polyurethane | Koji Hirai, Shunro Taniguchi, Yoshifumi Murata, Shinichi Yokota, Masao Ishii +2 more | 1991-12-03 |
| 4639471 | Process for producing polyester polyurethane | Koji Hirai, Shunro Taniguchi, Yoshifumi Murata, Shinichi Yokota, Masao Ishii +2 more | 1987-01-27 |
| 4436939 | Process for producing 1-(p-prenylphenyl)ethanol | Takehiro Amano, Kensei Yoshikawa, Tatsuhiko Sano, Yutaka Ohuchi, Manzo Shiono +2 more | 1984-03-13 |
| 4433160 | Process for producing .alpha.-arylalkanoic acid ester | Takehiro Amano, Kensei Yoshikawa, Tatsuhiko Sano, Yutaka Ohuchi, Manzo Shiono +2 more | 1984-02-21 |
| 4336202 | 1,3-Cyclohexanedione derivatives | Sigeru Torii, Kenji Uneyama, Takashi Onishi, Yoshiji Fujita, Takashi Nishida | 1982-06-22 |
| 4215230 | Production of ionones and irones by thermal rearrangement of propargylic alcohols | Takashi Ohnishi, Yoshiji Fujita, Takashi Nishida | 1980-07-29 |