Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5133916 | Polyvinyl alcohol fiber having excellent resistance to hot water and process for producing the same | Hirofumi Sano, Akitsugu Akiyama | 1992-07-28 |
| 5110678 | Synthetic polyvinyl alcohol fiber and process for its production | Akio Mizobe, Fumio Nakahara, Akira Kubotsu, Akitsugu Akiyama, Masakazu Nishiyama +2 more | 1992-05-05 |
| 4604441 | Polypropylene sheet | Ryuhei Ueeda, Kiyonobu Fujii | 1986-08-05 |
| 4555439 | Tough thermoplastic resin sheet-like material | Ryuhei Ueeda, Kiyonobu Fujii | 1985-11-26 |
| 4504531 | Polyester, adhesives comprising the same, and laminates and laminated hollow vessels made thereof | Yoshifumi Murata, Keishiro Igi, Masao Uetsuki, Satoshi Bando, Shuji Kawai +1 more | 1985-03-12 |
| 4496714 | Polyester, adhesives comprising the same, and laminates and laminated hollow vessels made thereof | Yoshifumi Murata, Keishiro Igi, Masao Uetsuki, Satoshi Bando, Shuji Kawai +1 more | 1985-01-29 |
| 4433020 | Sheet-like material, heat-insulating material derived therefrom and methods of manufacturing same | Rentaro Tada, Yasuhira Takeuchi, Osamu Ohara | 1984-02-21 |