Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5238995 | Polyvinyl alcohol fiber | Yoshiharu Fukunishi, Toshiaki Sato, Hirofumi Sano, Akio Ohmory | 1993-08-24 |
| 5133916 | Polyvinyl alcohol fiber having excellent resistance to hot water and process for producing the same | Hirofumi Sano, Hiroshi Narukawa | 1992-07-28 |
| 5110678 | Synthetic polyvinyl alcohol fiber and process for its production | Hiroshi Narukawa, Akio Mizobe, Fumio Nakahara, Akira Kubotsu, Masakazu Nishiyama +2 more | 1992-05-05 |
| 4758649 | Heat resistant organic synthetic fibers and process for producing the same | Shoji Asano, Akio Ohmory, Masanori Osawa, Kohei Shizuka, Masahiro Kouno | 1988-07-19 |