Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6166117 | Water-soluble film | — | 2000-12-26 |
| 5792809 | Polyvinyl alcohol shaped article | Masahiro Nagao, Masato Nakamae, Takeshi Kusudou | 1998-08-11 |
| 5478792 | Heat-sensitive recording material | Eriko Seno, Tetsuya Katayama | 1995-12-26 |
| 5420180 | Sized yarn and process therefor | Tetsuya Katayama, Hitoshi Maruyama, Koji Onishi | 1995-05-30 |
| 5387638 | Emulsion composition | Masato Nakamae, Ken Yuki, Hitoshi Maruyama | 1995-02-07 |
| 5110678 | Synthetic polyvinyl alcohol fiber and process for its production | Hiroshi Narukawa, Akio Mizobe, Fumio Nakahara, Akira Kubotsu, Akitsugu Akiyama +2 more | 1992-05-05 |
| 5102950 | Water soluble film | Kazutoshi Terada, Hitoshi Maruyama | 1992-04-07 |
| 4603077 | Water-absorbing laminate and production process thereof | Yoshimasa Fujimoto | 1986-07-29 |
| 4418163 | Water absorbing composite comprising inorganic powder encapsulated with a crosslinked carboxyl polymer | Tetsuo Murakami, Hiroshi Harima | 1983-11-29 |
| 4389513 | Highly absorbent resin | — | 1983-06-21 |