Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6114033 | Cement retarder and cement retardative sheet | Toru Ikuta | 2000-09-05 |
| 5932344 | Cement retarder and cement retardative sheet | Toru Ikuta | 1999-08-03 |
| 4835213 | Process for producing lactone polymer and an anti-shrinking thermosetting resin composition having formulated therein said lactone polymer as an anti-shrinking agent | Takaaki Murai, Shoji Watanabe, Kimio Inoue, Tomohisa Isobe, Naoki Nakashima +1 more | 1989-05-30 |
| 4663429 | Process for producing lactone polymer and an anti-shrinking thermosetting resin composition having formulated therein said lactone polymer as an anti-shrinking agent | Takaaki Murai, Shoji Watanabe, Kimio Inoue, Tomohisa Isobe, Naoki Nakashima +1 more | 1987-05-05 |
| 4439599 | Polyurethane having excellent elastic recovery and elastic filament of the same | Shoji Watanabe, Takuya Miho, Naoki Nakashima | 1984-03-27 |
| 4439605 | Process for producing cellulose acetate | Hideo Yabune, Younosuke Kato, Manabu Uchida | 1984-03-27 |
| 4306060 | Process for preparation of cellulose acetate | — | 1981-12-15 |
| 4269972 | Process for producing cellulose diacetate having improved resistance to delustering phenomenon in hot water | Hideo Yabune | 1981-05-26 |