Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9012537 | Process for producing polyimide siloxane solution composition, and polyimide siloxane solution composition | Susumu Takasaki, Hiroo Yamashita, Seiichirou Takabayashi, Tomoko Hayashida, Takafumi Hirakawa | 2015-04-21 |
| 6608235 | Method of reducing epoxidized organic compound with hydrogen | Nobuyuki Kuroda, Tokuo Matsuzaki, Takato Nakamura, Osamu Yamazaki, Hirofumi Takemoto | 2003-08-19 |
| 6420575 | Refining treatment method of liquid reaction mixture obtained from epoxidation reaction of 1,5,9-cyclododecatriene | Kouhei Ninomiya, Tsunemi Sugimoto, Junichi Kugimoto, Kohji Kaiso | 2002-07-16 |
| 6172243 | Process for producing epoxycyclododecadiene | Nobuyuki Kuroda, Hirofumi Takemoto, Kohei Ninomiya, Junichi Kugimoto | 2001-01-09 |
| 6043383 | Process for producing 1,2-epoxy-5,9-cyclododecadiene | Nobuyuki Kuroda, Osamu Yamazaki, Hirofumi Takemoto, Kohei Ninomiya, Junichi Kugimoto +2 more | 2000-03-28 |
| 5728890 | Process for producing a cycloalkanol and cycloalkanone | Toshikazu Hamamoto, Takato Nakamura, Tetsuro Shimano | 1998-03-17 |
| 4992332 | Porous hollow fiber | Eiichi Kamei, Yasushi Shimomura | 1991-02-12 |
| 4663372 | Novel triazine addition compounds | Hidemasa Okamoto, Kazuyoshi Fujii | 1987-05-05 |
| 4654265 | Porous hollow fiber | Eiichi Kamei, Yasushi Shimomura | 1987-03-31 |
| 4574154 | Triazine addition compounds | Hidemasa Okamoto, Kazuyoshi Fujii | 1986-03-04 |
| 4452931 | Flame-retardant polyamide resin composition | Hidemasa Okamoto, Mokoto Takahashi | 1984-06-05 |