Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5239042 | Amorphous polymers and process for the production thereof | Tsuneaki Tanabe | 1993-08-24 |
| 5225526 | Stabilized aromatic polycarbonate composition and process for producing same | Haruyuki Yoneda, Hiroshi Hachiya | 1993-07-06 |
| 5214073 | Porous, crystallized, aromatic polycarbonate prepolymer, a porous, crystallized aromatic polycarbonate, and production methods | Shinsuke Fukuoka, Kyosuke Komiya, Yoro Sasaki | 1993-05-25 |
| 5204377 | Porous, crystallized, aromatic polycarbonate prepolymer, a porous, crystallized aromatic polycarbonate, and production methods | Shinsuke Fukuoka, Kyosuke Komiya, Yoro Sasaki | 1993-04-20 |
| 4931530 | Novel aromatic polyether and a process for producing an ether | Tsuneaki Tanabe | 1990-06-05 |
| 4804735 | Crystalline aromatic polyketone copolymer produced from 4-mercaptophenol, dihaloterephtalophenone, and hydroquinone or dihydroxybenzophenone | Haruyuki Yoneda | 1989-02-14 |
| 4772679 | Crystalline aromatic polyketone and process for producing the same | Haruyuki Yoneda, Hisaya Sakurai | 1988-09-20 |
| 4757126 | Process for preparing crystalline aromatic polyetherketone | Tsuneaki Tanabe | 1988-07-12 |
| 4525546 | Process for producing polyethylene and an ethylene-.alpha.-olefin copolymer | Kazutoshi Sato | 1985-06-25 |
| 4465812 | Linear medium- or low-density polyethylene composition | Kisoo Moriguchi | 1984-08-14 |
| 4423190 | Block copolymer mixture of conjugated diene and vinyl aromatic hydrocarbon | Kunio Satake, Tsuyoshi Yamada, Kiyoshi Hayakawa, Yasushi Sato | 1983-12-27 |
| 4208356 | Process for producing mixture of block copolymers | Kunio Satake, Tsuyoshi Yamada, Kiyoshi Hayakawa, Yasushi Sato | 1980-06-17 |