Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9931822 | Polyester film, use thereof and metal laminated sheet made of said film, and metal can and metal lid made of the sheet | Keizo Kawahara, Katsuya Ito, Hideki Shimizu, Hiroshi Nagano, Mitsuo Inoue +1 more | 2018-04-03 |
| 8314203 | Polyimide film | Masayuki Tsutsumi, Satoshi Maeda, Keizo Kawahara, Takefumi Yoshida, Morio Morino +6 more | 2012-11-20 |
| 7544414 | Oriented syndiotactic polystyrene-base film | Masayuki Tsutsumi, Hisato Kobayashi, Keizo Kawahara, Shigeto Yoshida, Shinsuke Yamaguchi +6 more | 2009-06-09 |
| 5783124 | Cellulose acetate hemodialysis membrane | Tohru Uenishi, Isamu Yamamoto, Hideo Sato, Yasuhiro Shiota, Hidehiko Sakurai +2 more | 1998-07-21 |
| 5624561 | Cellulose acetate hemodialysis membrane | Tohru Uenishi, Isamu Yamamoto, Hideo Sato, Yasuhiro Shiota, Hidehiko Sakurai +2 more | 1997-04-29 |