Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4533621 | Photographic element with imadazole dye mordant | Satoru Ikeuchi, Yoshihiro Inaba, Tatsuhiko Kobayashi | 1985-08-06 |
| 4528004 | Aromatic polyimide composite separating membrane | Hiroshi Makino, Yoshihiro Kusuki, Takashi Harada, Tosio Isida | 1985-07-09 |
| 4512893 | Porous aromatic imide polymer membrane and a process for its manufacture | Hiroshi Makino, Yoshihiro Kusuki, Takashi Harada, Tosio Isida | 1985-04-23 |
| 4486376 | Process for modifying porous polymeric membrane | Hiroshi Makino, Yoshihiro Kusuki, Takashi Harada, Tosio Isida | 1984-12-04 |
| 4485056 | Production of aromatic polyimide separating membranes | Hiroshi Makino, Yoshihiro Kusuki, Takashi Harada, Tosio Isida | 1984-11-27 |
| 4474662 | Process for producing porous aromatic polyimide membranes | Hiroshi Makino, Yoshihiro Kusuki, Takashi Harada, Tosio Isida | 1984-10-02 |
| 4474858 | Aromatic polyimide gas-separating membrane | Hiroshi Makino, Yoshihiro Kusuki, Takashi Harada, Tosio Isida | 1984-10-02 |
| 4460526 | Process for producing aromatic polyimide hollow filaments | Hiroshi Makino, Yoshihiro Kusuki, Takashi Harada | 1984-07-17 |
| 4440643 | Process for producing aromatic polyimide composite separating membrane | Hiroshi Makino, Yoshihiro Kusuki, Takashi Harada, Tosio Isida | 1984-04-03 |
| 4378400 | Gas separating material | Hiroshi Makino, Yoshihiro Kusuki, Takashi Harada | 1983-03-29 |
| 4370290 | Process for producing aromatic polyimide filaments | Hiroshi Makino, Yoshihiro Kusuki, Takashi Harada | 1983-01-25 |
| 4327991 | Transfer paper stripper | Osamu Takeuchi, Satoshi Chiba, Satoru Komiya, Satoshi Komatsu, Kazuo Asada +1 more | 1982-05-04 |