Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5260407 | Polyimide film and preparation process of the film | Masumi Saruwatari, Yasuhiko Ohta, Yasuhiro Fujii, Yasuko Honji, Shinobu Moriya | 1993-11-09 |
| 5237044 | Polyimide sheet and preparation process of the sheet | Masumi Saruwatari, Masami Nakano, Shinobu Moriya, Masahiro Ohta, Toshiyuki Nakakura | 1993-08-17 |
| 5233011 | Process for preparing insulated wire | Masumi Saruwatari, Masami Nakano, Shinobu Moriya, Masahiro Ohta, Toshiyuki Nakakura | 1993-08-03 |
| 5037587 | Preparation process of polyimide film | Masumi Saruwatari, Yasuhiko Ohta, Yasuhiro Fujii, Yasuko Honji, Shinobu Moriya | 1991-08-06 |
| 4939030 | Film for retaining freshness of vegetables and fruits | Hazime Musika, Michiyasu Itoh, Junko Hayakawa, Eiji Miyashita | 1990-07-03 |
| 4705812 | Process for producing porous films involving a stretching step and the resultant product | Keiko Ito, Michiyasu Ito, Hisatosi Suzuki | 1987-11-10 |
| 4705813 | Process for producing porous films involving a stretching step and the resultant film | Keiko Ito, Michiyasu Ito, Hisatosi Suzuki, Shoichi Ito | 1987-11-10 |
| 4321233 | Combustion furnace or reactor with multi-stage fluidized bed system | Kiyoshi Aoki, Minoru Asai | 1982-03-23 |