Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10439231 | Metal separator for fuel cell | Takashi Kono, Masao Igarashi | 2019-10-08 |
| 6780944 | Resin composition | Fukuo Kanno, Masataka Yokota | 2004-08-24 |
| 6121353 | Polymer alloy of an ethylene-tetrafluoroethylene copolymer | Masao Umino, Masataka Yokota | 2000-09-19 |
| 4725472 | Biaxially oriented polyester film | Kazuo Okabe, Masahiko Motegi | 1988-02-16 |
| 4568599 | Laminated film and magnetic recording medium made therewith | Masaaki Ono, Masahiko Motegi, Kazuo Okabe | 1986-02-04 |
| 4550049 | Laminated film and magnetic recording medium made therewith | Masaaki Ono, Masahiko Motegi, Kazuo Okabe | 1985-10-29 |
| 4508782 | Base film for magnetic recording tape with F-5 values of 9-15 Kg/mm.sup.2 | Masahiko Motegi, Kazuo Okabe | 1985-04-02 |
| 4233352 | Polyester film and method of manufacture thereof | Masaaki Ono, Kazuo Okabe | 1980-11-11 |