Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4923629 | Method and flocculant for water treatment | Takuya Onitsuka, Minoru Suzuki, Yasuhiro Ehara, Katsuhiro Hashimoto, Tadamasa Ozaki | 1990-05-08 |
| 4818340 | Envelope type separator for storage battery and manufacturing process therefor | Hideo Endo | 1989-04-04 |
| 4451311 | Method for manufacturing a dampening roll cover | Tadashi Miyazaki | 1984-05-29 |
| 4369238 | Storage battery separator | Wataru Takahashi | 1983-01-18 |
| 4367271 | Storage battery separator | Wataru Takahashi | 1983-01-04 |
| 4356046 | Method for the manufacture of a battery separator using tubing | Hiroaki Yamazaki | 1982-10-26 |