Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4407846 | Method of producing a hydrophilic membrane from a polyethylene base film | Sueo Machi, Isao Ishigaki, Takanobu Sugo, Kazuo Murata, Shiro Tanso | 1983-10-04 |
| 4376794 | Process for production of separators for use in cells | Sueo Machi, Isao Ishigaki, Takanobu Sugo, Kazuo Murata, Shiro Tanso | 1983-03-15 |
| 4287272 | Cell separator and cell | Sueo Machi, Isao Ishigaki, Takanobu Sugo, Toshio Okada, Kazuo Murata +1 more | 1981-09-01 |
| 4283442 | Method of producing a dimensionally stable battery separator | Sueo Machi, Isao Ishigaki, Takanobu Sugo, Kazuo Murata, Shiro Tanso | 1981-08-11 |
| 4273840 | Battery separator and method of producing the same | Sueo Machi, Isao Ishigaki, Takanobu Sugo, Kazuo Murata, Shiro Tanso | 1981-06-16 |