Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4405419 | Method for producing electrolytic manganese dioxide | Masatoshi Misawa, Kinnosuke Okuda, Kiyoshi Matsuura, Hisao Takehara, Keiichiro Ishikawa | 1983-09-20 |
| 4201641 | Radiation grafting process for preparing a membrane for battery separator | Masao Gotoda, Toshio Okada, Kazuo Murata | 1980-05-06 |