Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4358474 | Method for electric recording | Shiro Nakano, Shigeki Nakamura, Tosimasa Ikena, Kazuo Tanaka | 1982-11-09 |
| 4308314 | Electric recording material | Shiro Nakano, Shigeki Nakamura, Tosimasa Ikena, Kazuo Tanaka | 1981-12-29 |