Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6183577 | Method and apparatus for manufacturing an optical information medium | Toshikazu Kozono, Manabu Nakanishi, Kiyoshi Inoue | 2001-02-06 |
| 4910988 | Method for rolling metal sheets | Mitsuhiro Ikeda, Kiyoshi Muramatsu, Yuichi Hongo | 1990-03-27 |