Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6296713 | Erasing method | Masaru Sugie, Chiaki Sekioka, Yoshiaki Yanagida, Hisashi Uemura, Masayuki Kubota | 2001-10-02 |
| 6071352 | Erasing method and erasing apparatus for performing that erasing method | Masaru Sugie, Chiaki Sekioka, Yoshiaki Yanagida, Hisashi Uemura, Masayuki Kubota | 2000-06-06 |