Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4335198 | Process for recording | Hiroshi Hanada, Masanao Kasai, Yoko Oikawa | 1982-06-15 |
| 4214249 | Recording member for laser beam and process for recording | Masanao Kasai, Yoshioki Hajimoto, Takashi Kitamura, Kiyonobu Endo | 1980-07-22 |