Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4763139 | Optical information storage medium | Masaki Itoh, Akio Morimoto | 1988-08-09 |
| 4504548 | Optical information recording medium for semiconductor laser | Masaki Itoh, Masaru Matsuoka | 1985-03-12 |
| 4390404 | Process for manufacture of thin-film magnetic bubble domain detection device | Hiroshi Gokan | 1983-06-28 |
| 4302822 | Thin-film magnetic bubble domain detection device and process for manufacturing the same | Hiroshi Gokan | 1981-11-24 |