Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4393126 | Method for manufacturing in-line hologram lens | Kayoko Hasegawa, Kosuke Miyahara | 1983-07-12 |
| 4312559 | Method of producing an inline hologram lens | Hiroshi Ohki, Kayoko Hasegawa | 1982-01-26 |
| 4253723 | Apparatus for optically reading information from a record carrier | Takashi Otobe, Hiroshi Ohki | 1981-03-03 |