Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887255 | Integrated optical head | Masahiro Okuda, Hiroshi Osawa | 1989-12-12 |
| 4815027 | Optical operation apparatus for effecting parallel signal processing by detecting light transmitted through a filter in the form of a matrix | Jun Tokumitsu, Kenji Saito, Nobuyoshi Tanaka, Hidetoshi Nojiri | 1989-03-21 |