Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5371359 | Water-proof optical switching device for controlling flash light emission | Hideki Matsui, Hiroshi Sakamoto, Norikazo Yokonuma | 1994-12-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5371359 | Water-proof optical switching device for controlling flash light emission | Hideki Matsui, Hiroshi Sakamoto, Norikazo Yokonuma | 1994-12-06 |