Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10401004 | Head-mounted type lighting device | — | 2019-09-03 |
| D850681 | Light for medical use | Seitaro Yamazaki, Mariko Koizumi | 2019-06-04 |
| 5894505 | Telephone answering machine | — | 1999-04-13 |
| 5068767 | Automatic focus position adjusting unit for use in shadowless lighting device | — | 1991-11-26 |
| 4639838 | Shadowless lighting equipment for medical use | Yasuhiro Kato | 1987-01-27 |