Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11476396 | Light source circuit unit, illuminator, and display | Koichi Yamamoto, Shigeru Teshigahara | 2022-10-18 |
| 11201268 | Light source circuit unit, illuminator, and display | Koichi Yamamoto, Shigeru Teshigahara | 2021-12-14 |
| 10411172 | Light source circuit unit, illuminator, and display | Koichi Yamamoto, Shigeru Teshigahara | 2019-09-10 |
| 10056532 | Light source circuit unit, illuminator, and display | Koichi Yamamoto, Shigeru Teshigahara | 2018-08-21 |
| 9773957 | Light source circuit unit, illuminator, and display | Koichi Yamamoto, Shigeru Teshigahara | 2017-09-26 |
| 9412919 | Light source circuit unit, illuminator, and display | Koichi Yamamoto, Shigeru Teshigahara | 2016-08-09 |
| 9059382 | Light source circuit unit, illuminator, and display | Koichi Yamamoto, Shigeru Teshigahara | 2015-06-16 |
| 8975648 | Light emitting device and manufacturing method thereof | Yukitoyo Oshima, Tadashi Kato, Yurika Ishihara | 2015-03-10 |
| 8829776 | Light-source circuit unit, illumination device, and display device | Koichi Yamamoto, Shigeru Teshigahara | 2014-09-09 |