Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9136072 | Indicator apparatus | Eiji Yuasa, Tatsuhito Ishii | 2015-09-15 |
| 8657457 | LED surface cover, and LED lighting system, display device | Tatsuhito Ishii, Eiji Yuasa | 2014-02-25 |