Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11243349 | Wavelength conversion device and excitation light switching method | Tomohiro Yamauchi, Takeshi Hoshida, Shingo Hara | 2022-02-08 |
| 9373454 | Key switch and keyboard | Akihiko Takemae, Tamotsu Koike, Takeshi Nishino | 2016-06-21 |
| 7544882 | Waveform generating apparatus and waveform generating program | — | 2009-06-09 |
| 5151613 | Large scale integrated circuit device for switching oscillation circuit | Kazuyuki Horinouchi | 1992-09-29 |
| 4261282 | Mounting for gearshift range indicating system in automotive vehicles | Hakumi Ishii | 1981-04-14 |