Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11011329 | Reaction force generating member for a key switch device | Shuji Nakamura, Akihiko Takemae, Tamotsu Koike | 2021-05-18 |
| 10410806 | Reaction force generating member for a key switch device | Shuji Nakamura, Akihiko Takemae, Tamotsu Koike | 2019-09-10 |
| 9870881 | Keyboard device | — | 2018-01-16 |
| 9741507 | Key switch device and keyboard | Shuji Nakamura, Akihiko Takemae, Tamotsu Koike | 2017-08-22 |
| 9437378 | Keyswitch device | — | 2016-09-06 |
| 9373454 | Key switch and keyboard | Akihiko Takemae, Tamotsu Koike, Hiroki Satou | 2016-06-21 |
| 9214294 | Key switch device, and method of manufacturing key switch device | Junichi Maruyama, Tamotsu Koike | 2015-12-15 |
| 9035806 | Keyboard | — | 2015-05-19 |
| 8779308 | Key switch device and keyboard | Akihiko Takemae, Norio Endo, Shuji Nakamura, Tamotsu Koike | 2014-07-15 |
| 8759705 | Push button-type switch device | Katsuya Funakoshi, Shuji Nakamura, Junichi Maruyama, Tamotsu Koike | 2014-06-24 |
| 8624140 | Key switch and keyboard | Junichi Maruyama, Shuji Nakamura | 2014-01-07 |
| 8399789 | Keyboard | Shuji Nakamua | 2013-03-19 |
| 8319129 | Keyboard having backlight function | — | 2012-11-27 |
| 8299382 | Key switch and keyboard | Akihiko Takemae, Shuji Nakamura, Tamotsu Koike | 2012-10-30 |
| 8207465 | Key switch unit | Junichi Maruyama, Tamotsu Koike | 2012-06-26 |
| 8101879 | Key switch and keyboard having the same | — | 2012-01-24 |
| 7672692 | Pointing device having improved operability, its control method and mobile telephone | Shuji Nakamura | 2010-03-02 |
| 7633488 | Pointing device | Shuji Nakamura, Koichi Kiryu, Kazuo Kobayashi | 2009-12-15 |
| 7595712 | Pointing device | Shuji Nakamura, Koichi Kiryu, Kazuo Kobayashi | 2009-09-29 |
| 7502013 | Pointing device | Shuji Nakamura, Koichi Kiryu, Kazuo Kobayashi | 2009-03-10 |
| 7502014 | Pointing device | Shuji Nakamura, Koichi Kiryu, Kazuo Kobayashi | 2009-03-10 |
| 7489296 | Pointing device | Shuji Nakamura, Koichi Kiryu, Kazuo Kobayashi | 2009-02-10 |
| 7460792 | Receiving circuit and electronic apparatus for optical communication | Naruichi Yokogawa | 2008-12-02 |
| 7437084 | Infrared radiation receiving circuit, electronic device, and infrared radiation receiving method | Naruichi Yokogawa, Hiroaki Itoh, Ryosuke Kawashima | 2008-10-14 |
| 7359649 | Infrared transmitter circuit and electronic device | Hiroaki Itoh, Naruichi Yokogawa, Ryosuke Kawashima | 2008-04-15 |