Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9033538 | Illumination appliance | — | 2015-05-19 |
| 7372123 | Semiconductor light-receiving module capable of converting light into current efficiently at light absorbing layer | Kenji Kawano, Hiroaki Yoshidaya, Eiji Kawazura, Satoshi Matsumoto | 2008-05-13 |
| 7317236 | Semiconductor light-receiving module capable of converting light into current efficiently at light absorbing layer | Kenji Kawano, Hiroaki Yoshidaya, Yuichi Sasaki | 2008-01-08 |
| 7092074 | Paper feeding apparatus and image forming apparatus including the same | Ryoichi Kawai, Hideaki Kobayashi | 2006-08-15 |
| 7071524 | Semiconductor light receiving device for repeatedly propagating incident light in light absorption layer and method for manufacturing the same | Kenji Kawano, Hiroaki Yoshidaya, Yuichi Sasaki | 2006-07-04 |
| 6936868 | Sequential mesa avalanche photodiode capable of realizing high sensitization and method of manufacturing the same | Kazuo Mizuno, Yuichi Sasaki | 2005-08-30 |
| 6909160 | Semiconductor light-receiving module capable of converting light into current efficiently at light absorbing layer | Kenji Kawano, Hiroaki Yoshidaya, Yuichi Sasaki, Eiji Kawazura, Satoshi Matsumoto | 2005-06-21 |
| 6835902 | Peripheral and central key apparatus | — | 2004-12-28 |
| 6791124 | Sequential mesa avalanche photodiode capable of realizing high sensitization and method of manufacturing the same | Kazuo Mizuno, Yuichi Sasaki | 2004-09-14 |
| 6756609 | Semiconductor light receiving element provided with acceleration spacer layers between plurality of light absorbing layers and method for fabricating the same | Kenji Kawano, Hiroaki Yoshidaya, Yuichi Sasaki | 2004-06-29 |
| 6634589 | Ink film holding device and film reel | Takashi Suda | 2003-10-21 |
| 5775811 | Temperature sensor system using a micro-crystalline semiconductor thin film | Setsuo Kodato | 1998-07-07 |
| 5717495 | Construction for holding recording paper roll | Katsuyuki Sakai | 1998-02-10 |
| 5251980 | Sensing system for measuring specific value of substance to be measured by utilizing change in thermal resistance | Setsuo Kodato, Yoshinobu Naitoh | 1993-10-12 |