Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9598000 | Vehicle lamp system | Masayasu Ito, Yuta Maruyama | 2017-03-21 |
| 9550448 | Light distribution control method and light distribution control device for a vehicular headlamp | Hidetada Tanaka, Takeshi Masuda, Motohiro Komatsu | 2017-01-24 |
| 9386646 | Vehicle lamp and vehicle lamp driving device | Masayasu Ito, Syouhei Yanagidu | 2016-07-05 |
| 9320107 | Vehicular lamp | Toda Takeshi, Tsuchiya Toshiyuki, Masayasu Ito | 2016-04-19 |
| 9265109 | Light source control device | Masayasu Ito, Kazuki Saito | 2016-02-16 |
| 9198247 | Vehicle lamp, driving device thereof, and control method thereof | Masayasu Ito, Syouhei Yanagizu | 2015-11-24 |
| 8994287 | Light source control device | Masayasu Ito | 2015-03-31 |
| 8710769 | Discharge lamp lighting circuit | Masayasu Ito | 2014-04-29 |
| 8120264 | Discharge lamp lighting circuit | Tomoyuki Ichikawa, Shinji Ohta | 2012-02-21 |
| 7777429 | Discharge lamp lighting circuit | Tomoyuki Ichikawa | 2010-08-17 |
| 7656102 | Discharge lamp lighting circuit | Tomoyuki Ichikawa | 2010-02-02 |
| 7564200 | Discharge lamp lighting circuit with frequency control in accordance with phase difference | Tomoyuki Ichikawa | 2009-07-21 |
| 7564199 | Discharge lamp lighting circuit | Tomoyuki Ichikawa | 2009-07-21 |
| 7378802 | Discharge lamp lighting circuit | Tomoyuki Ichikawa | 2008-05-27 |
| 7348733 | Discharge lamp lighting circuit and method | Masayasu Ito | 2008-03-25 |
| 7291990 | Discharge lamp lighting circuit | Tomoyuki Ichikawa | 2007-11-06 |
| 7218065 | Discharge lamp lighting circuit | — | 2007-05-15 |
| 7180249 | Switching element driving circuit and discharge lamp lighting apparatus | Toshiyuki Tsuchiya, Masayasu Ito | 2007-02-20 |
| 7084580 | Discharge lamp lighting circuit | Masayasu Ito | 2006-08-01 |
| 7075246 | Discharge lamp illumination circuit | Masayasu Ito | 2006-07-11 |
| 7019465 | Discharge lamp illumination circuit and discharge lamp illumination method | Masayasu Ito | 2006-03-28 |
| 4734740 | Image formation method and apparatus | Motoharu Fujii, Noboru Koumura, Susumu Sugiura, Nobuhiro Takekawa, Syusei Tsukada | 1988-03-29 |
| 4237213 | Image forming method | Ichiro Endo, Hajime Kobayashi, Yasuhiro Yano | 1980-12-02 |