Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8665425 | Eccentricity measuring method | Kazuyuki Ogura, Youichi Ogawa, Kyu Takada | 2014-03-04 |
| 8134893 | Optical recording head and optical recording apparatus | Kenji Konno, Hiroaki Ueda, Manami Kuiseko, Naoki Nishida, Koujirou Sekine +1 more | 2012-03-13 |
| 7755978 | Recording head and recorder | Naoki Nishida, Hiroaki Ueda, Manami Kuiseko, Koujirou Sekine, Kenji Konno +1 more | 2010-07-13 |
| 7612323 | Optical element for condensing incident light | Kazuyuki Ogura, Kenji Konno, Hiroshi Hatano | 2009-11-03 |