Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12015301 | Power supply system, DC/DC converter | — | 2024-06-18 |
| 11493564 | Ground fault detection device | Yoshihiro Kawamura, Ryosuke ARIGAYA | 2022-11-08 |
| 11073571 | Ground fault detection apparatus | Yoshihiro Kawamura, Hisashi Takahashi | 2021-07-27 |
| 9046753 | Projector having plural light source boxes each having associated solid-state light source, photodetector, and drive unit | — | 2015-06-02 |
| 8403499 | Light source lamp cooling apparatus and projection display apparatus including detecting gas pressure to control light source | Yoshifumi Nishimura, Takayuki Okada | 2013-03-26 |
| 8231252 | Lamp unit and projector employing same | Yoshifumi Nishimura | 2012-07-31 |
| 8111469 | Combined gear, lens adjustment mechanism, and electronic device | — | 2012-02-07 |
| 7775689 | Lamp unit and projector employing same | Yoshifumi Nishimura | 2010-08-17 |
| 7540633 | Lamp unit and projection display apparatus | Yoshifumi Nishimura | 2009-06-02 |
| 7195450 | Multiblade fan and electronic apparatus having a multiblade fan | — | 2007-03-27 |
| 6254238 | Cooling system for a video projector | — | 2001-07-03 |