Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE48790 | Illuminating apparatus | Shinya Kawagoe, Naotaka Hashimoto, Toshiyasu Kojima, Taku Ikeda | 2021-10-26 |
| RE47293 | Illuminating apparatus | Shinya Kawagoe, Naotaka Hashimoto, Toshiyasu Kojima, Taku Ikeda | 2019-03-12 |
| 8858039 | Illuminating apparatus | Shinya Kawagoe, Naotaka Hashimoto, Toshiyasu Kojima, Taku Ikeda | 2014-10-14 |
| 8727572 | Illuminating apparatus | Shinya Kawagoe, Naotaka Hashimoto, Toshiyasu Kojima, Taku Ikeda | 2014-05-20 |
| 8550636 | High-pressure discharge lamp device and projector using the same | Yoshiki Kitahara, Katsuhiro Ono | 2013-10-08 |
| 8439527 | Bulb-type lamp and lighting device | Kenzi Takahasi, Yasushige Tomiyoshi, Satoshi Shida, Tatsumi Setomoto, Takaari Uemoto +1 more | 2013-05-14 |
| 8287168 | Bulb-shaped lamp | Kenji Takahashi, Nobuyuki Matsui, Tetsushi Tamura, Yasushige Tomiyoshi, Tatsumi Setomoto | 2012-10-16 |
| 8047688 | Bulb-shaped lamp and lighting device | Kenzi Takahasi, Yasushige Tomiyoshi, Satoshi Shida, Tatsumi Setomoto, Takaari Uemoto +1 more | 2011-11-01 |