Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7927168 | Low-pressure discharge lamp and method for manufacturing thereof | Yuji Takeda, Takayoshi Kurita | 2011-04-19 |
| 6914391 | Illuminating device | Yuji Takeda, Hiroki Nakano, Takayoshi Kurita, Tomomasa Hirao | 2005-07-05 |
| 6057635 | Low-pressure mercury vapor-filled discharge lamp, luminaire and display device | Kiyoshi Nishimura, Ariyoshi Ishizaki, Kunio Yuasa, Masuo Shibuya, Naoki Tsutsui +2 more | 2000-05-02 |
| 5505217 | Apparatus for washing and drying discrete parts | Yukihisa Kenpe, Hisashi Tsuge, Yasuo Miyake | 1996-04-09 |
| 5495864 | Apparatus for washing and drying discrete parts | Yukihisa Kenpe, Hisashi Tsuge, Yasuo Miyake | 1996-03-05 |
| 5266866 | Low pressure gas discharge lamp | Hidehiko Noguchi | 1993-11-30 |
| 4963785 | Fluorescent lamp unit | Masahiko Aoyagi | 1990-10-16 |
| 4949007 | Low pressure discharge lamp with flat-plate terminal | Shinichi Tsunekawa, Kenji Ohkubo | 1990-08-14 |
| 4906891 | Low-pressure discharge lamp and electrical base structure | Shinichi Tsunekawa, Kenji Ohkubo | 1990-03-06 |
| 4882520 | Rare gas arc lamp having hot cathode | Shinichi Tsunekawa | 1989-11-21 |
| 4745333 | Auxiliary electrodes in fluorescent lamps for preventing irregular light flickering | Toshiharu Yagi, Masao Kawaziri | 1988-05-17 |