Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7541748 | Discharge lamp lighting device | Fumio Haruna, Masaru Shimizu, Kouji Kitou | 2009-06-02 |
| 7276864 | Discharge lamp lighting device and projection type image display apparatus having the same | Fumio Haruna, Masaru Shimizu, Kouji Kitou | 2007-10-02 |
| 7202612 | Discharge lamp lighting apparatus | Fumio Haruna, Masaru Shimizu, Kouji Kitou | 2007-04-10 |
| 7023146 | Discharge lamp lighting apparatus | Fumio Haruna, Masaru Shimizu, Kouji Kitou | 2006-04-04 |
| 6995523 | Discharge lamp lighting device | Fumio Haruna, Masaru Shimizu, Kouji Kitou | 2006-02-07 |
| 5610449 | Electric power unit | Tadashi Takahashi, Akihiko Kanouda, Kazuhiro Takizawa, Masami Joraku | 1997-03-11 |