Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10237524 | Lighting device and projection display apparatus using the same | — | 2019-03-19 |
| 9915858 | Cooling device and projection-type image display apparatus | Manabu CHIKAYAMA, Shigekazu Yamagishi | 2018-03-13 |
| 9388972 | Light source apparatus and projection type display apparatus | — | 2016-07-12 |
| 9122137 | Housing for projection display device and projection display device including housing for projection display device | Shigekazu Yamagishi, Masato Tanaka | 2015-09-01 |
| 8596796 | Projection display device with a cooling air fan | Shigekazu Yamagishi, Yoshimasa Fushimi, Naoko Yamashita | 2013-12-03 |
| 8022348 | Projection type display apparatus having a controlling unit for controlling a rotation rate of the fan of a cooling unit with reference to information regarding lighting state of light sources | Naoko Yamashita, Daisuke YAEO | 2011-09-20 |
| 7213944 | Light source apparatus, lighting apparatus and projection display apparatus | Yusaku Shimaoka, Kazunori Tanabe | 2007-05-08 |
| 6698895 | Projection image display | Atsushi Hatakeyama, Shigekazu Yamagishi | 2004-03-02 |