Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12393110 | Optical member driving device and projection display apparatus including the same | — | 2025-08-19 |
| 11972706 | Image display system and image display method | — | 2024-04-30 |
| 11252384 | Semiconductor light source driving device and projection image display device | — | 2022-02-15 |
| 10873283 | Actuator driving device | — | 2020-12-22 |
| 10756730 | Semiconductor light-emitting device driving apparatus controlling output light from light-emitting device in accordance to PWM modulation signal | — | 2020-08-25 |
| 10211828 | Driving device for insulated gate semiconductor element, and driving system for the same element | — | 2019-02-19 |
| 10205529 | Light source modulation circuit, light source modulation method, and projector apparatus | Akiyoshi Yamaguchi | 2019-02-12 |
| 10168603 | Optical member driving apparatus and projection type image display apparatus | Nobuyuki Kondo, Ken Mashitani | 2019-01-01 |
| 10091477 | Projection image display apparatus | Akiyoshi Yamaguchi, Masutaka Inoue, Takaaki Abe, Ryoji Okubo, Kazuma Tani | 2018-10-02 |
| 10033310 | Drive control device for motor | — | 2018-07-24 |
| 9823466 | Optical path changing device and projection image display apparatus | Takaaki Abe, Masutaka Inoue, Ryoji Okubo, Akiyoshi Yamaguchi, Kazuma Tani | 2017-11-21 |
| 9763290 | Semiconductor light source drive device and projection video display apparatus | — | 2017-09-12 |
| 9703185 | Semiconductor light source driving apparatus and projection video display apparatus | — | 2017-07-11 |
| 9705281 | Semiconductor light source driving apparatus | Shinji Miyoshi | 2017-07-11 |
| 9661704 | Semiconductor light source drive device | Shinji Miyoshi | 2017-05-23 |
| 9603227 | Semiconductor light source driving apparatus | Shinji Miyoshi | 2017-03-21 |
| 9575397 | Optical member driving device and projection image display apparatus | — | 2017-02-21 |
| 9532017 | Light sensitivity controlling apparatus and projection-type display device equipped with same | — | 2016-12-27 |
| 9507246 | Semiconductor light source driving apparatus and a projection type display apparatus | — | 2016-11-29 |
| 9253431 | Projection video display apparatus | Kazuma Tani, Ken Mashitani | 2016-02-02 |
| 8836732 | Image display device | Takayuki Kimoto, Yoshimasa Fushimi | 2014-09-16 |
| 8517541 | Projection image display device with switching luminance controller | Takayuki Kimoto, Hiroshi Kitano | 2013-08-27 |
| 8371701 | Discharge lamp lighting device and projector with polarity inversion control of a discharge lamp | Akira Ueda, Kentaro Kato | 2013-02-12 |
| 7607784 | Light emission method, light emitting apparatus and projection display apparatus | Yusaku Shimaoka, Hiroshi Miyai | 2009-10-27 |
| 7093941 | Video display apparatus and video display method | Masahiro Kawashima, Hitoshi Noda | 2006-08-22 |