Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10551726 | Lighting apparatus | Katsuyuki Watanabe, Nobuyuki Kaku, Shinji Shibuya | 2020-02-04 |
| D848517 | Projector | Shinji Shibuya, Nobuyuki Kaku, Katsuyuki Watanabe, Tatsuya Ishikawa | 2019-05-14 |
| D844043 | Projector | Shinji Shibuya, Nobuyuki Kaku, Katsuyuki Watanabe, Tatsuya Ishikawa | 2019-03-26 |
| D828864 | Projector | Shinji Shibuya, Nobuyuki Kaku, Katsuyuki Watanabe, Tamaki Iwamiya | 2018-09-18 |
| D827693 | Projector | Shinji Shibuya, Nobuyuki Kaku, Katsuyuki Watanabe, Tamaki Iwamiya | 2018-09-04 |
| 9857669 | Projection type image display device with symmetrically arranged light source and power supply | Koji Hirata, Takafumi Ishizu | 2018-01-02 |