ST

Satoshi Tsuchiya

Ricoh Company: 12 patents #16 of 1,810Top 1%
Overall (2017): #4,610 of 506,227Top 1%
12
Patents 2017

Issued Patents 2017

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
9829671 Projection lens unit, optical engine, and image projecting apparatus Tetsuya Fujioka, Hideo Kanai, Yasunari Mikutsu, Akihisa Mikawa, Takahiro Hiramatsu +3 more 2017-11-28
9787956 Image projection apparatus Yukimi NISHI, Jun Mashimo, Tetsuya Fujioka, Yasunari Mikutsu, Takahiro Hiramatsu +3 more 2017-10-10
9778551 Illumination optical system, optical engine, and image projection apparatus Tetsuya Fujioka, Hideo Kanai, Yasunari Mikutsu, Akihisa Mikawa, Yukimi NISHI +3 more 2017-10-03
9713282 Cooling apparatus, image projection apparatus, and electronic device Akihisa Mikawa, Tetsuya Fujioka, Hideo Kanai, Masamichi Yamada, Yasunari Mikutsu +1 more 2017-07-18
9678416 Light source device provided with cooler and image projection device including light source device provided with cooler Naoyuki Ishikawa, Tetsuya Fujioka, Hideo Kanai, Akihisa Mikawa, Masamichi Yamada +2 more 2017-06-13
9645478 Cooling device, image projection apparatus, and electronic apparatus Akihisa Mikawa, Tetsuya Fujioka, Hideo Kanai, Masamichi Yamada, Yasunari Mikutsu +1 more 2017-05-09
9625797 Projection optical device and image projection apparatus Tetsuya Fujioka, Hideo Kanai, Masamichi Yamada, Yasunari Mikutsu, Naoyuki Ishikawa +2 more 2017-04-18
9618833 Image projection apparatus Yukimi NISHI, Naoyuki Ishikawa, Akihisa Mikawa, Hideo Kanai, Tetsuya Fujioka +3 more 2017-04-11
9606426 Duct cover for an image projection apparatus Naoyuki Ishikawa, Tetsuya Fujioka, Hideo Kanai, Akihisa Mikawa, Masamichi Yamada +2 more 2017-03-28
9541821 Light source housing, light source device, and image projection apparatus Naoyuki Ishikawa, Tetsuya Fujioka, Hideo Kanai, Akihisa Mikawa, Masamichi Yamada +2 more 2017-01-10
9541818 Cooling device, cooling structure, image projection device, and electronic device Akihisa Mikawa, Tetsuya Fujioka, Hideo Kanai, Yasunari Mikutsu, Yukimi NISHI +1 more 2017-01-10
9537257 Image projection apparatus and light source unit Naoyuki Ishikawa, Tetsuya Fujioka, Hideo Kanai, Akihisa Mikawa, Masamichi Yamada +2 more 2017-01-03