HK

Hideo Kanai

Ricoh Company: 13 patents #10 of 1,810Top 1%
Overall (2017): #4,190 of 506,227Top 1%
13
Patents 2017

Issued Patents 2017

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
9829671 Projection lens unit, optical engine, and image projecting apparatus Satoshi Tsuchiya, Tetsuya Fujioka, Yasunari Mikutsu, Akihisa Mikawa, Takahiro Hiramatsu +3 more 2017-11-28
9787956 Image projection apparatus Yukimi NISHI, Jun Mashimo, Satoshi Tsuchiya, Tetsuya Fujioka, Yasunari Mikutsu +3 more 2017-10-10
9778551 Illumination optical system, optical engine, and image projection apparatus Satoshi Tsuchiya, Tetsuya Fujioka, Yasunari Mikutsu, Akihisa Mikawa, Yukimi NISHI +3 more 2017-10-03
9713282 Cooling apparatus, image projection apparatus, and electronic device Akihisa Mikawa, Tetsuya Fujioka, Masamichi Yamada, Yasunari Mikutsu, Satoshi Tsuchiya +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, Akihisa Mikawa, Masamichi Yamada, Yasunari Mikutsu +2 more 2017-06-13
9671681 Image projection apparatus Masamichi Yamada, Tetsuya Fujioka, Yasutada Tsukioka, Naoyuki Ishikawa 2017-06-06
9645478 Cooling device, image projection apparatus, and electronic apparatus Akihisa Mikawa, Tetsuya Fujioka, Masamichi Yamada, Yasunari Mikutsu, Satoshi Tsuchiya +1 more 2017-05-09
9625797 Projection optical device and image projection apparatus Satoshi Tsuchiya, Tetsuya Fujioka, Masamichi Yamada, Yasunari Mikutsu, Naoyuki Ishikawa +2 more 2017-04-18
9618833 Image projection apparatus Yukimi NISHI, Naoyuki Ishikawa, Satoshi Tsuchiya, Akihisa Mikawa, Tetsuya Fujioka +3 more 2017-04-11
9606426 Duct cover for an image projection apparatus Naoyuki Ishikawa, Tetsuya Fujioka, Akihisa Mikawa, Masamichi Yamada, Yasunari Mikutsu +2 more 2017-03-28
9541821 Light source housing, light source device, and image projection apparatus Naoyuki Ishikawa, Tetsuya Fujioka, Akihisa Mikawa, Masamichi Yamada, Yasunari Mikutsu +2 more 2017-01-10
9541818 Cooling device, cooling structure, image projection device, and electronic device Akihisa Mikawa, Tetsuya Fujioka, Yasunari Mikutsu, Satoshi Tsuchiya, Yukimi NISHI +1 more 2017-01-10
9537257 Image projection apparatus and light source unit Naoyuki Ishikawa, Tetsuya Fujioka, Akihisa Mikawa, Masamichi Yamada, Yasunari Mikutsu +2 more 2017-01-03