NI

Naoyuki Ishikawa

Ricoh Company: 8 patents #44 of 1,810Top 3%
Overall (2017): #11,014 of 506,227Top 3%
8
Patents 2017

Issued Patents 2017

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
9678416 Light source device provided with cooler and image projection device including light source device provided with cooler Tetsuya Fujioka, Hideo Kanai, Akihisa Mikawa, Masamichi Yamada, Yasunari Mikutsu +2 more 2017-06-13
9671681 Image projection apparatus Masamichi Yamada, Tetsuya Fujioka, Yasutada Tsukioka, Hideo Kanai 2017-06-06
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 Satoshi Tsuchiya, Tetsuya Fujioka, Hideo Kanai, Masamichi Yamada, Yasunari Mikutsu +2 more 2017-04-18
9618833 Image projection apparatus Yukimi NISHI, Satoshi Tsuchiya, Akihisa Mikawa, Hideo Kanai, Tetsuya Fujioka +3 more 2017-04-11
9606426 Duct cover for an image projection apparatus Tetsuya Fujioka, Hideo Kanai, Akihisa Mikawa, Masamichi Yamada, Yasunari Mikutsu +2 more 2017-03-28
9541821 Light source housing, light source device, and image projection apparatus Tetsuya Fujioka, Hideo Kanai, Akihisa Mikawa, Masamichi Yamada, Yasunari Mikutsu +2 more 2017-01-10
9537257 Image projection apparatus and light source unit Tetsuya Fujioka, Hideo Kanai, Akihisa Mikawa, Masamichi Yamada, Yasunari Mikutsu +2 more 2017-01-03