TH

Takahiro Hiramatsu

Ricoh Company: 3 patents #261 of 1,810Top 15%
Overall (2017): #58,017 of 506,227Top 15%
3
Patents 2017

Issued Patents 2017

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9829671 Projection lens unit, optical engine, and image projecting apparatus Satoshi Tsuchiya, Tetsuya Fujioka, Hideo Kanai, Yasunari Mikutsu, Akihisa Mikawa +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, Hideo Kanai, Yasunari Mikutsu, Akihisa Mikawa +3 more 2017-10-03