JM

Jun Mashimo

Ricoh Company: 4 patents #178 of 1,810Top 10%
Overall (2017): #44,226 of 506,227Top 9%
4
Patents 2017

Issued Patents 2017

Showing 1–4 of 4 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, Satoshi Tsuchiya, Tetsuya Fujioka, Yasunari Mikutsu, Takahiro Hiramatsu +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
9541818 Cooling device, cooling structure, image projection device, and electronic device Akihisa Mikawa, Tetsuya Fujioka, Hideo Kanai, Yasunari Mikutsu, Satoshi Tsuchiya +1 more 2017-01-10