NI

Naoyuki Ishikawa

Ricoh Company: 3 patents #215 of 1,821Top 15%
Overall (2018): #63,022 of 503,207Top 15%
3
Patents 2018

Issued Patents 2018

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10012893 Image projection apparatus Masamichi Yamada, Tetsuya Fujioka, Yasutada Tsukioka, Hideo Kanai 2018-07-03
9898101 Input device and electronic information board system with a movable object movable in a slant direction 2018-02-20
9886106 Input device, and electronic information board system 2018-02-06