YT

Yasutada Tsukioka

Ricoh Company: 7 patents #89 of 2,036Top 5%
Overall (2016): #12,099 of 481,213Top 3%
7
Patents 2016

Issued Patents 2016

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
9429828 Image projection apparatus Tetsuya Fujioka, Masamichi Yamada, Naoyuki Ishikawa, Hideo Kanai 2016-08-30
9348201 Image projection apparatus Naoyuki Ishikawa, Masamichi Yamada, Tetsuya Fujioka, Hideo Kanai 2016-05-24
9329463 Image projection apparatus Masamichi Yamada, Tetsuya Fujioka, Naoyuki Ishikawa, Hideo Kanai 2016-05-03
9329464 Image projection apparatus including two ventilation units 2016-05-03
9304381 Image projection apparatus Tetsuya Fujioka, Masamichi Yamada, Naoyuki Ishikawa, Hideo Kanai 2016-04-05
9291883 Image projection apparatus Masamichi Yamada, Tetsuya Fujioka, Naoyuki Ishikawa, Hideo Kanai 2016-03-22
9274409 Image projection apparatus Tetsuya Fujioka, Masamichi Yamada, Naoyuki Ishikawa, Hideo Kanai 2016-03-01