YT

Yasutada Tsukioka

Ricoh Company: 49 patents #237 of 9,818Top 3%
Overall (All Time): #56,666 of 4,157,543Top 2%
49
Patents All Time

Issued Patents All Time

Showing 1–25 of 49 patents

Patent #TitleCo-InventorsDate
10012893 Image projection apparatus Masamichi Yamada, Tetsuya Fujioka, Naoyuki Ishikawa, Hideo Kanai 2018-07-03
9671681 Image projection apparatus Masamichi Yamada, Tetsuya Fujioka, Naoyuki Ishikawa, Hideo Kanai 2017-06-06
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
9329464 Image projection apparatus including two ventilation units 2016-05-03
9329463 Image projection apparatus Masamichi Yamada, Tetsuya Fujioka, Naoyuki Ishikawa, Hideo Kanai 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
9091908 Image projection apparatus Masamichi Yamada, Tetsuya Fujioka, Naoyuki Ishikawa, Hideo Kanai 2015-07-28
9086615 Image projection apparatus Naoyuki Ishikawa, Masamichi Yamada, Tetsuya Fujioka, Hideo Kanai 2015-07-21
9075297 Image projection apparatus Masamichi Yamada, Tetsuya Fujioka, Naoyuki Ishikawa, Hideo Kanai 2015-07-07
9052580 Outer housing for an image projection apparatus Tetsuya Fujioka, Naoyuki Ishikawa, Hideo Kanai, Masamichi Yamada 2015-06-09
9033514 Image projection apparatus Tetsuya Fujioka, Masamichi Yamada, Naoyuki Ishikawa, Hideo Kanai 2015-05-19
9016868 Image projection apparatus Hideo Kanai, Tetsuya Fujioka, Masamichi Yamada, Naoyuki Ishikawa 2015-04-28
9010939 Image projection apparatus Tetsuya Fujioka, Masamichi Yamada, Naoyuki Ishikawa, Hideo Kanai 2015-04-21
9010940 Image projection apparatus Tetsuya Fujioka, Masamichi Yamada, Naoyuki Ishikawa, Hideo Kanai 2015-04-21
9004697 Image projection apparatus Tetsuya Fujioka, Masamichi Yamada, Naoyuki Ishikawa, Hideo Kanai 2015-04-14
8998425 Image projection apparatus Tetsuya Fujioka, Masamichi Yamada, Naoyuki Ishikawa, Hideo Kanai 2015-04-07
8985786 Image projection apparatus Tetsuya Fujioka, Masamichi Yamada, Naoyuki Ishikawa, Hideo Kanai 2015-03-24
8918038 Fixing device and image forming apparatus incorporating same 2014-12-23
8882277 Image projection apparatus Tetsuya Fujioka, Masamichi Yamada, Naoyuki Ishikawa, Hideo Kanai 2014-11-11
8693933 Endless belt assembly, fixing device, and image forming apparatus including a belt tracking mechanism 2014-04-08
8600252 System and method for controlling operation of a fixing device in an image forming apparatus 2013-12-03
8565658 Driving apparatus, fixing apparatus, and image forming apparatus 2013-10-22