MY

Masamichi Yamada

Ricoh Company: 67 patents #96 of 9,818Top 1%
HI Hitachi: 46 patents #351 of 28,497Top 2%
HC Hitachi Car Engineering Co.: 22 patents #15 of 465Top 4%
HS Hitachi Automotive Systems: 3 patents #507 of 1,636Top 35%
SE Seikagaku: 3 patents #48 of 253Top 20%
JC Jcr Pharmaceuticals Co.: 2 patents #36 of 149Top 25%
SU Saint Louis University: 2 patents #47 of 208Top 25%
KU Kanazawa University: 2 patents #5 of 56Top 9%
SC Sumitomo Precision Products Co.: 1 patents #87 of 199Top 45%
MC Mitsui Mining & Smelting Co.: 1 patents #444 of 838Top 55%
Ngk Spark Plug Co.: 1 patents #959 of 1,594Top 65%
RI Railway Technical Research Institute: 1 patents #70 of 233Top 35%
Overall (All Time): #9,268 of 4,157,543Top 1%
124
Patents All Time

Issued Patents All Time

Showing 26–50 of 124 patents

Patent #TitleCo-InventorsDate
9417510 Image projection device and method of controlling image projection device Hideo Kanai, Tetsuya Fujioka, Satoshi Tsuchiya, Naoyuki Ishikawa, Akihisa Mikawa +1 more 2016-08-16
9411216 Projector with intake ducts provided in a case thereof Tetsuya Fujioka, Naoyuki Ishikawa, Akihisa Mikawa, Hideo Kanai, Yasunari Mikutsu +1 more 2016-08-09
9390871 Switch mechanism and electronic device Naoyuki Ishikawa, Tetsuya Fujioka, Hideo Kanai, Akihisa Mikawa, Yasunari Mikutsu +1 more 2016-07-12
9348201 Image projection apparatus Naoyuki Ishikawa, Tetsuya Fujioka, Yasutada Tsukioka, Hideo Kanai 2016-05-24
9329463 Image projection apparatus Tetsuya Fujioka, Yasutada Tsukioka, Naoyuki Ishikawa, Hideo Kanai 2016-05-03
9304381 Image projection apparatus Tetsuya Fujioka, Yasutada Tsukioka, Naoyuki Ishikawa, Hideo Kanai 2016-04-05
9291883 Image projection apparatus Tetsuya Fujioka, Yasutada Tsukioka, Naoyuki Ishikawa, Hideo Kanai 2016-03-22
9274409 Image projection apparatus Tetsuya Fujioka, Yasutada Tsukioka, Naoyuki Ishikawa, Hideo Kanai 2016-03-01
9244247 Auto-focus device, projection lens device, and image projection apparatus Satoshi Tsuchiya, Yasunari Mikutsu, Hideo Namba, Hideo Kanai, Naoyuki Ishikawa +1 more 2016-01-26
9229040 Disconnection detection circuit for bridge circuit and system including disconnection detecting means Masahiro Matsumoto, Hiroshi Nakano, Keiji Hanzawa 2016-01-05
9128359 Electronic device and image projection apparatus Hideo Namba, Satoshi Tsuchiya, Yasunari Mikutsu, Hideo Kanai, Naoyuki Ishikawa +1 more 2015-09-08
9110360 Image projection apparatus Yasunari Mikutsu, Hideo Namba, Satoshi Tsuchiya, Naoyuki Ishikawa, Hideo Kanai +1 more 2015-08-18
9104093 Illumination optical system and image projection device Tetsuya Fujioka, Yasunari Mikutsu, Hideo Kanai, Satoshi Tsuchiya, Naoyuki Ishikawa +1 more 2015-08-11
9091908 Image projection apparatus Tetsuya Fujioka, Yasutada Tsukioka, Naoyuki Ishikawa, Hideo Kanai 2015-07-28
9086615 Image projection apparatus Naoyuki Ishikawa, Tetsuya Fujioka, Yasutada Tsukioka, Hideo Kanai 2015-07-21
9075297 Image projection apparatus Tetsuya Fujioka, Yasutada Tsukioka, Naoyuki Ishikawa, Hideo Kanai 2015-07-07
9052580 Outer housing for an image projection apparatus Tetsuya Fujioka, Yasutada Tsukioka, Naoyuki Ishikawa, Hideo Kanai 2015-06-09
9033514 Image projection apparatus Yasutada Tsukioka, Tetsuya Fujioka, Naoyuki Ishikawa, Hideo Kanai 2015-05-19
9016868 Image projection apparatus Hideo Kanai, Tetsuya Fujioka, Yasutada Tsukioka, Naoyuki Ishikawa 2015-04-28
9010940 Image projection apparatus Tetsuya Fujioka, Yasutada Tsukioka, Naoyuki Ishikawa, Hideo Kanai 2015-04-21
9010939 Image projection apparatus Tetsuya Fujioka, Yasutada Tsukioka, Naoyuki Ishikawa, Hideo Kanai 2015-04-21
9004697 Image projection apparatus Tetsuya Fujioka, Yasutada Tsukioka, Naoyuki Ishikawa, Hideo Kanai 2015-04-14
9004696 Image projection apparatus Akihisa Mikawa, Tetsuya Fujioka, Hideo Kanai, Yasunari Mikutsu, Satoshi Tsuchiya +2 more 2015-04-14
8998425 Image projection apparatus Tetsuya Fujioka, Yasutada Tsukioka, Naoyuki Ishikawa, Hideo Kanai 2015-04-07
8985786 Image projection apparatus Tetsuya Fujioka, Yasutada Tsukioka, Naoyuki Ishikawa, Hideo Kanai 2015-03-24