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 51–75 of 124 patents

Patent #TitleCo-InventorsDate
8909074 Fixing device and image forming apparatus including same 2014-12-09
8882277 Image projection apparatus Tetsuya Fujioka, Yasutada Tsukioka, Naoyuki Ishikawa, Hideo Kanai 2014-11-11
8811838 Fixing device and image forming apparatus incorporating same 2014-08-19
8779337 Thermal type flow sensor having bridge circuit and adjustment circuit Hiroshi Nakano, Masahiro Matsumoto, Izumi Watanabe 2014-07-15
8744329 Fixing device and image forming apparatus incorporating same 2014-06-03
8717017 Magnetic field detection apparatus and measurement apparatus Mutsumi Suzuki, Nobuyasu Kanekawa 2014-05-06
8689608 Thermal gas sensor Hiroshi Nakano, Masahiro Matsumoto, Keiji Hanzawa 2014-04-08
8630556 Fixing device and image forming apparatus including same 2014-01-14
8571455 Fixing device and image forming apparatus including same having a separation plate assembly 2013-10-29
8515312 Fixing device and image forming apparatus including same 2013-08-20
8359919 Thermal humidity sensor Masahiro Matsumoto, Hiroshi Nakano, Keiji Hanzawa 2013-01-29
8358959 Fixing device and image forming apparatus incorporating same Takahiro Yoshikawa 2013-01-22
8346146 Belt driving device, fixing device, and image forming apparatus 2013-01-01
8320808 Image forming apparatus and fixing device with fine sheet separation function 2012-11-27
8299018 Proteins with an attached short peptide of acidic amino acids Shunji Tomatsu, Ken'ichi Miyamoto, Yasuhiro Tosaka, Mana Yamada 2012-10-30
8217320 Thermal type flow sensor Hiroshi Nakano, Masahiro Matsumoto, Izumi Watanabe 2012-07-10
8203102 Thermal type flow sensor Hiroshi Nakano, Masahiro Matsumoto, Izumi Watanabe 2012-06-19
8089233 Physical quantity conversion sensor and motor control system using the same Nobuyasu Kanekawa, Shoji Sasaki, Katsuaki Fukatsu, Kenji Nakabayashi, Daisuke Terada 2012-01-03
7890039 Sheet separation device, sheet conveyance apparatus, and image forming system 2011-02-15
7863238 Proteins with an attached short peptide of acidic amino acids Shunji Tomatsu, Ken'ichi Miyamoto, Yasuhiro Tosaka, Mana Yamada 2011-01-04
7852070 GMR sensor device having AC power supply Nobuyasu Kanekawa, Kenji Nakabayashi 2010-12-14
7751768 Fixing device and image forming apparatus including fixing device 2010-07-06
7721599 Reduced resistance thermal flow measurement device Masahiro Matsumoto, Hiroshi Nakano, Keiji Hanzawa, Izumi Watanabe, Keiichi Nakada +1 more 2010-05-25
7685874 Thermal type flow sensor with a constricted measuring passage Hiroshi Nakano, Masahiro Matsumoto, Izumi Watanabe 2010-03-30
7656624 IC power protection circuit Masahiro Matsumoto, Hiroshi Nakano, Keiji Hanzawa, Ryo Sato 2010-02-02