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 101–124 of 124 patents

Patent #TitleCo-InventorsDate
6923053 Gas flowmeter and manufacturing method thereof Junichi Horie, Izumi Watanabe, Keiichi Nakada 2005-08-02
6925280 Fixing device and image forming apparatus including the same 2005-08-02
6865363 Method and apparatus for image forming capable of effectively performing an image fixing process Toshiharu Hachisuka 2005-03-08
6752014 Hot-wire type air flow meter for internal combustion engine Atsushi Kanke, Keiichi Nakada, Izumi Watanabe, Hisao Sonobe 2004-06-22
6698282 Heated type air flow rate sensor and its forming method Akio Yasukawa, Rintaro Minamitani, Shinya Igarashi, Akira Koide 2004-03-02
6666082 Thermal airflow sensor Izumi Watanabe, Keiichi Nakada 2003-12-23
6577840 Method and apparatus for image forming capable of effectively performing an image fixing process Toshiharu Hachisuka 2003-06-10
6557411 Heating element type mass air flow sensor, and internal combustion engine-control apparatus using the sensor Izumi Watanabe, Keiichi Nakada 2003-05-06
6553829 Air flow sensor having grooved sensor element Keiichi Nakada, Izumi Watanabe 2003-04-29
6553204 Fixing device for fixing a toner image in an image forming apparatus 2003-04-22
6516785 Air flow sensor Keiichi Nakada, Izumi Watanabe, Hiroshi Yoneda, Kei Ueyama 2003-02-11
6490915 Thermal type air flow sensor and control device for a vehicle Izumi Watanabe, Keiichi Nakada 2002-12-10
6351619 Image forming apparatus, belt type fixing device and heating control 2002-02-26
6209402 Measuring element, mass air flow meter therewith and compensating method for accurately measuring air flow 2001-04-03
6091926 Fixing device using a belt for an image forming apparatus 2000-07-18
6088558 Method and apparatus for suppressing belt shift in an image forming apparatus Shigeo Kurotaka 2000-07-11
5708205 Measuring element for a mass air flow sensor and mass air flow sensor using the measuring element Kaoru Uchiyama, Izumi Watanabe, Tadashi Isono, Toshihiko Nakau 1998-01-13
5481984 Leg apparatus for the magnetically levitated vehicle Kazuhiro Oda, Hideyuki Takizawa, Fumio Iwamoto, Shoji Iwai 1996-01-09
4993174 Ceramics spike pin Yoshinori Hattori, Masakatsu Hayakawa 1991-02-19
4980788 Thin-film-type magnetic head device Katsuo Konishi, Michiyori Miura 1990-12-25
4799118 Thin film magnetic head Masaaki Kurebayashi, Masakatsu Saito, Hitoshi Yanagihara, Katsuo Konishi, Toshio Tsuchiya 1989-01-17
4752850 Multi-track magnetic thin film heads Masakatsu Saito, Takumi Sasaki, Katsuo Konishi 1988-06-21
4422108 Tape recorder Tohru Sampei, Naoya Fujita, Shigemitsu Higuchi, Kouichi Tomatsuri 1983-12-20
4422109 Magnetic recording and reproducing apparatus automatically adjustable to each individual magnetic tape Tohru Sampei, Naoya Fujita, Shigemitsu Higuchi, Kohichi Tomatsuri 1983-12-20