MT

Masaaki Takahashi

Canon: 45 patents #884 of 19,416Top 5%
FI Fujifilm Business Innovation: 32 patents #168 of 1,659Top 15%
KK Kureha Kagaku Kogyo: 12 patents #44 of 607Top 8%
HI Hitachi: 10 patents #4,206 of 28,497Top 15%
SI Seiko Instruments: 5 patents #328 of 1,437Top 25%
SC Sankyo Holdings Co.: 5 patents #136 of 700Top 20%
HC Hitachi Software Engineering Co.: 4 patents #40 of 502Top 8%
NE Nec: 3 patents #4,195 of 14,502Top 30%
Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%
GC General Packer Co.: 3 patents #2 of 12Top 20%
TC Taiko Kikai Industries Co.: 2 patents #3 of 8Top 40%
KE Keihin: 2 patents #128 of 596Top 25%
NC Nara Machinery Co.: 2 patents #8 of 46Top 20%
MK Meiji Seika Kaisha: 2 patents #234 of 752Top 35%
KC Kokusai Denshin Denwa Co.: 1 patents #219 of 382Top 60%
SC Shimizu Construction Co.: 1 patents #112 of 352Top 35%
TC Takenaka Komuten Co.: 1 patents #36 of 128Top 30%
TC Tsubakimoto Chain: 1 patents #320 of 593Top 55%
TC Tyco Electronics Co.: 1 patents #700 of 1,364Top 55%
YC Yoshino Gypsum Co.: 1 patents #49 of 106Top 50%
DP Daio Paper: 1 patents #126 of 258Top 50%
BH Bayer Healthcare: 1 patents #4,623 of 8,007Top 60%
AC Alps Alpine Co.: 1 patents #246 of 525Top 50%
PK Pilot Man-Nen-Hitsu Kabushiki Kaisha: 1 patents #23 of 63Top 40%
SA Sanden: 1 patents #336 of 631Top 55%
📍 Yokohama, JP: #56 of 480 inventorsTop 15%
Overall (All Time): #7,625 of 4,157,543Top 1%
136
Patents All Time

Issued Patents All Time

Showing 101–125 of 136 patents

Patent #TitleCo-InventorsDate
5753348 Fluororesin tube-covered fixing roller, and image formation apparatus Hideyuki Hatakeyama, Hiroaki Kumagai, Kazuo Kishino, Hideo Kawamoto 1998-05-19
5661343 Power hybrid integrated circuit apparatus Kazuji Yamada, Hideki Miyazaki, Kazuo Kato 1997-08-26
5656087 Method for surface treatment of solid particles and apparatus therefor Yuji Kikuchi, Masamitsu Nagao 1997-08-12
5608508 Rotatable member for fixing in which inorganic filler is contained in silicone rubber, and fixing device having the same Hiroaki Kumagai, Takeshi Menjo, Kazuo Kishino, Rie Saito, Jiro Ishizuka +2 more 1997-03-04
5538677 Method of producing elastic roller whose external curved surface cylindrical shape is of varying diameter 1996-07-23
5516550 Method for surface treatment of solid particles and apparatus therefor Yuji Kikuchi, Masamitsu Nagao 1996-05-14
5441457 Tensioner having reservoir cover plate Kazuhiko Tsutsumi, Sadao Miki 1995-08-15
5436231 Adenophostins Shuji Takahashi, Kazuhiko Tanzawa, Kaneo Ogawa, Tsuyoshi Hosoya 1995-07-25
5379774 Measurement of arterial elasticity and the frequency characteristic of the compliance of an artery Masatoshi Nishimura, Yasushi Orihashi 1995-01-10
5334879 Feeding system and feeding method for a submarine cable communication system Yoshiyuki Inoue, Kenji Ohta 1994-08-02
5324758 Vibration damping material of asphalt cement Yasuo Soga, Kazuyoshi Iatagaki, Yutaka Fujita, Yutaka Nakamura 1994-06-28
5296957 Optical repeater having loop-back function used in transmission system Takanori Maki, Kazuya Amaki, Katsumi Kikawa, Mitsushi Nitta 1994-03-22
5293874 Measurement of transmission velocity of pulse wave Masatoshi Nishimura, Nobuaki Nakatsubo 1994-03-15
5177670 Capacitor-carrying semiconductor module Hiroichi Shinohara, Hirokazu Inoue, Yoichi Abe, Akira Kato, Hideo Suzuki +2 more 1993-01-05
5138390 Cleaning sheet for fixating rotational member and image forming apparatus having fixating rotational member Toshiyuki Miyabayashi, Kazuo Kishino, Yoji Tomoyuki, Yasumasa Ohtsuka 1992-08-11
5089481 Polysaccharides and antiviral drugs containing the same as active ingredient Shigeaki Muto, Koichi Niimura, Minoru Oohara, Yoshiharu Oguchi, Kenichi Matsunaga +5 more 1992-02-18
5089201 Method for preparing elastic roller 1992-02-18
4985543 Lectins and antiretroviral drugs containing the lectins as active ingredient Norifumi Sugita, Koichi Niimura, Yoshiharu Oguchi, Kunitaka Hirose, Kenichi Matsunaga +5 more 1991-01-15
4798969 Power feed system in transmission line between terminals of three-terminal station Yoshiyuki Inoue, Koichi Tatekura, Hitoshi Nishikawa, Hajime Ohta, Yoshikazu Kogure 1989-01-17
4691223 Semiconductor device having high breakdown voltage Susumu Murakami, Teruyuki Kagami, Tsutomu Yatsuo 1987-09-01
4610927 Microcapsules containing a hydrophobic, volatile core substance and their production Yuriko Igarashi 1986-09-09
4557755 Microencapsulated agricultural chemical and process of preparation thereof Yuji Hattori, Yuriko Igarashi 1985-12-10
RE31901 Continuous electrolytical treatment of aluminum or its alloys Satoshi Kawai, Yoichi Yamagiwa, Masashi Mizusawa, Hiroshi Watanabe, Yoshio Ando 1985-05-28
4505397 Apparatus for hoisting materials and placing concrete Sakichi Isogai, Teruo Mizuhata, Takayoshi Imai, Kazuyoshi Nakanishi, Takefumi Ito +1 more 1985-03-19
4484214 pn Junction device with glass moats and a channel stopper region of greater depth than the base pn junction depth Yutaka Misawa, Hiroaki Hachino 1984-11-20