MT

Masaru Tanaka

Ricoh Company: 23 patents #910 of 9,818Top 10%
DI Daikin Industries: 14 patents #205 of 2,957Top 7%
SI Sumitomo Heavy Industries: 11 patents #20 of 917Top 3%
SI Sumitomo Rubber Industries: 10 patents #199 of 1,637Top 15%
YU Yamagata University: 10 patents #1 of 55Top 2%
Fujitsu Limited: 6 patents #5,180 of 24,456Top 25%
HO Horiba: 6 patents #63 of 604Top 15%
Tdk: 5 patents #1,099 of 3,796Top 30%
Sharp Kabushiki Kaisha: 5 patents #3,007 of 10,731Top 30%
Canon: 5 patents #9,253 of 19,416Top 50%
Casio Computer Co.: 3 patents #744 of 1,970Top 40%
SC Sanyo Electric Co.: 3 patents #1,910 of 6,347Top 35%
TC Toyoda Gosei Co.: 3 patents #706 of 2,296Top 35%
TO Toyota: 3 patents #8,352 of 26,838Top 35%
HC Hitachi Chemical Company: 2 patents #701 of 1,946Top 40%
VJ Victor Company Of Japan: 2 patents #523 of 1,489Top 40%
TL Teijin Limited: 2 patents #572 of 1,631Top 40%
KU Kyushu University, National University: 1 patents #221 of 767Top 30%
SS Sanwa Shutter: 1 patents #17 of 45Top 40%
FC Fuji Electric Co.: 1 patents #1,354 of 2,643Top 55%
SE Sen: 1 patents #18 of 32Top 60%
JA Japan Science And Technology Agency: 1 patents #756 of 2,171Top 35%
SK Showa Denko K.K.: 1 patents #940 of 1,736Top 55%
FC Fujigiken Co.: 1 patents #4 of 9Top 45%
FU Fujifilm: 1 patents #3,076 of 4,519Top 70%
TK Terumo Kabushiki Kaisha: 1 patents #888 of 1,558Top 60%
TC Tokusen Kogyo Co.: 1 patents #27 of 68Top 40%
FI Fujifilm Business Innovation: 1 patents #3,579 of 5,238Top 70%
FU Fujifacom: 1 patents #6 of 33Top 20%
NU National University Corporation Hokkaido University: 1 patents #278 of 825Top 35%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
NC Nippon Shokubai Co.: 1 patents #656 of 1,108Top 60%
NL Nippon Sheet Glass Company, Limited: 1 patents #482 of 836Top 60%
OU Osaka University: 1 patents #681 of 1,984Top 35%
PD Piolax Medical Devices: 1 patents #9 of 27Top 35%
Overall (All Time): #9,701 of 4,157,543Top 1%
121
Patents All Time

Issued Patents All Time

Showing 101–121 of 121 patents

Patent #TitleCo-InventorsDate
5223941 Helical scan type playback apparatus for video data recorded on magnetic tape Yasuomi Namiki, Yoshio Tokuyama 1993-06-29
5186959 Pellet making machine for producing pellets from a strand 1993-02-16
5172742 Panel shutter device Hiroshi Iwasaki, Hiroshi Kimura, Yoshihiro Uesugi 1992-12-22
5151688 Input/output display panel with light pen Yutaka Ishii 1992-09-29
5119026 Magnetic resonance imaging apparatus Mitsutoshi Iino, Shirou Nakatao, Hiromi Kawaguchi, Toshiaki Yonekura 1992-06-02
5109254 Developing apparatus Seiji Oka, Tsukuru Kai, Tomoji Ishikawa 1992-04-28
5077584 Toner supply device for electrophotographic equipment Seiji Oka 1991-12-31
4800411 Magnetic brush development device for electrostatic latent images Seiji Oka 1989-01-24
4767528 Drinking water purifying apparatus Toshihiko Sasaki, Keisuke Namba, Naotoshi Matsunaga, Masayuki Tanaka, Norimitsu Ezaki +4 more 1988-08-30
4662748 Apparatus for measuring luminescence lifetime Kiyoaki Hara, Issei Yokoyama 1987-05-05
4584489 Multichannel time-voltage converter 1986-04-22
4565361 Bank note dispenser Hideo Abe 1986-01-21
4563588 Apparatus for measuring the luminous lifetime of samples 1986-01-07
4525069 Optical absorption analyzer Naoki Noguchi, Kenji Yoshino, Osamu Saitoh 1985-06-25
4502784 Analyzer compensation circuit 1985-03-05
4469946 Fluorescent gas analyzer Naoki Noguchi, Kozo Ishida 1984-09-04
4450399 Induction motor 1984-05-22
4395994 Fuel mixture heating device of an internal combustion engine Shuji Goto, Kazuyoshi Tasaka 1983-08-02
4395993 Fuel mixture heating device of an internal combustion engine Kazuyoshi Tasaka, Shuji Goto 1983-08-02
4385486 Apparatus for manufacturing open cord Shouji Iwata, Fumio Yamashita, Hideharu Kurobe, Takuo Itani 1983-05-31
4366798 Fuel mixture heating device of an internal combustion engine Shuji Goto, Kazuyoshi Tasaka 1983-01-04