YT

Yoshihiro Takahashi

Ricoh Company: 25 patents #815 of 9,818Top 9%
SO Sony: 15 patents #2,858 of 25,231Top 15%
TC Tohoku Ricoh Co.: 7 patents #17 of 204Top 9%
Honda Motor Co.: 6 patents #3,726 of 21,052Top 20%
HC Hitachi Chemical Company: 5 patents #314 of 1,946Top 20%
Mitsubishi Electric: 4 patents #7,099 of 25,717Top 30%
AC Alps Electric Co.: 4 patents #470 of 2,177Top 25%
MC Mitsumi Electric Co.: 3 patents #259 of 935Top 30%
Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%
MI Mitsuba: 3 patents #118 of 618Top 20%
TO Tosoh: 3 patents #235 of 1,042Top 25%
PR Prevent-Plus: 3 patents #13 of 68Top 20%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
TO Topcon: 2 patents #309 of 684Top 50%
EN Envirotech: 2 patents #17 of 100Top 20%
TC Tohoku Electric Power Company: 1 patents #65 of 246Top 30%
TK Tokyo Kogaku Kikai: 1 patents #65 of 143Top 50%
TC Tokyo Rope Mfg. Co.: 1 patents #38 of 144Top 30%
Yamaha: 1 patents #1,232 of 2,001Top 65%
YA Yazaki: 1 patents #2,077 of 3,427Top 65%
Canon: 1 patents #14,899 of 19,416Top 80%
MC Mitsubishi Chemical: 1 patents #294 of 716Top 45%
FL Fujitsu Optical Components Limited: 1 patents #74 of 126Top 60%
FC Fukuda Metal Foil & Powder Co.: 1 patents #50 of 95Top 55%
HC Hitachi Cable: 1 patents #530 of 1,086Top 50%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
KO Koganei: 1 patents #41 of 103Top 40%
NE Nec: 1 patents #7,889 of 14,502Top 55%
NC Nihon Dempa Kogyo Co.: 1 patents #180 of 296Top 65%
NC Nittan Valve Co.: 1 patents #49 of 98Top 50%
NT Ntn: 1 patents #814 of 1,364Top 60%
OL Olympus: 1 patents #2,078 of 3,097Top 70%
PH Phc Holdings: 1 patents #122 of 211Top 60%
Sharp Kabushiki Kaisha: 1 patents #6,861 of 10,731Top 65%
SC Showa Electric Wire & Cable Co.: 1 patents #42 of 169Top 25%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
📍 Tokyo, CA: #68 of 583 inventorsTop 15%
Overall (All Time): #12,639 of 4,157,543Top 1%
107
Patents All Time

Issued Patents All Time

Showing 76–100 of 107 patents

Patent #TitleCo-InventorsDate
6255571 Trombone stable in tone color and pitch and compact valve used therein 2001-07-03
D437607 Data projector 2001-02-13
6015953 Tension clamp for stranded conductor Shigeru Tosaka, Syuji Tachizaki, Kouetu Sato, Hiroshi Kimura, Hiroshi Tajima +5 more 2000-01-18
5888646 Surface acoustic wave device Yasushi Yamamoto, Natsuhiko Sakairi, Shin-ichi Shikata, Hideaki Nakahata, Kenjiro Higaki +2 more 1999-03-30
5769544 Dynamic pressure pneumatic bearing device and manufacturing method thereof Mitsuo Suzuki, Yukio Itami, Kunio Ikeda, Yuzuru Kudo, Takao Abe +1 more 1998-06-23
5739602 Method of and device using adhesively connected parts for preventing motor rotational imbalance caused by thermal expansion Mitsuo Suzuki, Yukio Itami, Wataru Ohtani, Wataru Kashima, Noriyuki Kadowaki 1998-04-14
5664325 Fabrication process of wiring board Naoki Fukutomi, Hajime Nakayama, Yoshiaki Tsubomatsu, Kouichi Kaitou, Yasunobu Yoshidomi 1997-09-09
5630579 Automatic manuscript sheet feeder Kouichi Minami, Mitsuru Wakabayashi, Hiroshi Torikai 1997-05-20
5606448 Polygon scanner and production process thereof Mitsuo Suzuki, Yukio Itami, Yoshio Hashimoto, Koji Tsukahara, Takao Abe 1997-02-25
5574591 Polygon scanner and production process thereof Mitsuo Suzuki, Yukio Itami, Yoshio Hashimoto, Koji Tsukahara, Takao Abe 1996-11-12
D373779 Combined overhead projector and automatic film feeding unit Hiroshi Torikai, Mitsuru Wakabayashi 1996-09-17
5510664 Brushless motor Mitsuo Suzuki, Yukio Itami, Yoshio Hashimoto, Mutsumi Yamamoto 1996-04-23
5453650 Face opposing type motor Yoshio Hashimoto, Mitsuo Suzuki, Yukio Itami 1995-09-26
5426850 Fabrication process of wiring board Naoki Fukutomi, Hajime Nakayama, Yoshiaki Tsubomatsu, Kouichi Kaitou, Yasunobu Yoshidomi 1995-06-27
5195961 Aspirator Susumu Takahashi, Mineki Hayafuji 1993-03-23
4917480 Eye refractive power measuring apparatus Yasuo Kato, Kiwami Horiguchi, Ikuo Kitao 1990-04-17
4894533 Optical rotary encoder Hiraku Abe, Yoji Shimojima 1990-01-16
D304456 Paper hole drill 1989-11-07
4820264 Infusion instrument Mizuo Matsui, Fumio Ohtomo, Koji Sato 1989-04-11
4806751 Code wheel for a reflective type optical rotary encoder Hiraku Abe, Yoji Shimojima 1989-02-21
4749657 Organic spill monitor Larry E. Maley 1988-06-07
4727356 Optical rotary encoder Hiraku Abe, Yoji Shimojima 1988-02-23
4661697 Optically reflecting code plate Hiraku Abe, Kourou Hayasaka 1987-04-28
4644156 Code wheel for reflective optical rotary encoders Hiraku Abe, Yasuhiro Mamiya 1987-02-17
4577338 X-Ray fluorescence spectrometer and method of calibrating the same Maria Rey 1986-03-18