YT

Yuji Takahashi

Fujitsu Limited: 40 patents #445 of 24,456Top 2%
Canon: 37 patents #1,284 of 19,416Top 7%
Ricoh Company: 29 patents #656 of 9,818Top 7%
TT Toshiba Lighting & Technology: 19 patents #25 of 486Top 6%
TC Toyoda Gosei Co.: 19 patents #91 of 2,296Top 4%
SO Sony: 18 patents #2,315 of 25,231Top 10%
ST Sandisk Technologies: 17 patents #169 of 2,224Top 8%
NE Nec: 15 patents #768 of 14,502Top 6%
TO Toyota: 13 patents #2,130 of 26,838Top 8%
JT Jtekt: 13 patents #83 of 1,969Top 5%
Sumitomo Electric Industries: 13 patents #1,957 of 21,551Top 10%
Yamaha: 11 patents #208 of 2,001Top 15%
MA Makita: 10 patents #121 of 770Top 20%
FC Fuji Kiko Co.: 4 patents #30 of 208Top 15%
WT Western Digital Technologies: 3 patents #968 of 3,180Top 35%
PA Panasonic: 3 patents #7,617 of 21,108Top 40%
JA Jatco: 3 patents #227 of 871Top 30%
KA Kaneka: 3 patents #437 of 1,525Top 30%
KC Koha Co.: 3 patents #16 of 58Top 30%
RE Renesas Electronics: 3 patents #1,322 of 4,529Top 30%
JC Japan Chain Terminal Co.: 2 patents #1 of 11Top 10%
JE Jx Nippon Oil & Energy: 2 patents #125 of 416Top 35%
AC Alps Alpine Co.: 2 patents #150 of 525Top 30%
NC Nitto Jushi Kogyo Co.: 2 patents #4 of 21Top 20%
KO Koganei: 2 patents #25 of 103Top 25%
NC Nippon Leakless Industry Co.: 2 patents #10 of 67Top 15%
MC Mitsui Chemicals: 2 patents #873 of 2,279Top 40%
UN Unicharm: 2 patents #306 of 624Top 50%
YA Yazaki: 2 patents #1,574 of 3,427Top 50%
Pioneer: 1 patents #1,107 of 1,730Top 65%
AT Axcelis Technologies: 1 patents #165 of 300Top 60%
CC Clarion Co.: 1 patents #397 of 721Top 60%
EL Edwards Japan Limited: 1 patents #35 of 79Top 45%
FC Fdk Energy Co.: 1 patents #10 of 15Top 70%
FC Fuji Silysia Chemical: 1 patents #9 of 26Top 35%
FL Fujitsu Component Limited: 1 patents #204 of 281Top 75%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HC Hitachi Chemical Company: 1 patents #1,071 of 1,946Top 60%
HD Hitachi Denshi: 1 patents #119 of 275Top 45%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
KC Kirin Brewery Co.: 1 patents #38 of 77Top 50%
LC Laurel Bank Machines Co.: 1 patents #90 of 139Top 65%
Mazda Motor: 1 patents #2,563 of 4,755Top 55%
NS National Institute Of Agrobiological Sciences: 1 patents #80 of 225Top 40%
NO Nippon Oil: 1 patents #392 of 773Top 55%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
AE Aida Engineering: 1 patents #83 of 163Top 55%
Robert Bosch Gmbh: 1 patents #10,465 of 19,740Top 55%
SN Sumitomo Eaton Nova: 1 patents #16 of 23Top 70%
TT The University Of Tokyo: 1 patents #1,000 of 2,633Top 40%
TP Tohoku Pioneer: 1 patents #179 of 312Top 60%
TL Tokyo Electron Limited: 1 patents #3,538 of 5,567Top 65%
TK Toyoda Koki Kabushiki Kaisha: 1 patents #307 of 674Top 50%
📍 Hamamatsu, JP: #3 of 41 inventorsTop 8%
Overall (All Time): #1,436 of 4,157,543Top 1%
289
Patents All Time

Issued Patents All Time

Showing 226–250 of 289 patents

Patent #TitleCo-InventorsDate
5907535 Disk cartridge with positioning hole Ichiro Kawamura, Toshiaki Kashihara, Yoshio Hata 1999-05-25
5901129 Tray with positioning protrusion for loading a disk cartridge Ichiro Kawamura, Toshiaki Kashihara, Yoshio Hata 1999-05-04
5822488 Single-mode optical fiber with plural core portions Yoshiaki Terasawa, Takatoshi Kato 1998-10-13
5819151 Original feeding apparatus with rotary conveyor that releases original before reading Masataka Naito, Masakazu Hiroi, Yoshinori Isobe, Akimaro Yoshida, Hitoshi Fujimoto +1 more 1998-10-06
5808592 Integrated light-emitting diode lamp and method of producing the same Junichi Mizutani, Hideyuki Naganawa 1998-09-15
5799009 Disk cartridge with an inclined groove Ichiro Kawamura, Toshiaki Kashihara, Yoshio Hata 1998-08-25
5789918 Temperature compensated differential transformer and a measuring device using the same Katsunori Imai 1998-08-04
5777861 Power supply apparatus having high power-factor and low distortion-factor characteristics Keiichi Shimizu, Noriyuki Kitamura, Tsutomu Kakitani, Nanjou Aoike, Fumihiko Nagasaki 1998-07-07
5752154 Sheet post-treatment apparatus of line-up free type Hiroyoshi Maruyama, Yoshikuni Toyama, Shinichi Tanada, Toshihiko Kusumoto, Masahiko Yashiro 1998-05-12
5737207 Power supply Kazuyuki Uratani, Noriyuki Kitamura, Tsutomu Kakitani, Keiichi Shimizu, Kazutoshi Mita 1998-04-07
5720479 Sheet sorting and containing apparatus Yoshimasu Yamaguchi, Kimiaki Hayakawa, Toshihiko Kusumoto, Hideaki Kosasa, Hiroshi Ohta +2 more 1998-02-24
5639290 Process for producing a glass preform for an optical fiber and apparatus for the same Toshimi Habasaki, Koji Takata, Fumitaka Uchino, Koji Amemiya 1997-06-17
5599014 Sheet convey apparatus Yoshihiko Kitahara, Hitoshi Fujimoto 1997-02-04
5597153 Automatic original feed apparatus Hiroyoshi Maruyama, Yoshikuni Toyama, Shinichi Tanada, Toshihiko Kusumoto, Masahiko Yashiro 1997-01-28
5584753 Device for fixing tool element to rotary tool 1996-12-17
5580039 Sheet material sorting apparatus having means for holding and conveying the sheet material Yoshifumi Takehara, Noriyoshi Ueda, Norifumi Miyake 1996-12-03
5579083 Image forming system with original feeding apparatus Masataka Naito, Masakazu Hiroi, Yoshinori Isobe, Akimaro Yoshida, Hitoshi Fujimoto +1 more 1996-11-26
5569012 Book binding apparatus Hideaki Kosasa, Kimiaki Hayakawa, Toshihiko Kusumoto, Yoshimasu Yamaguchi, Hiroshi Ohta +2 more 1996-10-29
5569011 Book Binding apparatus Yoshimasu Yamaguchi, Kimiaki Hayakawa, Toshihiko Kusumoto, Hideaki Kosasa, Hiroshi Ohta +2 more 1996-10-29
5568553 Cordless phone system capable of scrambling communication signals Hideo Fukasawa 1996-10-22
5540421 Book binding apparatus Hiroshi Ohta, Kimiaki Hayakawa, Toshihiko Kusumoto, Yoshimasu Yamaguchi, Hideaki Kosasa +2 more 1996-07-30
D368083 Optical disk cartridge Takayuki Hayami, Masahiko Moriwaki, Yutaka Kohno 1996-03-19
5493331 Apparatus for judging the order of arrival of racers at a goal in a race and the time taken for the race, using color image pickup Naoyuki Shimbo 1996-02-20
5492315 Sheet post-treatment apparatus having tab trimmer Hiroyoshi Maruyama, Yoshikuni Toyama, Shinichi Tanada, Toshihiko Kusumoto, Masahiko Yashiro 1996-02-20
5449167 Sheet material sorting apparatus having means for holding and conveying the sheet material Yoshifumi Takehara, Noriyoshi Ueda, Norifumi Miyake 1995-09-12