Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
YK

Yuichi Kobayashi

Hitachi: 22 patents #1,535 of 28,497Top 6%
Casio Computer Co.: 5 patents #505 of 1,970Top 30%
Schlumberger Technology: 5 patents #1,262 of 7,293Top 20%
Ricoh Company: 5 patents #3,664 of 9,818Top 40%
HSHitachi Automotive Systems: 3 patents #507 of 1,636Top 35%
OKOtsuka Kagaku Yakuhin Kabushiki Kaisha: 2 patents #15 of 56Top 30%
The Yokohama Rubber Co.: 2 patents #475 of 1,136Top 45%
TOTokico: 2 patents #111 of 359Top 35%
Panasonic: 2 patents #9,678 of 21,108Top 50%
NSNippon Soken: 1 patents #783 of 1,540Top 55%
OCOrion Electric Company: 1 patents #46 of 160Top 30%
KSKawasaki Steel: 1 patents #889 of 1,922Top 50%
Denso: 1 patents #6,940 of 11,792Top 60%
DCDenka Consultant And Engineering Co.: 1 patents #5 of 44Top 15%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Yamaha Motor: 1 patents #1,283 of 2,310Top 60%
TCTohoku Electric Power Company: 1 patents #65 of 246Top 30%
Toyota: 1 patents #15,335 of 26,838Top 60%
TCToppan Printing Co.: 1 patents #691 of 1,467Top 50%
UKUshio Denki Kabushiki Kaisha: 1 patents #309 of 583Top 55%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
Overall (All Time): #40,050 of 4,157,543Top 1%
59 Patents All Time

Issued Patents All Time

Showing 26–50 of 59 patents

Patent #TitleCo-InventorsDate
7873767 Wireless IC memory, accessing apparatus for use of wireless IC memory, accessing control method for use of wireless IC memory, and wireless IC memory system Masumi Moritani, Shinichiro Fukushima, Hiroyuki Higaki, Atsushi Honzawa 2011-01-18
7811652 Formed article of cordierite and method for manufacturing the formed article Kentaro Makino, Kazushige Uchiyama, Yoshihide Segawa, Tomohiko Nakanishi 2010-10-12
7760075 Traceability system Shigeru Sasaki, Shuji Terada, Yoshifumi Sato, Takeshi Nakatani 2010-07-20
7482932 Traceability system Shigeru Sasaki, Shuji Terada, Yoshifumi Sato, Takeshi Nakatani 2009-01-27
7436121 Light source device Takashi Yamashita 2008-10-14
7403889 Electronic dictionary with example sentences Takatoshi Abe 2008-07-22
7397374 Traceability system Shigeru Sasaki, Shuji Terada, Yoshifumi Sato, Takeshi Nakatani 2008-07-08
RE40386 Chrome plated parts and chrome plating method Junichi Nagasawa, Shoichi Kamiya, Toshiyuki Fukaya, Hiromi Hieno, Kazuo Watanabe 2008-06-17
7257825 Disc changer, method of detecting mode thereof, and method of selecting disc ejection Kenji Sakano, Masahiko Nishide 2007-08-14
7183923 Traceability system Shigeru Sasaki, Shuji Terada, Yoshifumi Sato, Takeshi Nakatani 2007-02-27
7089451 Computer management system Ichiro Ote, Hiroshi Furukawa, Hiroaki Washimi, Shigeru Sakurai, Teiji Karasaki +3 more 2006-08-08
6704754 Method for shared use of medium-exchangeable storage device for purposes of backup and file system, and medium-exchangeable recording system Kazuhiro Soeda, Kazutoshi Kato 2004-03-09
6687202 Pickup control device for optical disk drive which adjusts loop gain or determines sample rate Takahiro Watanabe, Yasushi Imamura, Masaaki Okita 2004-02-03
6550868 Damper plate for automobile wheel Takumi Sekiguchi 2003-04-22
6400657 Method of selecting medium in optical disk memory device and optical disk memory system Kazuhiro Soeda, Kazuaki Tanaka 2002-06-04
6329071 Chrome plated parts and chrome plating method Junichi Nagasawa, Shoichi Kamiya, Toshiyuki Fukaya, Hiromi Yamauchi, Kazuo Watanabe 2001-12-11
6199180 Computer management system Ichiro Ote, Hiroshi Furukawa, Hiroaki Washimi, Shigeru Sakurai, Teiji Karasaki +3 more 2001-03-06
6173561 Steam cooling method for gas turbine combustor and apparatus therefor Minoru Sato, Kouichi Akagi, Mitsuru Inada 2001-01-16
6118458 Image displaying apparatus Yoshio Kawai, Shinichiro Sato, Jun Oshima 2000-09-12
6061071 Apparatus for displaying images of living things to show growth and/or movement of the living things Yoshio Kawai, Shinichiro Sato, Jun Oshima 2000-05-09
6044476 Computer management system Ichiro Ote, Hiroshi Furukawa, Hiroaki Washimi, Shigeru Sakurai, Teiji Karasaki +3 more 2000-03-28
6037952 Image displaying apparatus Yoshio Kawai, Shinichiro Sato, Jun Oshima 2000-03-14
5950482 Method for shaping tubular member Junichi Nagasawa, Makoto Kitamura, Osamu Kato 1999-09-14
5815652 Computer management system Ichiro Ote, Hiroshi Furukawa, Hiroaki Washimi, Shigeru Sakurai, Teiji Karasaki +3 more 1998-09-29
5608851 Color variation specification method and a device therefor 1997-03-04