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

Satoshi Yoshikawa — 141 Patents

Panasonic: 54 patents #185 of 21,108Top 1%
Sumitomo Electric Industries: 22 patents #886 of 21,551Top 5%
MMMitsubishi Motors: 14 patents #50 of 1,823Top 3%
STSun Patent Trust: 14 patents #50 of 106Top 50%
CLCentral Glass Company, Limited: 12 patents #57 of 968Top 6%
FIFujifilm Business Innovation: 5 patents #1,029 of 1,659Top 65%
YHYakult Honsha: 5 patents #33 of 410Top 9%
Kubota: 5 patents #404 of 2,059Top 20%
DIDaikin Industries: 3 patents #994 of 2,957Top 35%
FUFujifilm: 1 patents #3,076 of 4,519Top 70%
SVSovereign Peak Ventures: 1 patents #13 of 26Top 50%
SISumitomo Electric Device Innovations: 1 patents #123 of 208Top 60%
SSSumitomo Wiring Systems: 1 patents #1,603 of 2,615Top 65%
CCCemedine Co.: 1 patents #31 of 60Top 55%
TLToyo Kasei Kogyo Company Limited: 1 patents #26 of 53Top 50%
ATAutonetworks Technologies: 1 patents #723 of 1,079Top 70%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
AIArakawa Chemical Industries: 1 patents #47 of 130Top 40%
Kasai, JP: #5 of 5,842 inventorsTop 1%
Overall (All Time): #7,007 of 4,157,543Top 1%
141 Patents All Time

Issued Patents All Time

Showing 101–125 of 141 patents

Patent #TitleCo-InventorsDate
8146556 Start control device of internal combustion engine Shinichi Murata 2012-04-03
8033741 Optical transceiver with enhanced EMI tolerance 2011-10-11
7836861 Variable valve mechanism for internal combustion engine Mikio Tanabe, Hideo Nakai 2010-11-23
7699536 Pluggable optical transceiver Hirokazu Sasaki 2010-04-20
7557958 Image processor Kazunori Kurokawa, Seiji Iino 2009-07-07
7511854 Image processing device, image processing method and image processing system Kazunori Kurokawa, Seiji Iino 2009-03-31
7484967 Optical module with a flexible printed circuit board to be electrically connected with a host board Moriyasu Ichino 2009-02-03
7416353 Heat dissipating mechanism of a pluggable optical transceiver Hidemi Sone, Hiromi Kurashima 2008-08-26
7406230 Optical transceiver with a pluggable function 2008-07-29
7357117 Structured combustion chamber for use in engine 2008-04-15
7280724 Optical subassembly and optical transceiver installing the same 2007-10-09
7264406 Releasing mechanism of pluggable transceiver from cage 2007-09-04
7241059 Optical assembly with a sleeve made of amorphous metal 2007-07-10
7210862 Optical subassembly with a heat-radiating fin and an optical transceiver installing the same Toshio Mizue 2007-05-01
7172348 Optical sub-assembly having an enhanced discharge-resistant arrangement and an optical transceiver using the same Hiroyuki Yabe 2007-02-06
7125261 Optical transceiver with a pluggable function Hiromi Kurashima, Hidemi Sone 2006-10-24
7090875 External skin preparations and process for producing the same Kouji Miyazaki, Ryoko Iizuka, Takashi Kinoshita, Naohito Saito, Katsuyoshi Chiba +1 more 2006-08-15
7081254 Skin preparations for external use Yoshio Hiraki, Takashi Kinoshita, Tatsutoshi Shiraishi, Toshiro Sone 2006-07-25
7019077 Resin composition for primer Takafumi Masuda, Shoji Maekawa, Takumi Okazaki, Tsukasa Ishimoto 2006-03-28
6915769 Variable valve system for internal combustion engine Hideki Kanai 2005-07-12
6808321 Optical communication module Hiromi Kurashima, Yasushi Fujimura 2004-10-26
6805495 Optical communication module Hiromi Kurashima, Yasushi Fujimura 2004-10-19
6461627 Skin preparations for external use Minoru Ichioka, Toshiro Sone, Tomoko Hanamizu, Makoto Ohwaki, Katsuyoshi Chiba +2 more 2002-10-08
6355259 Cosmetic composition for skin comprising urea Yoshio Hiraki, Gonichi Tagami, Yasuyuki Takahashi 2002-03-12
6316681 Method for producing 1,1,1,3,3-pentafluoropropane Ryouichi Tamai, Fuyuhiko Sakyu, Yasuo Hibino, Yoshihiko Gotoh 2001-11-13