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

Koji Watanabe — 255 Patents

Hitachi: 30 patents #925 of 28,497Top 4%
Panasonic: 22 patents #856 of 21,108Top 5%
NONok: 18 patents #5 of 725Top 1%
NINifco: 17 patents #13 of 650Top 2%
IBM: 16 patents #6,952 of 70,183Top 10%
Mitsubishi Electric: 11 patents #2,558 of 25,717Top 10%
TIToray Industries: 9 patents #241 of 3,690Top 7%
Kawasaki: 8 patents #232 of 2,943Top 8%
SESeiko Epson: 8 patents #2,198 of 7,774Top 30%
KCKonishiroku Photo Industry Co.: 8 patents #101 of 894Top 15%
Sony: 7 patents #6,034 of 25,231Top 25%
BIBando Chemical Industries: 6 patents #24 of 303Top 8%
SCSenju Metal Industry Co.: 6 patents #42 of 349Top 15%
Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
The Yokohama Rubber Co.: 5 patents #270 of 1,136Top 25%
Nec: 4 patents #3,388 of 14,502Top 25%
HOHoriba: 4 patents #114 of 604Top 20%
MAMakita: 4 patents #298 of 770Top 40%
Nissan Motor Co.: 4 patents #1,803 of 8,689Top 25%
OBObayashi: 4 patents #4 of 118Top 4%
SCShinko Electric Industries Co.: 4 patents #182 of 723Top 30%
Ricoh Company: 3 patents #4,826 of 9,818Top 50%
Toyota: 3 patents #8,352 of 26,838Top 35%
FUFujifilm: 3 patents #1,989 of 4,519Top 45%
NCNagase Chemtex: 3 patents #5 of 74Top 7%
Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%
KOKonica: 2 patents #962 of 1,958Top 50%
KSKonica Minolta Sensing: 2 patents #18 of 57Top 35%
HTHitachi Plant Technologies: 2 patents #55 of 279Top 20%
NANabtesco: 2 patents #85 of 320Top 30%
ACAdvics Co.: 2 patents #250 of 686Top 40%
NINikon: 2 patents #1,269 of 2,493Top 55%
NCNitto Boseki Co.: 2 patents #91 of 339Top 30%
Globalfoundries: 2 patents #1,397 of 4,424Top 35%
Pioneer: 2 patents #761 of 1,730Top 45%
Pioneer Electronic: 2 patents #804 of 1,840Top 45%
Honda Motor Co.: 2 patents #8,527 of 21,052Top 45%
Microsoft: 1 patents #24,826 of 40,388Top 65%
ICIchinomiya Denki Co.: 1 patents #2 of 4Top 50%
MMMitsubishi Mining: 1 patents #886 of 2,247Top 40%
KCKohjin Co.: 1 patents #36 of 109Top 35%
KSKawasaki Steel: 1 patents #889 of 1,922Top 50%
RERenesas Electronics: 1 patents #2,739 of 4,529Top 65%
RTRenesas Technology: 1 patents #1,991 of 3,337Top 60%
HCHitachi Plant Engineering & Construction Co.: 1 patents #53 of 194Top 30%
SCSakata Denki Co.: 1 patents #3 of 8Top 40%
MKMeiji Seika Kaisha: 1 patents #353 of 752Top 50%
SCSekisui Chemical Co.: 1 patents #529 of 908Top 60%
ACAsahi Glass Co.: 1 patents #1,233 of 2,251Top 55%
TIToyota Industries: 1 patents #505 of 955Top 55%
FCFuji Electric Co.: 1 patents #1,354 of 2,643Top 55%
TCTokyo Rope Mfg. Co.: 1 patents #38 of 144Top 30%
DIDisco: 1 patents #384 of 708Top 55%
UIUbe Industries: 1 patents #895 of 1,686Top 55%
NENec Electronics: 1 patents #715 of 1,789Top 40%
NCNhk Spring Co.: 1 patents #555 of 1,116Top 50%
HTHitachi Communication Technologies: 1 patents #83 of 214Top 40%
BKBando Kagaku Kabushiki Kaisha: 1 patents #8 of 37Top 25%
NCNippon Light Metal Company: 1 patents #203 of 499Top 45%
AEAlpine Electronics: 1 patents #279 of 637Top 45%
Tokyo, NY: #2 of 99 inventorsTop 3%
Overall (All Time): #1,893 of 4,157,543Top 1%
255 Patents All Time

Issued Patents All Time

Showing 51–75 of 255 patents

Patent #TitleCo-InventorsDate
9788385 Lighting device, lighting fixture, and lighting system Hiroyuki Matsumoto, Yuichirou Hirowatari, Koji Uenoyama, Shinichi Murakami 2017-10-10
9773721 Lead-free solder alloy, connecting member and a method for its manufacture, and electronic part Shunsaku Yoshikawa, Yoshie Yamanaka, Tsukasa Ohnishi, Seiko Ishibashi, Hiroki Ishikawa +1 more 2017-09-26
9773875 Fabrication of silicon-germanium fin structure having silicon-rich outer surface Hemanth Jagannathan, Choonghyun Lee, Shogo Mochizuki 2017-09-26
9765861 Sealing arrangement of accessory to aircraft engine Tatsuhiko Goi, Kenichiro Tanaka, Isao Fujii 2017-09-19
9756695 Lighting device capable of changing a color of illumination light and lighting fixture Koji Uenoyama, Hiroyuki Matsumoto, Shinichi Murakami, Yuichirou Hirowatari 2017-09-05
9669493 Layered solder material for bonding different species of electrodes and method of bonding the different species of electrodes in an electronic component Minoru Toyoda, Satoshi Tomita, Tsutomu Sugino, Daichi Kikuchi, Hiroki Oshima 2017-06-06
9521717 LED driver, lighting equipment and light fixture Miyo Kangyo, Kazuhiro Kumada, Shinichi Murakami 2016-12-13
9491823 Lighting device, lighting fixture and lighting system Yoshikazu Kado 2016-11-08
9485822 Lighting device, luminaire using lighting device, and lighting system using luminaire Shinichi Murakami, Kazuhiro Kumada, Miyo Kangyo 2016-11-01
9404865 Developed-color measurement apparatus and method Tomonori Nishio 2016-08-02
9389689 Touch screen device 2016-07-12
9388705 Sealing device Kazunari Seki, Wataru Tokunaga, Yuki Takao, Fangman Xu, Hirotaka Mizuta +5 more 2016-07-12
9327364 Solder piece, chip solder and method of fabricating solder piece Masahiko Abe, Hideaki Takahashi, Masahiko Kanno, Masaya Ito 2016-05-03
9322741 Exhaust gas analyzing system Tetsu Yoshioka 2016-04-26
9309973 Sealing device and sealing structure Kazunari Seki, Wataru Tokunaga, Yuki Takao, Fangman Xu, Hirotaka Mizuta +5 more 2016-04-12
9278580 Pneumatic tire and mold Isamu Kishizoe, Izumi Kuramochi, Kotaro Iwabuchi, Takumi Morito, Yoshimasa Hashimoto 2016-03-08
9239681 Storage subsystem and method for controlling the storage subsystem Kenta Shiga 2016-01-19
9238454 Brake control system Kumiko Akita, Takayuki Yamamoto, Tetsuya Miyazaki, Terushige Uraoka 2016-01-19
9215643 Route selecting device and mobile radio communication system Yuta MUTO 2015-12-15
9167654 Solid light source lighting device, illumination apparatus, and illumination system Yoshifumi Kuroki 2015-10-20
9157530 Sealing device and sealing structure Kazunari Seki, Wataru Tokunaga, Yuki Takao, Fangman Xu, Hirotaka Mizuta +5 more 2015-10-13
9157504 Anchoring device for filament body made of fiber reinforced plastic Minoru Okada, Yanke Zhao, Takayuki Okeno 2015-10-13
9151238 Fault diagnosis method, fault diagnosis system, and fault diagnosis device for engine Hiroshi Ito, Masami Haishima, Kensuke Yagi 2015-10-06
9140675 Test system Hiroshi Nakamura, Kaoru Okada, Masayuki Hayata, Toru Yamazaki 2015-09-22
9089020 Dimming signal generation device and illumination control system using same Hiromitsu Mizukawa 2015-07-21