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 26–50 of 255 patents

Patent #TitleCo-InventorsDate
D890310 Seal Yusuke Yoshida 2020-07-14
10634254 Seal ring Kazunari Seki 2020-04-28
10626280 Nano-metal ink and process for producing metal film using same Hiroaki Ozoe, Yutaka Tsujimura 2020-04-21
D876594 Seal for shafts Kazunari Seki 2020-02-25
D875899 Seal Yusuke Yoshida 2020-02-18
D875900 Seal Yusuke Yoshida 2020-02-18
D873981 Seal ring Yusuke Yoshida 2020-01-28
10508735 Controller of toroidal continuously variable transmission Kenichi Nakashima, Tatsuhiko Goi 2019-12-17
10504997 Silicon-germanium Fin structure having silicon-rich outer surface Hemanth Jagannathan, Choonghyun Lee, Shogo Mochizuki 2019-12-10
10381292 Lead frame and method of manufacturing lead frame Kentaro Kaneko 2019-08-13
10359114 Sealing device Kazunari Seki 2019-07-23
10356969 Component mounter Hiroyuki Fujiwara, Shinji Yamamoto 2019-07-16
10332747 Selective titanium nitride deposition using oxides of lanthanum masks Meng Zhu, Brian Alexander Cohen, Matthew T. Whitman, Balaji Kannan 2019-06-25
10297671 Uniform threshold voltage for nanosheet devices Ruqiang Bao, Hemanth Jagannathan, Paul C. Jamison, Choonghyun Lee, Vijay Narayanan 2019-05-21
10256161 Dual work function CMOS devices Hemanth Jagannathan, Muthumanickam Sankarapandian 2019-04-09
10252258 Method for separating and concentrating target substance using novel cationic graft polymer Kazuho Ashizawa, Kenta Noda, Yoko TERUUCHI, Masaru Bunya 2019-04-09
10229975 Fabrication of silicon-germanium fin structure having silicon-rich outer surface Hemanth Jagannathan, Choonghyun Lee, Shogo Mochizuki 2019-03-12
10217839 Field effect transistor (FET) with a gate having a recessed work function metal layer and method of forming the FET Chanro Park, Kisup Chung, Victor Chan 2019-02-26
10189931 Graft polymer and method for producing same Masaru Bunya 2019-01-29
10170477 Forming MOSFET structures with work function modification Ruqiang Bao, Gauri Karve, Derrick Liu, Robert R. Robison, Gen Tsutsui +1 more 2019-01-01
10147725 Forming MOSFET structures with work function modification Ruqiang Bao, Gauri Karve, Derrick Liu, Robert R. Robison, Gen Tsutsui +1 more 2018-12-04
10084055 Uniform threshold voltage for nanosheet devices Ruqiang Bao, Hemanth Jagannathan, Paul C. Jamison, Choonghyun Lee, Vijay Narayanan 2018-09-25
9956634 Device for coating thin molten solder film, thin solder film-covered component and manufacturing method therefor Isamu Sato, Kota Kikuchi, Michio Suzuki, Naoto Kameda, Hideki Nakamura 2018-05-01
9890839 Generating device for aircraft Tatsuhiko Goi, Kenichiro Tanaka, Isao Fujii 2018-02-13
9856984 Sealing device Katsuyoshi SAKUMA 2018-01-02