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

Hiroaki Watanabe

Canon: 30 patents #1,833 of 19,416Top 10%
Fujitsu Limited: 12 patents #2,592 of 24,456Top 15%
ADAdeka: 9 patents #31 of 499Top 7%
Honda Motor Co.: 8 patents #2,726 of 21,052Top 15%
LILixil: 8 patents #2 of 168Top 2%
KOKomatsu: 8 patents #209 of 2,087Top 15%
Ricoh Company: 7 patents #2,977 of 9,818Top 35%
TTToshiba Lighting & Technology: 6 patents #89 of 486Top 20%
KSKyocera Document Solutions: 6 patents #570 of 1,545Top 40%
HOHoya Candeo Optronics: 5 patents #2 of 20Top 10%
Kabushiki Kaisha Toshiba: 5 patents #5,683 of 21,451Top 30%
UJUnisia Jecs: 4 patents #74 of 395Top 20%
Kyocera: 3 patents #999 of 3,732Top 30%
T(Toray Plastics (America): 3 patents #31 of 102Top 35%
SISintokogio: 3 patents #110 of 455Top 25%
SCShimizu Construction Co.: 3 patents #20 of 352Top 6%
HOHoya: 3 patents #406 of 1,290Top 35%
Pioneer: 3 patents #574 of 1,730Top 35%
KPKyocera Connector Products: 3 patents #1 of 14Top 8%
Pioneer Electronic: 2 patents #804 of 1,840Top 45%
KSKobe Steel: 2 patents #616 of 1,773Top 35%
MLMitsubishi Paper Mills Limited: 2 patents #171 of 458Top 40%
TPTohoku Pioneer: 2 patents #104 of 312Top 35%
TCTokai Optical Co.: 2 patents #14 of 44Top 35%
TKToshiba Tec Kabushiki Kaisha: 2 patents #886 of 1,664Top 55%
YAYazaki: 2 patents #1,574 of 3,427Top 50%
JUJunkosha: 1 patents #35 of 85Top 45%
PPPioneer Display Products: 1 patents #46 of 71Top 65%
INInax: 1 patents #78 of 242Top 35%
PVPioneer Video: 1 patents #67 of 139Top 50%
ICIbiden Co.: 1 patents #451 of 730Top 65%
Rohm Co.: 1 patents #1,438 of 2,292Top 65%
SCSanko Kasei Co.: 1 patents #14 of 29Top 50%
HAHitachi Astemo: 1 patents #649 of 1,276Top 55%
FCFujikura Kasei Co.: 1 patents #36 of 92Top 40%
SLSpansion Llc.: 1 patents #435 of 769Top 60%
HP: 1 patents #3,612 of 7,018Top 55%
TIToray Industries: 1 patents #2,000 of 3,690Top 55%
FCFuji Kagakushi Kogyo Co.: 1 patents #13 of 37Top 40%
Denso: 1 patents #6,940 of 11,792Top 60%
KLKawasumi Laboratories: 1 patents #37 of 106Top 35%
AUAtsugi Unisia: 1 patents #44 of 117Top 40%
Nichia: 1 patents #1,005 of 1,531Top 70%
NINifco: 1 patents #245 of 650Top 40%
NLNippon Unicar Company Limited: 1 patents #29 of 69Top 45%
Yokohama, OR: #4 of 7 inventorsTop 60%
Overall (All Time): #5,857 of 4,157,543Top 1%
154 Patents All Time

Issued Patents All Time

Showing 151–154 of 154 patents

Patent #TitleCo-InventorsDate
D301581 Facsimile transceiver/receiver 1989-06-13
4798490 Method for using and reusing correction tape assembly 1989-01-17
4684272 Spool for correction tape assembly 1987-08-04
4518128 Correction tape take-up spool assembly for typewriter 1985-05-21