Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Mamoru Watanabe — 81 Patents

SISeiko Instruments: 29 patents #36 of 1,437Top 3%
Fujitsu Limited: 7 patents #4,529 of 24,456Top 20%
Panasonic: 4 patents #6,210 of 21,108Top 30%
AKAsahi Kasei Kabushiki Kaisha: 4 patents #111 of 1,220Top 10%
IKIshihara Sangyo Kaisha: 4 patents #97 of 403Top 25%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
Mitsubishi Electric: 3 patents #8,691 of 25,717Top 35%
ACAsahi Kasei Chemicals: 2 patents #152 of 543Top 30%
HDHoshizaki Denki: 2 patents #79 of 203Top 40%
JTJapan Tobacco: 2 patents #330 of 1,187Top 30%
NTNtn: 1 patents #814 of 1,364Top 60%
RIRiken: 1 patents #679 of 1,824Top 40%
NSNational Institute For Materials Science: 1 patents #361 of 901Top 45%
LILexmark International: 1 patents #1,041 of 1,615Top 65%
TCTokuden Co.: 1 patents #13 of 20Top 65%
VJVictor Company Of Japan: 1 patents #818 of 1,489Top 55%
HHHitachi High-Technologies: 1 patents #1,617 of 1,917Top 85%
ACAsahi Kasei Kogyo Co.: 1 patents #565 of 1,395Top 45%
Sony: 1 patents #17,321 of 25,231Top 70%
Chiyoda, JP: #17 of 1,712 inventorsTop 1%
Overall (All Time): #22,096 of 4,157,543Top 1%
81 Patents All Time
Mamoru Watanabe has been granted 81 US patents while listed as an inventor at Seiko Instruments. The first was granted in 1981 and the most recent in July 2024. Mamoru Watanabe ranks #22,096 of 4,157,543 US inventors in our database (top 0.53%). Patent records list Mamoru Watanabe in Chiyoda, JP.

Issued Patents All Time

Showing 1–25 of 81 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12048414 Medical support system, medical support device, and medical support method Shiori Sasada, Kento Takenaka, Kazuo Ohtsuka 2024-07-30 $1,044,000
11035657 Threaded-hole inspection device Mamoru Hara, Yasuo Sato, Atsushi Sato, Tetsuya Horiuchi, Teruyuki Miyashita +3 more 2021-06-15
10779364 Induction heated roll apparatus Takatsugu Kitano, Toru Tonomura 2020-09-15
10053402 Method for producing conjugated diolefin Hideo Midorikawa 2018-08-21
9851006 Taper-faced compression ring and wire therefor 2017-12-26
9809511 Method for producing conjugated diolefin Hideo Midorikawa 2017-11-07
9577488 Drive unit integrated rotating electrical machine Isao Sonoda, Yoshihito Asao, Katsuhiko Omae, Tetsushi Watanabe 2017-02-21
9129931 Power semiconductor module and power unit device Katsuhiko Omae, Tetsushi Watanabe, Yoshihito Asao 2015-09-08
8861313 Calendar mechanism and timepiece having the same Shigeo Suzuki 2014-10-14
8613289 Dishwasher with a reinforcement member Yoshimasa Tameishi, Kouji Suyama 2013-12-24
8284632 Calendar mechanism equipped timepiece including two date indicators 2012-10-09
8262429 Method and apparatus for producing plasma display panel Masafumi Okawa, Yoshiki Sasaki, Takeo Funaoka, Toshiyuki Watanabe, Masaki Nishinaka +2 more 2012-09-11 $62,000
8264912 Watch with calendar mechanism having two date indicators 2012-09-11
D664565 Power steering motor for vehicle Isao Sonoda, Yoshihito Asao, Katsuhiko Omae, Satoru Akutsu 2012-07-31
8163386 Fine hollow powder thin flaky titanium oxide powder obtained by pulverization of the fine hollow powder and processes for producing the same Takayoshi Sasaki, Yuichi Michiue, Masaki Iida 2012-04-24
8111587 Watch with calendar mechanism equipped with month indicator and date indicator 2012-02-07
8059492 Calendar mechanism-attached timepiece having month indicator and date indicator 2011-11-15
8052972 Remedies for inflammatory bowel diseases 2011-11-08
7947249 Fine hollow powder, thin flaky titanium oxide powder obtained by pulverization of the fine hollow powder and processes for producing the same Takayoshi Sasaki, Yuichi Michiue, Masaki Iida 2011-05-24
7943114 Fine hollow powder, thin flaky titanium oxide powder obtained by pulverization of the fine hollow powder and processes for producing the same Takayoshi Sasaki, Yuichi Michiue, Masaki Iida 2011-05-17
7718922 Optical processing apparatus Tomoko Fukunaka, Masashi Ishiguro, Kazuhiko Yamashita, Masahiro Sato, Ryoji Inutsuka +2 more 2010-05-18 $117,000
7663073 Optical processing apparatus Masahiro Sato, Masashi Ishiguro, Tomoko Fukunaka, Kazuhiko Yamashita, Ryoji Inutsuka +2 more 2010-02-16 $211,000
7614784 Residual wound quantity display mechanism of timepiece and timepiece with residual wound quantity display mechanism 2009-11-10 $29,793,000
7609588 Multifunctional clock capable of realizing plurality of movement layouts Takeshi Tokoro, Kei Hirano 2009-10-27 $46,496,000
7531160 Fine hollow powder, thin flaky titanium oxide powder obtained by pulverization of the fine hollow powder and processes for producing the same Takayoshi Sasaki, Yuichi Michiue, Masaki Iida 2009-05-12