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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ryosuke Utaka — 16 Patents

Denso: 15 patents #687 of 11,792Top 6%
ACAisin Aw Co.: 2 patents #784 of 2,011Top 40%
Toyota: 2 patents #11,016 of 26,838Top 45%
Takahama, JP: #18 of 145 inventorsTop 15%
Overall (All Time): #284,196 of 4,157,543Top 7%
16 Patents All Time
Ryosuke Utaka has been granted 16 US patents while listed as an inventor at Denso. The first was granted in 2008 and the most recent in July 2018. Ryosuke Utaka ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list Ryosuke Utaka in Takahama, JP.

Patents per Year

Patents granted per year, 2008 to 2018Bar chart with a peak of 7 patents in 2014.peak 72008: 1 patents20082011: 1 patents20112012: 1 patents20122013: 3 patents20132014: 7 patents20142016: 1 patents20162017: 1 patents20172018: 1 patents2018

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10024293 System for controlling torque applied to rotating shaft of engine Tatsuya Fujita, Mitsuhiro Murata 2018-07-17
9762156 Control apparatus for rotating electric machine Kiyoshi Fujii 2017-09-12
9231445 Rotor for the electric machine Shinya Sano, Ken Takeda, Tomohiro Inagaki, Shinichi Otake, Tsuyoshi Miyaji +1 more 2016-01-05 $970,000
8921736 Method of welding coil end of stator of electric rotating machine Atsuo Ishizuka 2014-12-30
8884487 Stator for electric rotating machine Tomokazu Hisada 2014-11-11
8878410 Rotor with reinforcing portions for an electric rotating machine 2014-11-04
8772996 Stator for electric rotating machine 2014-07-08
8680735 Segment core forming stator core of rotary electric machine and method for manufacturing the segment core 2014-03-25
8674577 Stator for electric rotating machine 2014-03-18
8659201 Stator for electric rotating machine Atsushi Umeda 2014-02-25
8618709 Rotary electric machine with improved energy efficiency Tomohiro Inagaki, Ken Takeda, Shinichi Otake, Tsuyoshi Miyaji, Yuta Watanabe +2 more 2013-12-31 $1,372,000
8415856 Rotor for electric rotating machine Tomokazu Hisada 2013-04-09
8410657 Mounting-structure of stator core adapted to rotating electrical machine 2013-04-02
8225484 Method of manufacturing stator for electric rotating machine 2012-07-24
7893590 Stator having high assembly Shigenobu Nakamura 2011-02-22
7362025 Internal permanent magnet rotor having improved configuration of magnetic flux barriers 2008-04-22