Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Shigeyuki Enkaku — 7 Patents

MIMitsuba: 5 patents #70 of 618Top 15%
MCMitsuba Electric Manufacturing Co.: 2 patents #43 of 176Top 25%
Kiryu City, JP: #50 of 360 inventorsTop 15%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Shigeyuki Enkaku has been granted 7 US patents while listed as an inventor at Mitsuba. The first was granted in 1995 and the most recent in November 2018. Shigeyuki Enkaku ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Shigeyuki Enkaku in Kiryu City, JP.

Patents per Year

Patents granted per year, 1995 to 2018Bar chart with a peak of 1 patents in 1995.peak 11995: 1 patents19951996: 1 patents19962011: 1 patents20112012: 1 patents20122013: 1 patents20132015: 1 patents20152018: 1 patents2018

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
10128720 Electric motor and electric pump Masaki Ishizeki, Yoichi Shindo, Shinji Shibuya, Ken Hirota, Atsushi Takahashi +4 more 2018-11-13
8967003 Engine starter Hitoshi Ono, Tomohiko Ikemori, Chihiro Horikoshi, Shinya Saito, Shigehiro Kanbe 2015-03-03
8511186 Engine starter Hitoshi Ono, Tomohiko Ikemori, Chihiro Horikoshi, Shinya Saito, Shigehiro Kanbe 2013-08-20
8215195 Engine starter Masataka Odagiri, Tomohiko Ikemori, Hitoshi Ono, Yoshikazu Sato, Hiroshi Ooka 2012-07-10
8069740 Starter motor Shinya Saito, Chihiro Horikoshi, Hitoshi Ono 2011-12-06
5548260 Contact assembly for a magnetic switch Mitsuhiro Kogure, Shinichi Nagashima, Kazuhisa Wakabayashi, Hitoshi Shimayama, Minoru Kimura +2 more 1996-08-20
5467632 Method for fabricating a contact assembly of a magnetic switch Mitsuhiro Kogure, Shinichi Nagashima, Kazuhisa Wakabayashi, Hitoshi Shimayama, Minoru Kimura +2 more 1995-11-21