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USPTO Patent Rankings Data through Dec 31, 2025
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Nin Kake — 5 Patents

Panasonic: 3 patents #7,659 of 21,108Top 40%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Takarazuka, JP: #201 of 651 inventorsTop 35%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Nin Kake has been granted 5 US patents while listed as an inventor at Panasonic. The first was granted in 1985 and the most recent in February 2015. Nin Kake ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Nin Kake in Takarazuka, JP.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8958923 Distributed power supply system and control method thereof Shinji Miyauchi, Hiroaki Kaku, Keiichi Sato, Hiroshi Nagasato, Akihito Ootani +3 more 2015-02-17
8751055 Distributed power supply system Hiroaki Kaku, Keiichi Sato, Hiroshi Nagasato, Akihito Ootani 2014-06-10
8625318 Power converter and fuel cell system including the same Keiichi Sato, Hiroaki Kaku, Hiroshi Nagasato, Akihito Ootani, Toru Kushisaka 2014-01-07
5319294 Apparatus for automatically adjusting offset correction values for current detectors Masahiro Ohto, Hisashi Kinoshita, Yoshihiro Ino 1994-06-07 $65,000
4523134 Control system for DC motors Hisashi Kinoshita, Hideki Yoshitake 1985-06-11 $82,000