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USPTO Patent Rankings Data through Dec 31, 2025
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Junko Satake — 2 Patents

NINidec: 2 patents #402 of 976Top 45%
Ugo, JP: #76 of 203 inventorsTop 40%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Junko Satake has been granted 2 US patents while listed as an inventor at Nidec. The first was granted in 1997 and the most recent in October 1998. Junko Satake ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Junko Satake in Ugo, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5821646 Spindle motor with seal structure Masanobu Chuta, Hiroshi Matsumoto, Hiromi Iida, Koji Tomita 1998-10-13
5596235 Spindle motor with seal structure Asao Yazaki, Masanobu Chuta, Hiroshi Matsumoto, Hiromi Iida, Koji Tomita 1997-01-21