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Ken Koiwa — 1 Patent

AEAlpine Electronics: 1 patents #279 of 637Top 45%

Iwaki, JP: #409 of 693 inventorsTop 60%

Overall (All Time): #2,406,284 of 4,157,543Top 60%

1 Patents All Time

Ken Koiwa has been granted 1 US patent while listed as an inventor at Alpine Electronics. All of these patents were granted in 2020. Ken Koiwa ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Ken Koiwa in Iwaki, JP.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
10583789	Fixing device for panel member	Shigeyuki Oshima	2020-03-10

Ken Koiwa — 1 Patent

Issued Patents All Time

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