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Ken Sonogi — 2 Patents

Bridgestone: 2 patents #1,066 of 2,860Top 40%
OCOtsuka Chemical Co.: 2 patents #85 of 269Top 35%
Tokushima, JP: #549 of 1,059 inventorsTop 55%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Ken Sonogi has been granted 2 US patents while listed as an inventor at Bridgestone. All of these patents were granted in 2003. Ken Sonogi ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Ken Sonogi in Tokushima, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6667356 Rubber composition Daisuke Nohara, Jingo Shirasaka, Akinori Oka, Hiroaki Tokuda 2003-12-23
6515055 Rubber composition Daisuke Nohara, Jingo Shirasaka, Akinori Oka, Hiroaki Tokuda 2003-02-04

Frequent Collaborators

Hiroaki Tokuda2 shared
Jingo Shirasaka2 shared
Daisuke Nohara2 shared
Akinori Oka2 shared

Nearby-Ranked Inventors

Leonard Mattheis2
Yiqi SHI2
Roberto DiCecco2
Haoneng Xu2
Emily Chew2
So Young Bae2
Julian Alexander Georgi2
Yoshihiro Asahara2
Assaf Ariel2