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USPTO Patent Rankings Data through Dec 31, 2025
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Kiichi Kakei — 1 Patent

ICIsel Co.: 1 patents #8 of 11Top 75%
Osaka, JP: #16,075 of 24,344 inventorsTop 70%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Kiichi Kakei has been granted 1 US patent while listed as an inventor at Isel Co.. All of these patents were granted in 2015. Kiichi Kakei ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Kiichi Kakei in Osaka, JP.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9162318 Friction stir processing apparatus and friction stir processing method Sachio Oki, Tomotake Hirata, Takayuki Takasugi, Yasuyuki Kaneno, Noboru Mochizuki +1 more 2015-10-20