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USPTO Patent Rankings Data through Dec 31, 2025
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Kunihisa Tabuchi — 1 Patent

KOKonica: 1 patents #1,290 of 1,958Top 70%
Nanbu, JP: #741 of 1,154 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Kunihisa Tabuchi has been granted 1 US patent while listed as an inventor at Konica. All of these patents were granted in 1999. Kunihisa Tabuchi ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Kunihisa Tabuchi in Nanbu, JP.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5918976 Mixing method Katuya Hashimoto, Toshiyuki Hagiwara, Masami Akiyama, Nobuhiko Sano 1999-07-06