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Sumio Takeuchi — 2 Patents

NINisca: 1 patents #235 of 371Top 65%
Sony: 1 patents #17,321 of 25,231Top 70%
Shisui, JP: #417 of 812 inventorsTop 55%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Sumio Takeuchi has been granted 2 US patents while listed as an inventor at Nisca. The first was granted in 1982 and the most recent in October 2007. Sumio Takeuchi ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Sumio Takeuchi in Shisui, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7287864 Light amount adjusting device and projector using the same Masahide Shirasu, Kazuhiro Fukasawa, Akira Hakozaki 2007-10-30
4345241 Analog-to-digital conversion method and apparatus Rikichi Murooka, Jun Sakamoto 1982-08-17

Frequent Collaborators

Masahide Shirasu1 shared
Rikichi Murooka1 shared
Kazuhiro Fukasawa1 shared
Jun Sakamoto1 shared
Akira Hakozaki1 shared

Nearby-Ranked Inventors

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