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USPTO Patent Rankings Data through Dec 31, 2025
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Bunzo Ueda — 2 Patents

KOKonica: 1 patents #1,290 of 1,958Top 70%
KCKonishiroku Photo Industry Co.: 1 patents #532 of 894Top 60%
Odawara, JP: #894 of 1,597 inventorsTop 60%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Bunzo Ueda has been granted 2 US patents while listed as an inventor at Konica. The first was granted in 1990 and the most recent in February 1991. Bunzo Ueda ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Bunzo Ueda in Odawara, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4990432 Silver halide photographic light-sensitive material having a reflective base and an antihalation layer having a specified thickness Hajime Komatsu, Susumu Ohkawachi, Yasuo Tosaka, Keiichi Hoshimo 1991-02-05
4939078 Direct positive-type silver halide light-sensitive photographic material Kazuya Kuramoto, Yasuo Tosaka 1990-07-03