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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
KA

Kazuo Azami — 3 Patents

Sony: 3 patents #10,793 of 25,231Top 45%
Saitama, JP: #4,031 of 10,685 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Kazuo Azami has been granted 3 US patents while listed as an inventor at Sony. The first was granted in 1992 and the most recent in November 2003. Kazuo Azami ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Kazuo Azami in Saitama, JP.

Patents per Year

Patents granted per year, 1992 to 2003Bar chart with a peak of 1 patents in 1992.peak 11992: 1 patents19921998: 1 patents19982003: 1 patents2003

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6644863 Angled optical fiber connector Yukio Kaneko, Hiromu Yorozu 2003-11-11 $942,000
5835612 Speaker apparatus Masao Fujihira, Makoto Yamagishi 1998-11-10 $247,000
5115473 Transducer having two ducts Makoto Yamagishi, Masao Fujihira, Ikuo Shinohara 1992-05-19 $141,000