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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Kenzo Sauda — 3 Patents

JGJgc: 3 patents #35 of 393Top 9%
KCKyushu Electric Power Co.: 1 patents #56 of 151Top 40%
Yokohama, JP: #22,013 of 49,234 inventorsTop 45%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Kenzo Sauda has been granted 3 US patents while listed as an inventor at Jgc. The first was granted in 1987 and the most recent in February 1990. Kenzo Sauda ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Kenzo Sauda in Yokohama, JP.

Patents per Year

Patents granted per year, 1987 to 1990Bar chart with a peak of 1 patents in 1987.peak 11987: 1 patents19871988: 1 patents19881990: 1 patents1990

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4904416 Cement solidification treatment of spent ion exchange resins Rey Sudo, Norimitsu Kurumada, Fukuzo Todo, Masao Hara 1990-02-27
4772430 Process for compacting and solidifying solid waste materials, apparatus for carrying out the process and overall system for disposal of such waste materials Akitoshi Yokota, Takuro Yagi, Saburo Kita, Hiroshi Kuribayashi, Yoshihiko Uchida 1988-09-20
4661290 Apparatus for compacting solid waste materials and its accessory facilities Akitoshi Yokota, Takuro Yagi, Hiroshi Kuribayashi, Saburo Kita, Setsuo Shibata +1 more 1987-04-28