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USPTO Patent Rankings Data through Dec 31, 2025
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Ken Kozima — 3 Patents

Casio Computer Co.: 3 patents #744 of 1,970Top 40%
Tokyo, JP: #36,070 of 90,295 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Ken Kozima has been granted 3 US patents while listed as an inventor at Casio Computer Co.. The first was granted in 1990 and the most recent in June 1992. Ken Kozima ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Ken Kozima in Tokyo, JP.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5126868 Color compensated double layered liquid crystal display device Seiichi Kizaki, Toshiomi Ono, Mikiya Itakura, Toshihiro Aoki 1992-06-30
4944577 Liquid crystal display device Tetsushi Yoshida 1990-07-31
4913532 Liquid crystal composition and liquid crystal display device using the same Tetsushi Yoshida 1990-04-03