Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Kiyotaka Ota — 1 Patent

AAArray Printers Ab: 1 patents #24 of 49Top 50%
Ricoh Company: 1 patents #6,943 of 9,818Top 75%
Saitama, JP: #6,779 of 10,685 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Kiyotaka Ota has been granted 1 US patent while listed as an inventor at Array Printers Ab. All of these patents were granted in 2002. Kiyotaka Ota ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Kiyotaka Ota in Saitama, JP.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6398345 Image forming method and an apparatus for the same, and a cleaning device Katsuo Sakai, Takahiko Tokumasu, Kiyoshi Ohshima, Osamu Endo, Per Klockar +1 more 2002-06-04