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USPTO Patent Rankings Data through Dec 31, 2025
Home › Oki Data › Kenji Koido
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Kenji Koido — 14 Patents

ODOki Data: 14 patents #34 of 635Top 6%
Tokyo, JP: #11,195 of 90,295 inventorsTop 15%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Kenji Koido has been granted 14 US patents while listed as an inventor at Oki Data. The first was granted in 2003 and the most recent in October 2019. Kenji Koido ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Kenji Koido in Tokyo, JP.

Patents per Year

Patents granted per year, 2003 to 2019Bar chart with a peak of 2 patents in 2007.peak 22003: 1 patents20032006: 1 patents20062007: 2 patents20072010: 1 patents20102011: 1 patents20112012: 2 patents20122013: 2 patents20132014: 1 patents20142015: 2 patents20152019: 1 patents2019

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
10437184 Image forming apparatus — 2019-10-08
9207556 Image formation apparatus having cleaning mode to clean charging device configured to charge image carrier Tsutomu Kosasa 2015-12-08
9134648 Image forming unit and image forming apparatus — 2015-09-15
8903281 Image forming apparatus including an image forming unit with white developer — 2014-12-02
8447222 Image forming unit with developer collector contacting image carrier at predetermined contact pressure, and image forming device — 2013-05-21
8401453 Cleaning device and image forming apparatus — 2013-03-19
8285162 Image forming apparatus that includes a first developing device that holds a black developer and a second developing device that holds a gray developer — 2012-10-09
8182972 Developer, developer storage unit, developing device, and image forming apparatus — 2012-05-22
8086125 Image forming apparatus that includes a first developing device that holds a black developer and a second developing device that holds a gray developer — 2011-12-27
7745086 Developer material, developer material cartridge, image forming device, and image forming apparatus — 2010-06-29
7286781 Developer, image forming method and image forming apparatus — 2007-10-23
7282315 Developer, developer cartridge, and image forming apparatus Toru Ishihara 2007-10-16
7090954 Developer, developer cartridge, and image forming apparatus Toru Ishihara 2006-08-15
6661988 Image-forming apparatus having a silicone roller to prevent filming effect Toru Ishihara 2003-12-09

Frequent Collaborators

Toru Ishihara3 shared
Tsutomu Kosasa1 shared

Nearby-Ranked Inventors

Ke PAN14
Naor Radami14
Jason Harris14
Gwangjae Jeon14
Masao Zen14
Yoshihiro YAMASAKI14
Sanjay Vakil14
Samuel Bartlett14
Taketoshi Okuno14