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Ken-Ichiro Ohta — 2 Patents

GRGraphtec: 1 patents #22 of 62Top 40%
Tokyo, JP: #44,108 of 90,295 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Ken-Ichiro Ohta has been granted 2 US patents while listed as an inventor at Graphtec. The first was granted in 1982 and the most recent in January 1986. Ken-Ichiro Ohta ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Ken-Ichiro Ohta in Tokyo, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4565918 Heating circuit for a thermal recording-pen Hideaki Ayabe, Takeshi Toyosawa, Shigeo Ikeda 1986-01-21
4318110 Multi-channel recording instrument Kinzo Iino, Hiroshi Aibe 1982-03-02

Frequent Collaborators

Hiroshi Aibe1 shared
Kinzo Iino1 shared
Shigeo Ikeda1 shared
Hideaki Ayabe1 shared
Takeshi Toyosawa1 shared

Nearby-Ranked Inventors

Leonard Mattheis2
Yiqi SHI2
Roberto DiCecco2
Haoneng Xu2
Emily Chew2
So Young Bae2
Julian Alexander Georgi2
Yoshihiro Asahara2
Assaf Ariel2