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Hitoshi Ohnuma — 1 Patent

HEHitachi Tool Engineering: 1 patents #13 of 41Top 35%

Narita, JP: #104 of 151 inventorsTop 70%

Overall (All Time): #2,406,284 of 4,157,543Top 60%

1 Patents All Time

Hitoshi Ohnuma has been granted 1 US patent while listed as an inventor at Hitachi Tool Engineering. All of these patents were granted in 2012. Hitoshi Ohnuma ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Hitoshi Ohnuma in Narita, JP.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
8304098	Hard-coated member, and its production method	Kazuyuki Kubota	2012-11-06

Hitoshi Ohnuma — 1 Patent

Issued Patents All Time

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