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Hiroaki Doi

HI Hitachi: 1 patents #1,056 of 3,189Top 35%
📍 Ibaraki, JP: #180 of 626 inventorsTop 30%
Overall (2005): #190,576 of 245,428Top 80%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6889516 Cooling system for motor and cooling control method Kaname Sasaki, Haruki Hamada, Masaaki Hayashi, Ryuichi Saito 2005-05-10