HK

Haruo Kumada

YC Yutaka Electric Mfg. Co.: 1 patents #9 of 19Top 50%
Overall (All Time): #3,743,395 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5519306 Constant voltage circuit and a stabilized power supply unit Koichi Itoh 1996-05-21