YK

Yasutsugu Kawaguchi

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
📍 Tochigi, JP: #1,056 of 2,789 inventorsTop 40%
Overall (All Time): #1,654,950 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5327064 Brushless motor incorporating an integrated circuit having a single chip peripheral circuit Noriaki Arakawa, Makoto Isii 1994-07-05
5245522 Power supply controlled to supply load current formed as sine wave Makoto Ishii 1993-09-14
4810943 Method and apparatus for controlling air-conditioning apparatus Kiyoshi Fuji, Takeshi Mitsuta, Kiyoshi Nagasawa 1989-03-07