YH

Yoshihiro Hirota

SI Sumitomo Metal Industries: 3 patents #1 of 138Top 1%
HI Hokuto Electronics Incorporated: 1 patents #1 of 5Top 20%
Overall (2002): #18,212 of 266,432Top 7%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6373264 Impedance detection apparatus and method of physical variable Toshiyuki Matsumoto, Muneo Harada, Takaya Miyano 2002-04-16
6348809 Microscopic capacitance measurement system and probing system Toshiyuki Matsumoto 2002-02-19
6335642 Impedance-to-voltage converter Tatsuo Hiroshima, Koichi Nakano, Muneo Harada, Toshiyuki Matsumoto 2002-01-01