HK

Harumi Kanai

MC Mitsubishi Mining & Cement Co.: 2 patents #30 of 110Top 30%
Overall (All Time): #2,310,064 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5142511 Piezoelectric transducer Yoshiaki Tanaka, Kazuyasu Hikita 1992-08-25
5122993 Piezoelectric transducer Kazuyasu Hikita, Yoshiaki Tanaka 1992-06-16