MH

Masamichi Hanada

HI Hitachi: 1 patents #856 of 3,149Top 30%
Overall (1994): #97,321 of 165,921Top 60%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5343713 Active noise control apparatus for three-dimensional space Shinya Okabe, Shinichi Shimode, Ryouji Sato, Takao Senshu, Hirokiyo Terada +3 more 1994-09-06