KO

Katsuo Ohki

HI Hitachi: 1 patents #867 of 2,942Top 30%
📍 Ibaraki, JP: #166 of 586 inventorsTop 30%
Overall (1997): #122,204 of 185,788Top 70%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5689572 Method of actively controlling noise, and apparatus thereof Shinichi Shimode, Yukiji Iwase, Osamu Sekiguchi, Masanori Watanabe, Takahiro Daikoku +2 more 1997-11-18