KO

Katsuhiro Onuki

MC Mitsubishi Mining & Cement Co.: 1 patents #46 of 110Top 45%
VJ Victor Company Of Japan: 1 patents #818 of 1,489Top 55%
Overall (All Time): #4,024,102 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4550797 Loudspeaker diaphragm made of a molded, sintered ceramic body Kiyoaki Suzuki, Hidetsugu Suzuki, Isami Nomoto, Yoshiaki Fukuda, Takeshi Sato 1985-11-05