Yoshio Katagiri

SC Seiko Electronic Components: 1 patents #18 of 47Top 40%

SI Seiko Instruments: 1 patents #836 of 1,437Top 60%

SC Sumitomo Cement Co.: 1 patents #32 of 113Top 30%

Overall (All Time): #3,888,241 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5059388	Process for manufacturing sintered bodies	Hiroshi Kihara, Eiki Arai, Shigeaki Ogata, Katsuyuki Fujita, Tadahiko Wachigai +1 more	1991-10-22