YK

Yoshinori Kokubu

AC Asahi Glass Co.: 5 patents #403 of 2,251Top 20%
IC Iwaki Glass Company: 1 patents #17 of 26Top 70%
Overall (All Time): #1,064,274 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4665039 Porous glass, process for its production and glass material used for the production Jiro Chiba, Kozo Saita 1987-05-12
4640900 Low expansion glass Makoto Moriyasu 1987-02-03
4624934 Ceramic composition for multilayer printed wiring board Jiro Chiba 1986-11-25
4593006 Composition for multilayer printed wiring board Mitsuo Takabatake, Jiro Chiba 1986-06-03
4405722 Sealing glass compositions Jiro Chiba, Nobuyoshi Ichimura, Takashi Iwai, Toshiyasu Kawaguchi 1983-09-20