TU

Takayuki Umaba

DC Dainippon Screen Mfg. Co.: 4 patents #193 of 977Top 20%
SS Sankyo Seiki Seisakusho: 1 patents #122 of 287Top 45%
Overall (All Time): #889,046 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5688324 Apparatus for coating substrate 1997-11-18
5373786 Metal mask plate for screen printing 1994-12-20
5152219 Screen process printing apparatus using a screen reinforced by strips Hideki Adachi, Makoto Sawada, Mokuhei Hashimoto, Hirofumi Shimizu, Jiro Ono +4 more 1992-10-06
5111743 Screen process printing plate for printing with high precision Jiro Ono, Syunsuke Takagi, Makoto Sawada, Hideki Adachi, Hirofumi Shimizu +2 more 1992-05-12
4746857 Probing apparatus for measuring electrical characteristics of semiconductor device formed on wafer Takamasa Sakai, Motohiro Kono, Yoshiyuki Nakagawa, Yoshihiro Koyama 1988-05-24
4314292 Magnetic recording or reproducing apparatus 1982-02-02