SS

Seiichi Sakawa

DK Denki Kagaku Kogyo: 4 patents #65 of 655Top 10%
AD Advantest: 1 patents #714 of 1,193Top 60%
Overall (All Time): #1,237,721 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7969080 Electron source Yoshinori Terui 2011-06-28
7919750 Electron gun, electron beam exposure apparatus, and exposure method Hiroshi Yasuda, Takeshi Haraguchi, Yoshihisa Ooae, Takamasa Satoh, Yoshinori Terui +1 more 2011-04-05
7722425 Electron source manufacturing method Yoshinori Terui 2010-05-25
6630794 METHOD FOR DETERMINING AN OPERATIONAL CONDITION OF A THERMAL FIELD ELECTRON EMITTER, A METHOD FOR OPERATING THE THERMAL FIELD ELECTRON EMITTER AND AN ELECTRON BEAM UTILIZING SYSTEM HAVING THE THERMAL FIELD ELECTRON EMITTER Yoshinori Terui 2003-10-07