YI

Yasutaka Ito

IC Ibiden Co.: 9 patents #2 of 29Top 7%
TL Tokyo Electron Limited: 1 patents #120 of 414Top 30%
Overall (2004): #1,358 of 270,089Top 1%
10
Patents 2004

Issued Patents 2004

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
6835916 Ceramic heater Yasuji Hiramatsu 2004-12-28
6825555 Hot plate Yasuji Hiramatsu 2004-11-30
6815646 Ceramic substrate for semiconductor manufacture/inspection apparatus, ceramic heater, electrostatic clampless holder, and substrate for wafer prober Yasuji Hiramatsu 2004-11-09
6809299 Hot plate for semiconductor manufacture and testing Yasuji Hiramatsu 2004-10-26
6753601 Ceramic substrate for semiconductor fabricating device Yasuji Hiramatsu 2004-06-22
6731496 Electrostatic chuck Yasuji Hiramatsu 2004-05-04
6717116 Semiconductor production device ceramic plate Yasuji Hiramatsu 2004-04-06
6710307 Ceramic heater Yasuji Hiramatsu 2004-03-23
6686570 Hot plate unit Masakazu Furukawa, Jo SAITO 2004-02-03
6677557 Ceramic heater Yasuji Hiramatsu 2004-01-13