YH

Yasuji Hiramatsu

IC Ibiden Co.: 54 patents #8 of 730Top 2%
IC Ishikawa Gasket Co.: 1 patents #27 of 48Top 60%
Overall (All Time): #46,298 of 4,157,543Top 2%
55
Patents All Time

Issued Patents All Time

Showing 26–50 of 55 patents

Patent #TitleCo-InventorsDate
6900149 Carbon-containing aluminum nitride sintered compact and ceramic substrate for use in equipment for manufacturing or inspecting semiconductor Yasutaka Ito 2005-05-31
6891263 Ceramic substrate for a semiconductor production/inspection device Yasutaka Ito 2005-05-10
6888236 Ceramic substrate for manufacture/inspection of semiconductor Yasutaka Ito, Atsushi Ozaki 2005-05-03
6888106 Ceramic heater 2005-05-03
6887316 Ceramic heater Yasutaka Ito 2005-05-03
6884972 Ceramic plate for a semiconductor producing/inspecting apparatus Yasutaka Ito 2005-04-26
6878907 Ceramic substrate and process for producing the same Yasutaka Ito 2005-04-12
6861620 Ceramic heater Yasutaka Ito 2005-03-01
6861165 Aluminum nitride sintered compact, ceramic substrate, ceramic heater and electrostatic chuck Yasutaka Ito 2005-03-01
6835916 Ceramic heater Yasutaka Ito 2004-12-28
6835895 Printed wiring board and method for manufacturing the same Motoo Asai 2004-12-28
6825555 Hot plate Yasutaka Ito 2004-11-30
6815646 Ceramic substrate for semiconductor manufacture/inspection apparatus, ceramic heater, electrostatic clampless holder, and substrate for wafer prober Yasutaka Ito 2004-11-09
6809299 Hot plate for semiconductor manufacture and testing Yasutaka Ito 2004-10-26
6753601 Ceramic substrate for semiconductor fabricating device Yasutaka Ito 2004-06-22
6731496 Electrostatic chuck Yasutaka Ito 2004-05-04
6717116 Semiconductor production device ceramic plate Yasutaka Ito 2004-04-06
6710307 Ceramic heater Yasutaka Ito 2004-03-23
6677557 Ceramic heater Yasutaka Ito 2004-01-13
6609297 Method of manufacturing multilayer printed wiring board Motoo Asai, Naohiro Hirose, Takashi Kariya 2003-08-26
6586686 Multilayer printed wiring board and method for manufacturing the same Ryo Enomoto 2003-07-01
6518513 Single-sided circuit board and method for manufacturing the same Ryo Enomoto 2003-02-11
6507006 Ceramic substrate and process for producing the same Yasutaka Ito 2003-01-14
6465763 Ceramic heater Yasutaka Ito 2002-10-15
6251502 Multilayer printed circuit board, method of producing multilayer printed circuit board and resin filler Toshihiko Yasue, Hideki Yano, Yoshifumi Ishitani, Yoichiro Kawamura, Hideki Murase +3 more 2001-06-26