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 1–25 of 55 patents

Patent #TitleCo-InventorsDate
8614898 Printed wiring board, electronic device, and printed wiring board manufacturing method Yuki Terada, Tetsuya Muraki 2013-12-24
RE43509 Printed wiring board and method for manufacturing the same Motoo Asai, Yoshinori Wakihara, Kazuhito Yamada 2012-07-17
7761984 Process for producing multi-layer printed wiring board Motoo Asai, Naohiro Hirose, Takashi Kariya 2010-07-27
7732732 Laser machining apparatus, and apparatus and method for manufacturing a multilayered printed wiring board 2010-06-08
7721427 Method for manufacturing single sided substrate Ryo Enomoto 2010-05-25
7712212 Method for manufacturing printed wiring board Motoo Asai 2010-05-11
7667160 Laser machining apparatus, and apparatus and method for manufacturing a multilayered printed wiring board 2010-02-23
7615162 Printed wiring board and method for manufacturing the same Motoo Asai, Yoshinori Wakihara, Kazuhito Yamada 2009-11-10
7462802 Laser machining apparatus, and apparatus and method for manufacturing a multilayered printed wiring board 2008-12-09
7462801 Laser machining apparatus, and apparatus and method for manufacturing a multilayered printed wiring board 2008-12-09
7456372 Laser machining apparatus, and apparatus and method for manufacturing a multilayered printed wiring board 2008-11-25
7385146 Printed wiring board and method for manufacturing the same Motoo Asai 2008-06-10
7375289 Multi-layer printed wiring board including an alignment mark as an index for a position of via holes Motoo Asai, Naohiro Hirose, Takashi Kariya 2008-05-20
7361849 Printed wiring board and method for manufacturing the same Motoo Asai 2008-04-22
7127812 Process for producing a multi-layer printed wiring board Motoo Asai, Naohiro Hirose, Takashi Kariya 2006-10-31
7084376 Semiconductor production device ceramic plate Yasutaka Ito 2006-08-01
7078655 Ceramic substrate, ceramic heater, electrostatic chuck and wafer prober for use in semiconductor producing and inspecting devices Yasutaka Ito 2006-07-18
7071551 Device used to produce or examine semiconductors Yasutaka Ito 2006-07-04
7015166 Carbon-containing aluminum nitride sintered compact and ceramic substrate for use in equipment for manufacturing or inspecting semiconductor Yasutaka Ito 2006-03-21
7011874 Ceramic substrate for semiconductor production and inspection devices Yasutaka Ito 2006-03-14
6964812 Carbon-containing aluminum nitride sintered compact and ceramic substrate for use in equipment for manufacturing or inspecting semiconductor Yasutaka Ito 2005-11-15
6960743 Ceramic substrate for semiconductor manufacturing, and method of manufacturing the ceramic substrate Yasutaka Ito 2005-11-01
6956186 Ceramic heater Yasutaka Ito 2005-10-18
6936343 Ceramic substrate Yasutaka Ito 2005-08-30
6929874 Aluminum nitride sintered body, ceramic substrate, ceramic heater and electrostatic chuck Yasutaka Ito 2005-08-16