YK

Yoichiro Kawamura

IC Ibiden Co.: 26 patents #23 of 730Top 4%
Overall (All Time): #155,394 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
9040843 Multilayer printed wiring board Yukihiko Toyoda, Tomoyuki Ikeda 2015-05-26
8832935 Method of manufacturing a printed wiring board Shigeki Sawa, Katsuhiko Tanno, Hironori Tanaka, Naoaki Fujii 2014-09-16
8624132 Printed wiring board Shigeki Sawa, Katsuhiko Tanno, Hironori Tanaka, Naoaki Fujii 2014-01-07
8525041 Multilayer wiring board and method for manufacturing the same Keisuke Shimizu 2013-09-03
RE44251 Circuit board for mounting electronic parts Motoo Asai, Yoji Mori 2013-06-04
8324512 Multilayer printed wiring board Yukihiko Toyoda, Tomoyuki Ikeda 2012-12-04
8222539 Wiring board and method for manufacturing the same Keisuke Shimizu 2012-07-17
8198546 Printed wiring board Shigeki Sawa, Katsuhiko Tanno, Hironori Tanaka, Naoaki Fujii 2012-06-12
8030579 Multilayer printed wiring board Yukihiko Toyoda, Tomoyuki Ikeda 2011-10-04
8022314 Printed wiring board Shigeki Sawa, Katsuhiko Tanno, Hironori Tanaka, Naoaki Fujii 2011-09-20
8017875 Printed wiring board Shigeki Sawa, Katsuhiko Tanno, Hironori Tanaka, Naoaki Fujii 2011-09-13
8003897 Printed wiring board Shigeki Sawa, Katsuhiko Tanno, Hironori Tanaka, Naoaki Fujii 2011-08-23
8001683 Solder ball loading method Katsuhiko Tanno 2011-08-23
7866529 Solder ball loading method and solder ball loading unit Atsunori Sumita, Shigeki Sawa, Katsuhiko Tanno, Isao Tsuchiya, Yoshiyuki Mabuchi +1 more 2011-01-11
7823762 Manufacturing method and manufacturing apparatus of printed wiring board Katsuhiko Tanno, Masanori Iriyama, Sho Akai 2010-11-02
7714233 Printed wiring board Shigeki Sawa, Katsuhiko Tanno, Hironori Tanaka, Naoaki Fujii 2010-05-11
7475803 Solder ball loading method and solder ball loading unit background of the invention Atsunori Sumita, Shigeki Sawa, Katsuhiko Tanno, Isao Tsuchiya, Yoshiyuki Mabuchi +1 more 2009-01-13
7472473 Solder ball loading apparatus Katsuhiko Tanno 2009-01-06
7371974 Multilayer printed wiring board Yukihiko Toyoda, Tomoyuki Ikeda 2008-05-13
6831234 Multilayer printed circuit board Motoo Asai 2004-12-14
6384344 Circuit board for mounting electronic parts Motoo Asai, Yoji Mori 2002-05-07
6342682 Printed wiring board and manufacturing method thereof Yoji Mori 2002-01-29
6316738 Printed wiring board and manufacturing method thereof Yoji Mori 2001-11-13
6251502 Multilayer printed circuit board, method of producing multilayer printed circuit board and resin filler Toshihiko Yasue, Yasuji Hiramatsu, Hideki Yano, Yoshifumi Ishitani, Hideki Murase +3 more 2001-06-26
6217988 Multilayer printed circuit board, method of producing multilayer printed circuit board and resin filler Toshihiko Yasue, Yasuji Hiramatsu, Hideki Yano, Yoshifumi Ishitani, Hideki Murase +3 more 2001-04-17