AH

Akihito Hatakeyama

Sumitomo Electric Industries: 9 patents #3,076 of 21,551Top 15%
Overall (All Time): #588,636 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
6326694 Printed circuit board Seiichi Nakatani, Kouji Kawakita, Hiroshi Sogou, Tatsuo Ogawa, Tamao Kojima 2001-12-04
6211487 Printed circuit board and method of manufacturing the same Seiichi Nakatani, Kouji Kawakita, Hiroshi Sogou, Tatsuo Ogawa, Tamao Kojima 2001-04-03
6108903 Connecting member of a circuit substrate and method of manufacturing multilayer circuit substrates by using the same Seiichi Nakatani, Kouji Kawakita, Hiroshi Sogou, Tatsuo Ogawa, Tamao Kojima 2000-08-29
5972482 Printed circuit board and method of manufacturing the same Seiichi Nakatani, Kouji Kawakita, Hiroshi Sogou, Tatsuo Ogawa, Tamao Kojima 1999-10-26
5588207 Method of manufacturing two-sided and multi-layered printed circuit boards Kouji Kawakita, Masahide Tsukamoto, Yasukiho Horio, Seiichi Nakatani 1996-12-31
5484647 Connecting member of a circuit substrate and method of manufacturing multilayer circuit substrates by using the same Seiichi Nakatani, Kouji Kawakita, Hirishi Sogou, Tatsuo Ogawa, Tamao Kojima 1996-01-16
5481795 Method of manufacturing organic substrate used for printed circuits Hiroshi Sogo, Tamao Kojima, Yasuhiko Horio, Masahide Tsukamoto, Yasushi Fukumura 1996-01-09
5440075 Two-sided printed circuit board a multi-layered printed circuit board Kouji Kawakita, Masahide Tsukamoto, Yasuhiko Horio, Seiichi Nakatani 1995-08-08
5346750 Porous substrate and conductive ink filled vias for printed circuits Hiroshi Sogo, Tamao Kojima, Yasuhiko Horio, Masahide Tsukamoto, Yasushi Fukumura 1994-09-13