Inventor
TSUKAMOTO TAKEHITO
JP19 patents
⚠️ This page may combine multiple inventors who share the name “TSUKAMOTO TAKEHITO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOPPAN PRINTING CO LTD
8 patentsUS6438281B1Aug 20, 2002
Optical wiring layer, optoelectric wiring substrate, mounted substrate, and methods for manufacturing the same
TOPPAN PRINTING CO LTD119 citations94
US6804423B2Oct 12, 2004
Optical-electrical wiring board, mounted board and method of manufacturing optical-electrical wiring board
TOPPAN PRINTING CO LTD63 citations93
US7050691B2May 23, 2006
Optical waveguide and method of manufacturing the same
TOPPAN PRINTING CO LTD23 citations91
US6739761B2May 25, 2004
Optical-electric printed wiring board, printed circuit board, and method of fabricating optical-electric printed wiring board
TOPPAN PRINTING CO LTD30 citations88
US7584535B2Sep 8, 2009
Method of manufacturing multi-layer wiring board
TOPPAN PRINTING CO LTD5 citations56
US8703598B2Apr 22, 2014
Manufacturing method of lead frame substrate
TOPPAN PRINTING CO LTD1 citations50
US8535979B2Sep 17, 2013
Method for manufacturing substrate for semiconductor element
TOPPAN PRINTING CO LTD0 citations50
US7289713B2Oct 30, 2007
Optical waveguide and method of manufacturing the same
TOPPAN PRINTING CO LTD1 citations50
MANIWA SUSUMU
3 patentsUS8535987B2Sep 17, 2013
Method of manufacturing substrate for semiconductor element, and semiconductor device
MANIWA SUSUMU2 citations58
US8546940B2Oct 1, 2013
Manufacturing method of lead frame substrate and semiconductor apparatus
MANIWA SUSUMU0 citations47
US8466547B2Jun 18, 2013
Method for manufacturing substrate for semiconductor element, and semiconductor device
MANIWA SUSUMU0 citations37
DSM IP ASSETS BV
2 patentsUS10672928B2Jun 2, 2020
Metal foil pattern layered body, metal foil layered body, metal foil multi-layer substrate, solar cell module, and method of manufacturing metal foil pattern layered body
DSM IP ASSETS BV2 citations71
US10056517B2Aug 21, 2018
Metal foil pattern layered body, metal foil layered body, metal foil multi-layer substrate, solar cell module, and method of manufacturing metal foil pattern layered body
DSM IP ASSETS BV0 citations50