Inventor
KUMAI KOICHI
JP7 patents
⚠️ This page may combine multiple inventors who share the name “KUMAI KOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DSM IP ASSETS BV
4 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
US9478674B2Oct 25, 2016
Method of manufacturing a circuit board by punching
DSM IP ASSETS BV4 citations70
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
US10651320B2May 12, 2020
Method of manufacturing a circuit board by punching
DSM IP ASSETS BV0 citations49
TOPPAN PRINTING CO LTD
2 patentsUS6438281B1Aug 20, 2002
Optical wiring layer, optoelectric wiring substrate, mounted substrate, and methods for manufacturing the same
TOPPAN PRINTING CO LTD119 citations94
US10986293B2Apr 20, 2021
Solid-state imaging device including microlenses on a substrate and method of manufacturing the same
TOPPAN PRINTING CO LTD0 citations51