Inventor

YAMAGUCHI SYUNICHIRO

JP3 patents

⚠️ This page may combine multiple inventors who share the name “YAMAGUCHI SYUNICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIKKO MATERIALS CO LTD

2 patents

US6896788B2May 24, 2005

Method of producing a higher-purity metal

NIKKO MATERIALS CO LTD47 citations91

US6562222B1May 13, 2003

Copper electroplating liquid, pretreatment liquid for copper electroplating and method of copper electroplating

NIKKO MATERIALS CO LTD35 citations84

MITSUBISHI CABLE IND LTD

1 patent

US7292761B2Nov 6, 2007

Optical transmission device

MITSUBISHI CABLE IND LTD2 citations60