Inventor

ICHIKAWA JYUNICHI

JP4 patents

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

NGK SPARK PLUG CO

2 patents

US7924116B2Apr 12, 2011

Diplexer and multiplexer using the same

NGK SPARK PLUG CO9 citations80

US7902941B2Mar 8, 2011

Laminate type band pass filter and diplexer using the same

NGK SPARK PLUG CO4 citations58

YOSHIKAWA EIJI

2 patents

US9266715B2Feb 23, 2016

SOI wafer, manufacturing method therefor, and MEMS device

YOSHIKAWA EIJI0 citations48

US9212049B2Dec 15, 2015

SOI wafer, manufacturing method therefor, and MEMS device

YOSHIKAWA EIJI1 citations48