Inventor · disambiguated record
Jyunichi Ichikawa
Also filed as: ICHIKAWA JYUNICHI
4 granted patents·14 citations·filing 2008–2014
69Inventor score
Top patents by PatentIndex Score
4 records- 0174US7924116B2Diplexer and multiplexer using the sameNGK SPARK PLUG CO·Filed 2008·Granted Apr 12, 2011·9 cites·11 claims
- 0266US7902941B2Laminate type band pass filter and diplexer using the sameNGK SPARK PLUG CO·Filed 2008·Granted Mar 8, 2011·4 cites·10 claims
- 0359US9212049B2SOI wafer, manufacturing method therefor, and MEMS deviceYOSHIKAWA EIJI·Filed 2013·Granted Dec 15, 2015·1 cites·12 claims
- 0451US9266715B2SOI wafer, manufacturing method therefor, and MEMS deviceYOSHIKAWA EIJI·Filed 2014·Granted Feb 23, 2016·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →