Inventor · disambiguated record
Ryuichi Kawai
Also filed as: KAWAI RYUICHI
5 granted patents·1 pending application·24 citations·filing 2002–2020
76Inventor score
Top patents by PatentIndex Score
6 records- 0193US11309864B2Piezoelectric resonator unit and method for manufacturing the piezoelectric resonator unitMURATA MANUFACTURING CO·Filed 2020·Granted Apr 19, 2022·5 cites·20 claims
- 0289US10135420B2Quartz crystal blank and quartz crystal resonator unitMURATA MANUFACTURING CO·Filed 2017·Granted Nov 20, 2018·8 cites·14 claims
- 0386US9985604B2Quartz crystal blank and quartz crystal resonator unitMURATA MANUFACTURING CO·Filed 2017·Granted May 29, 2018·6 cites·14 claims
- 0475US10476475B2Piezoelectric resonator unit and manufacturing method for the sameMURATA MANUFACTURING CO·Filed 2017·Granted Nov 12, 2019·3 cites·7 claims
- 0572US11121697B2Quartz crystal resonator and quartz crystal resonator unitMURATA MANUFACTURING CO·Filed 2017·Granted Sep 14, 2021·2 cites·16 claims
- 0645US2002143657A1ID-tag-based explanation systemNEC CORP·Filed 2002·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →