Inventor · disambiguated record
Kiyoharu Matsuo
Also filed as: MATSUO KIYOHARU
3 granted patents·6 citations·filing 2002–2022
55Inventor score
Technology areasH03H
Files withNIHON DEMPA KOGYO CO3
Top patents by PatentIndex Score
3 records- 0159US12388415B2Crystal unit, semimanufactured crystal unit, and method for manufacturing crystal unitNIHON DEMPA KOGYO CO·Filed 2022·Granted Aug 12, 2025·0 cites·16 claims
- 0249US6972511B2Quartz-crystal unitNIHON DEMPA KOGYO CO·Filed 2002·Granted Dec 6, 2005·6 cites·8 claims
- 0343US11251773B2AT-cut crystal element, crystal unit, and semi-manufactured crystal unitNIHON DEMPA KOGYO CO·Filed 2019·Granted Feb 15, 2022·0 cites·11 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →