Inventor · disambiguated record
Keiji Tsurumaki
Also filed as: TSURUMAKI KEIJI
3 granted patents·56 citations·filing 1999–2013
67Inventor score
Files withNIPPON SEIKI CO LTD3
Top patents by PatentIndex Score
3 records- 0179US6211585B1Stepping motor type indicator having a pole tooth with reduced end areaNIPPON SEIKI CO LTD·Filed 1999·Granted Apr 3, 2001·52 cites·5 claims
- 0263US9435678B2Liquid level detection deviceNIPPON SEIKI CO LTD·Filed 2013·Granted Sep 6, 2016·3 cites·5 claims
- 0350US9470598B2Pressure detection device and method for producing sameNIPPON SEIKI CO LTD·Filed 2013·Granted Oct 18, 2016·1 cites·7 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →