Inventor · disambiguated record
Masaharu Tsujii
Also filed as: TSUJII MASAHARU
6 granted patents·1 pending application·63 citations·filing 1999–2018
82Inventor score
Top patents by PatentIndex Score
7 records- 0186US7380443B2Hardness testing apparatusMITUTOYO CORP·Filed 2006·Granted Jun 3, 2008·14 cites·6 claims
- 0285US9354042B2Coordinate measuring system, coordinate measuring method, and probeMITUTOYO CORP·Filed 2015·Granted May 31, 2016·5 cites·5 claims
- 0384US10495557B2Hardness tester and hardness testing methodMITUTOYO CORP·Filed 2018·Granted Dec 3, 2019·2 cites·9 claims
- 0482US7121136B2Hardness testing apparatusMITUTOYO CORP·Filed 2003·Granted Oct 17, 2006·25 cites·17 claims
- 0581US9341554B2Hardness testerMITUTOYO CORP·Filed 2014·Granted May 17, 2016·4 cites·3 claims
- 0646US6279388B1Apparatus for calibrating hardness tester, method for calibrating the same and apparatus for evaluating dynamic characteristic of specimenAKASHI CORP·Filed 1999·Granted Aug 28, 2001·13 cites·6 claims
- 0740US2017102305A1Hardness testing apparatus and indenter of hardness testing apparatusMITUTOYO CORP·Filed 2016·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →