Inventor · disambiguated record
Tsutomu Nakadai
Also filed as: NAKADAI TSUTOMU
4 granted patents·1 pending application·57 citations·filing 1990–2013
74Inventor score
Top patents by PatentIndex Score
5 records- 0182US5014143AData recording disk chuck mechanismHITACHI ELECTR ENG·Filed 1990·Granted May 7, 1991·45 cites·11 claims
- 0249US7616298B2Disk transfer mechanism, and disk inspection apparatus and disk inspection method using the sameHITACHI HIGH TECH CORP·Filed 2006·Granted Nov 10, 2009·2 cites·19 claims
- 0339US2014046472A1Disk transfer unit and inspection apparatusHITACHI HIGH TECH CORP·Filed 2013·Application pending·0 cites
- 0432US5999366AAdjustable disk chucking mechanism for handling different sized disksHITACHI ELECTR ENG·Filed 1997·Granted Dec 7, 1999·5 cites·4 claims
- 0530US5909117AApparatus and method for inspecting disksHITACHI ELECTR ENG·Filed 1997·Granted Jun 1, 1999·5 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →