Inventor · disambiguated record
Sadatoshi Umeki
Also filed as: UMEKI SADATOSHI
2 granted patents·8 citations·filing 1997–1997
51Inventor score
Technology areasG11B
Files withTDK CORP2
Top patents by PatentIndex Score
2 records- 0143US6213425B1Tape reel for tape cassetteTDK CORP·Filed 1997·Granted Apr 10, 2001·7 cites·28 claims
- 0223US5887813ATape cassette having reel detent pivots formed with an axially extending groove for cooling the pivots at substantially the same rate as the cassetteTDK CORP·Filed 1997·Granted Mar 30, 1999·1 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →