Inventor · disambiguated record
Seiki Tanaka
Also filed as: TANAKA SEIKI
4 granted patents·42 citations·filing 1990–2012
73Inventor score
Technology areasG11B
Top patents by PatentIndex Score
4 records- 0171US5133632AAutomatic warehouse for cartridge tapesMITSUBISHI HEAVY IND LTD·Filed 1990·Granted Jul 28, 1992·28 cites·4 claims
- 0262US8670231B2Semiconductor recording medium recording and/or reproducing apparatusTANAKA SEIKI·Filed 2012·Granted Mar 11, 2014·3 cites·7 claims
- 0348US5528438ADrum assembly having a lower fixed drum and an upper rotary drum with a particularly shaped outer surfaceSONY CORP·Filed 1993·Granted Jun 18, 1996·10 cites·3 claims
- 0426US5212820ATape loading apparatus for drawing magnetic tapesSONY CORP·Filed 1990·Granted May 18, 1993·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →