Inventor · disambiguated record
Masafumi Koseki
Also filed as: KOSEKI MASAFUMI
3 granted patents·54 citations·filing 1997–1998
72Inventor score
Files withTEIJIN LTD3
Top patents by PatentIndex Score
3 records- 0169US6190753B1Biaxially oriented polyester film for magnetic recording mediaTEIJIN LTD·Filed 1998·Granted Feb 20, 2001·29 cites·14 claims
- 0244US6068909ABiaxially oriented laminate polyester filmTEIJIN LTD·Filed 1997·Granted May 30, 2000·15 cites·16 claims
- 0339US5919550ABiaxially oriented laminate polyester filmTEIJIN LTD·Filed 1997·Granted Jul 6, 1999·10 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →