Inventor · disambiguated record
Susumu Sigemasa
Also filed as: SIGEMASA SUSUMU
2 granted patents·0 citations·filing 1999–1999
25Inventor score
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2 records- 0124US6583545B1Aperture grill material for color picture tube, production method thereof, aperture grill and picture tubeTOYO KOHAN LTD·Filed 1999·Granted Jun 24, 2003·0 cites·8 claims
- 0222US6617776B1Color picture tube shadow mask materialTOYO KOHAN CO LTD·Filed 1999·Granted Sep 9, 2003·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →