Inventor · disambiguated record
Masaaki Matsukawa
Also filed as: MATSUKAWA MASAAKI
3 granted patents·12 citations·filing 1989–2006
62Inventor score
Top patents by PatentIndex Score
3 records- 0182US7916214B2Picture display system for adjusting image quality of a picture signal having higher number of scanning linesHITACHI LTD·Filed 2006·Granted Mar 29, 2011·8 cites·16 claims
- 0256US7512321B2Video recording/playback system and method for generating video data capable of providing information for substituting an advertisement therebyHITACHI LTD·Filed 2003·Granted Mar 31, 2009·3 cites·13 claims
- 0331US4914473AMultiple-exposure apparatus in a graphic arts copying machine of a slit-exposure typeDAINIPPON SCREEN MFG·Filed 1989·Granted Apr 3, 1990·1 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →