Inventor · disambiguated record
Osamu Higashida
Also filed as: HIGASHIDA OSAMU
5 granted patents·51 citations·filing 1981–2007
79Inventor score
Top patents by PatentIndex Score
5 records- 0181US8059331B2Light control film and light control glassHIGASHIDA OSAMU·Filed 2007·Granted Nov 15, 2011·7 cites·12 claims
- 0275US8098419B2Light control film and light control glassHIGASHIDA OSAMU·Filed 2007·Granted Jan 17, 2012·5 cites·10 claims
- 0373US4404270APositively chargeable powdered electrophotographic toner containing dialkyl tin oxide charge control agentHITACHI CHEMICAL CO LTD·Filed 1981·Granted Sep 13, 1983·17 cites·5 claims
- 0457US4985328ADry toner, dry developer and process for forming electrophotographic imagesHITACHI CHEMICAL CO LTD·Filed 1989·Granted Jan 15, 1991·20 cites·31 claims
- 0554US9638979B2Light control filmHIGASHIDA OSAMU·Filed 2007·Granted May 2, 2017·2 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →