Inventor · disambiguated record
Toshizumi Hirota
Also filed as: HIROTA TOSHIZUMI
4 granted patents·55 citations·filing 1989–2005
74Inventor score
Top patents by PatentIndex Score
4 records- 0183US7350917B2Light control plastic lens, coated sheet-like light control element for the lens production, and a production method for light control plastic lensMGC FILSEET CO LTD·Filed 2005·Granted Apr 1, 2008·31 cites·14 claims
- 0254US5468351AApparatus for recovering fresh water and apparatus for concentrating liquidMITSUBISHI CORP·Filed 1994·Granted Nov 21, 1995·20 cites·10 claims
- 0339US4983707ACopolyester from 1,6-bis(phenoxy)hexane-4,4'-dicarboxylateMITSUBISHI GAS CHEMICAL CO·Filed 1990·Granted Jan 8, 1991·4 cites·6 claims
- 0428US5045627AMelt-processable copolyesterMITSUBISHI GAS CHEMICAL CO·Filed 1989·Granted Sep 3, 1991·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →