Inventor · disambiguated record
Toyoji Oshima
Also filed as: OSHIMA TOYOJI
5 granted patents·32 citations·filing 1982–2013
73Inventor score
Top patents by PatentIndex Score
5 records- 0175US4448844AHeat resistant resin and process for producing the sameHITACHI CHEMICAL CO LTD·Filed 1983·Granted May 15, 1984·25 cites·8 claims
- 0258US9040647B2Photochromic materialABE JIRO·Filed 2010·Granted May 26, 2015·1 cites·22 claims
- 0347US9957349B2Resin composition, prepreg, and filmMITSUBISHI GAS CHEMICAL CO·Filed 2013·Granted May 1, 2018·0 cites·23 claims
- 0442US4431758AHeat resistant resin composition comprising reaction product of polyamideimide resin, alcohol and acid component.HITACHI CHEMICAL CO LTD·Filed 1982·Granted Feb 14, 1984·6 cites·22 claims
- 0535US8748629B2Photochromic materialHORINO TAKERU·Filed 2011·Granted Jun 10, 2014·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →