Inventor · disambiguated record
Toru Ashida
Also filed as: ASHIDA TORU
8 granted patents·3 pending applications·60 citations·filing 1999–2018
83Inventor score
Top patents by PatentIndex Score
11 records- 0188US6399752B1Polyazo compound or salt thereof and dye-based polarization film containing the sameSUMITOMO CHEMICAL CO·Filed 2001·Granted Jun 4, 2002·28 cites·11 claims
- 0284US6699976B2Polyazo compound or salt thereof and dye-based polarization film containing the sameSUMITOMO CHEMICAL CO·Filed 2002·Granted Mar 2, 2004·19 cites·8 claims
- 0374US7070715B2Disazo compound or salt thereof and polarizing film using the sameSUMITOMO CHEMICAL CO·Filed 2003·Granted Jul 4, 2006·8 cites·5 claims
- 0453US10442339B2Vehicle light emitting deviceOMRON TATEISI ELECTRONICS CO·Filed 2018·Granted Oct 15, 2019·0 cites·13 claims
- 0550US7276268B2Poly-azo compound, and polarization film having said compoundSUMITOMO CHEMICAL CO·Filed 2004·Granted Oct 2, 2007·1 cites·5 claims
- 0649US6214990B1Triphenodioxazine compound, method for preparing the same, use of the compound as dichroic dye, and liquid crystal compositionSUMITOMO CHEMICAL CO·Filed 1999·Granted Apr 10, 2001·4 cites·10 claims
- 0744US2007275186A1Dye-Based Polarizing FilimSUMITOMO CHEMICAL CO·Filed 2007·Application pending·0 cites
- 0839US2012229737A1Polarization film and liquid crystal display device comprising sameASHIDA TORU·Filed 2012·Application pending·0 cites
- 0936US2002193515A1Polarization film containing a monoazo compound or saltFiled 2002·Application pending·0 cites
- 1035US6440507B1Unsymmetrical dioxazine compound dichroic dye liquid crystal composition and liquid crystal display elementSUMITOMO CHEMICAL CO·Filed 2000·Granted Aug 27, 2002·0 cites·5 claims
- 1134US9765224B2Anti-fogging film-forming material, coating liquid for forming anti-fogging film, anti-fogging article, and methods for producing theseCENTRAL GLASS CO LTD·Filed 2013·Granted Sep 19, 2017·0 cites·20 claims
Join the waitlist — get patent alerts
Get an alert when Toru Ashida files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →