Inventor · disambiguated record
Kazuhiko Toyooka
Also filed as: TOYOOKA KAZUHIKO
12 granted patents·4 pending applications·886 citations·filing 1996–2024
90Inventor score
Top patents by PatentIndex Score
16 records- 0198US6280063B1Brightness enhancement article3M INNOVATIVE PROPERTIES CO·Filed 1997·Granted Aug 28, 2001·384 cites·20 claims
- 0298US5919551AVariable pitch structured optical film3M INNOVATIVE PROPERTIES CO·Filed 1996·Granted Jul 6, 1999·428 cites·35 claims
- 0389US6972813B1Optical laminated bodies, lighting equipment and area luminescence equipment3M INNOVATIVE PROPERTIES CO·Filed 2000·Granted Dec 6, 2005·44 cites·4 claims
- 0478US10781986B2Low-glare automotive headlight3M INNOVATIVE PROPERTIES CO·Filed 2017·Granted Sep 22, 2020·2 cites·7 claims
- 0578US6809892B2Hollow surface illuminator3M INNOVATIVE PROPERTIES CO·Filed 2001·Granted Oct 26, 2004·22 cites·6 claims
- 0671US2025004190A1Microreplicated optical film3M INNOVATIVE PROPERTIES COMPANY·Filed 2024·Application pending·0 cites
- 0762US12117642B2Microreplicated optical film3M INNOVATIVE PROPERTIES COMPANY·Filed 2021·Granted Oct 15, 2024·0 cites·20 claims
- 0859US9423549B2Surface illuminant deviceTOYOOKA KAZUHIKO·Filed 2012·Granted Aug 23, 2016·2 cites·4 claims
- 0955US7511783B2Optical laminated bodies, lighting equipment and area luminescence equipment3M INNOVATIVE PROPERTIES CO·Filed 2004·Granted Mar 31, 2009·4 cites·14 claims
- 1054US12065078B2Reflective backlit display with a liquid crystal cell3M INNOVATIVE PROPERTIES COMPANY·Filed 2016·Granted Aug 20, 2024·0 cites·11 claims
- 1154US9494817B2Display with nonwoven diffuser3M INNOVATIVE PROPERTIES CO·Filed 2013·Granted Nov 15, 2016·0 cites·10 claims
- 1249US12474607B2Backlight with multiple microreplicated optical films3M INNOVATIVE PROPERTIES COMPANY·Filed 2022·Granted Nov 18, 2025·0 cites·16 claims
- 1349US2016252777A1Surface illuminant device and a method for manufacturing a surface illuminant device3M INNOVATIVE PROPERTIES CO·Filed 2014·Application pending·0 cites
- 1445US12189119B2Imaging device3M INNOVATIVE PROPERTIES COMPANY·Filed 2018·Granted Jan 7, 2025·0 cites·4 claims
- 1538US2023288745A1Article for display device, display system and method of manufacture3M INNOVATIVE PROPERTIES COMPANY·Filed 2021·Application pending·0 cites
- 1634US2022066263A1Backlight and liquid crystal display device3M INNOVATIVE PROPERTIES CO·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →