Kazuhiko Toyooka

Person

Yamagata-city, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Microreplicated optical film
- Patent number 12,117,642
- Issue date Oct 15, 2024
- 3M Innovative Properties Company
- Hideaki Shirotori
- G02 - OPTICS
Information Patent Grant
Reflective backlit display with a liquid crystal cell
- Patent number 12,065,078
- Issue date Aug 20, 2024
- 3M Innovative Properties Company
- Kazuhiko Toyooka
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Low-glare automotive headlight
- Patent number 10,781,986
- Issue date Sep 22, 2020
- 3M Innovative Properties Company
- Kazuhiko Toyooka
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Display with nonwoven diffuser
- Patent number 9,494,817
- Issue date Nov 15, 2016
- 3M Innovative Properties Company
- Kazuhiko Toyooka
- G02 - OPTICS
Information Patent Grant
Surface illuminant device
- Patent number 9,423,549
- Issue date Aug 23, 2016
- 3M Innovative Properties Company
- Kazuhiko Toyooka
- G02 - OPTICS
Information Patent Grant
Optical laminated bodies, lighting equipment and area luminescence...
- Patent number 7,511,783
- Issue date Mar 31, 2009
- 3M Innovative Properties Company
- Kazuhiko Toyooka
- G02 - OPTICS
Information Patent Grant
Optical laminated bodies, lighting equipment and area luminescence...
- Patent number 6,972,813
- Issue date Dec 6, 2005
- 3M Innovative Properties Company
- Kazuhiko Toyooka
- G02 - OPTICS
Information Patent Grant
Hollow surface illuminator
- Patent number 6,809,892
- Issue date Oct 26, 2004
- 3M Innovative Properties Company
- Kazuhiko Toyooka
- G02 - OPTICS
Information Patent Grant
Brightness enhancement article
- Patent number 6,280,063
- Issue date Aug 28, 2001
- 3M Innovative Properties Company
- Bettie C. Fong
- G02 - OPTICS
Information Patent Grant
Variable pitch structured optical film
- Patent number 5,919,551
- Issue date Jul 6, 1999
- 3M Innovative Properties Company
- Sanford Cobb
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
MICROREPLICATED OPTICAL FILM
- Publication number 20240004124
- Publication date Jan 4, 2024
- 3M Innovative Properties Company
- Hideaki Shirotori
- G02 - OPTICS
Information Patent Application
ARTICLE FOR DISPLAY DEVICE, DISPLAY SYSTEM AND METHOD OF MANUFACTURE
- Publication number 20230288745
- Publication date Sep 14, 2023
- 3M Innovative Properties Company
- Chun-Yi Ting
- G02 - OPTICS
Information Patent Application
BACKLIGHT AND LIQUID CRYSTAL DISPLAY DEVICE
- Publication number 20220066263
- Publication date Mar 3, 2022
- 3M Innovative Properties Company
- Kazuhiko Toyooka
- G02 - OPTICS
Information Patent Application
IMAGING DEVICE
- Publication number 20200292807
- Publication date Sep 17, 2020
- 3M Innovative Properties Company
- Toyooka KAZUHIKO
- B60 - VEHICLES IN GENERAL
Information Patent Application
MIRROR INCLUDING REFLECTIVE BACKLIT DISPLAY
- Publication number 20200262351
- Publication date Aug 20, 2020
- 3M Innovative Properties Company
- Kazuhiko Toyooka
- B60 - VEHICLES IN GENERAL
Information Patent Application
LOW-GLARE AUTOMOTIVE HEADLIGHT
- Publication number 20190120452
- Publication date Apr 25, 2019
- 3M Innovative Properties Company
- Kazuhiko Toyooka
- B60 - VEHICLES IN GENERAL
Information Patent Application
SURFACE ILLUMINANT DEVICE AND A METHOD FOR MANUFACTURING A SURFACE...
- Publication number 20160252777
- Publication date Sep 1, 2016
- 3M INNOVATIVE PROPERTIES COMPANY
- Kazuhiko TOYOOKA
- G02 - OPTICS
Information Patent Application
DISPLAY WITH NONWOVEN DIFFUSER
- Publication number 20150022757
- Publication date Jan 22, 2015
- 3M Innovative Properties Company
- Kazuhiko Toyooka
- G02 - OPTICS
Information Patent Application
SURFACE ILLUMINANT DEVICE
- Publication number 20140254195
- Publication date Sep 11, 2014
- 3M INNOVATION PROPERTIES COMPANY
- Kazuhiko Toyooka
- G02 - OPTICS
Information Patent Application
Optical laminated bodies, lighting equipment and area luminescence...
- Publication number 20050024558
- Publication date Feb 3, 2005
- 3M Innovative Properties Company
- Kazuhiko Toyooka
- G02 - OPTICS
Information Patent Application
Hollow surface illuminator
- Publication number 20040012943
- Publication date Jan 22, 2004
- Kazuhiko Toyooka
- G02 - OPTICS

Kazuhiko Toyooka

Person

Patents Grantslast 30 patents

Microreplicated optical film

Reflective backlit display with a liquid crystal cell

Low-glare automotive headlight

Display with nonwoven diffuser

Surface illuminant device

Optical laminated bodies, lighting equipment and area luminescence...

Optical laminated bodies, lighting equipment and area luminescence...

Hollow surface illuminator

Brightness enhancement article

Variable pitch structured optical film

Patents Applicationslast 30 patents

MICROREPLICATED OPTICAL FILM

ARTICLE FOR DISPLAY DEVICE, DISPLAY SYSTEM AND METHOD OF MANUFACTURE

BACKLIGHT AND LIQUID CRYSTAL DISPLAY DEVICE

IMAGING DEVICE

MIRROR INCLUDING REFLECTIVE BACKLIT DISPLAY

LOW-GLARE AUTOMOTIVE HEADLIGHT

SURFACE ILLUMINANT DEVICE AND A METHOD FOR MANUFACTURING A SURFACE...

DISPLAY WITH NONWOVEN DIFFUSER

SURFACE ILLUMINANT DEVICE

Optical laminated bodies, lighting equipment and area luminescence...

Hollow surface illuminator