Yoshiyuki YAHAGI

Person

Saitama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical film and eyewear
- Patent number 12,158,655
- Issue date Dec 3, 2024
- Nippon Kayaku Kabushiki Kaisha
- Tomoyuki Hayasaki
- G02 - OPTICS
Information Patent Grant
Optical film for eyewear, and functional film for eyewear, optical...
- Patent number 11,022,732
- Issue date Jun 1, 2021
- Nippon Kayaku Kabushiki Kaisha
- Saki Abe
- G02 - OPTICS
Information Patent Grant
Optical film for eyewear, and optical laminate and eyewear using th...
- Patent number 10,942,374
- Issue date Mar 9, 2021
- Nippon Kayaku Kabushiki Kaisha
- Yoshiyuki Yahagi
- G02 - OPTICS
Information Patent Grant
Optical film for eyewear with light control, light reflection, and...
- Patent number 10,866,435
- Issue date Dec 15, 2020
- Nippon Kayaku Kabushiki Kaisha
- Yoshiyuki Yahagi
- B32 - LAYERED PRODUCTS
Information Patent Grant
Light reflection film and laminate having the light reflection film
- Patent number 10,816,709
- Issue date Oct 27, 2020
- Nippon Kayaku Kabushiki Kaisha
- Tomoyuki Hayasaki
- B32 - LAYERED PRODUCTS
Information Patent Grant
Optical laminate structure and head-up display system using the opt...
- Patent number 10,525,666
- Issue date Jan 7, 2020
- Nippon Kayaku Kabushiki Kaisha
- Tomoyuki Hayasaki
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Optical film and optical laminate using same
- Patent number 10,120,206
- Issue date Nov 6, 2018
- Nippon Kayaku Kabushiki Kaisha
- Kouichi Tanaka
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL FUNCTIONAL FILM FOR HEAD-UP DISPLAY, OPTICAL LAMINATE, FUNC...
- Publication number 20240004194
- Publication date Jan 4, 2024
- Nippon Kayaku Kabushiki-Kaisha
- Mitsunori NAKAMURA
- B32 - LAYERED PRODUCTS
Information Patent Application
OPTICAL FILM, AND OPTICAL LAMINATE AND EYEWEAR HAVING THE SAME
- Publication number 20230161090
- Publication date May 25, 2023
- Nippon Kayaku Kabushiki-Kaisha
- Yoshiyuki YAHAGI
- G02 - OPTICS
Information Patent Application
OPTICAL FILM AND EYEWEAR
- Publication number 20220004028
- Publication date Jan 6, 2022
- Nippon Kayaku Kabushiki-Kaisha
- Tomoyuki HAYASAKI
- G02 - OPTICS
Information Patent Application
LIGHT-SHIELDING FUNCTION EQUIPPED OPTICAL FILM FOR EYEWEAR, AND OPT...
- Publication number 20200033638
- Publication date Jan 30, 2020
- Nippon Kayaku Kabushiki-Kaisha
- Yoshiyuki YAHAGI
- G02 - OPTICS
Information Patent Application
Light Reflection Film And Laminate Having The Light Reflection Film
- Publication number 20190324180
- Publication date Oct 24, 2019
- Nippon Kayaku Kabushiki-Kaisha
- Tomoyuki Hayasaki
- G02 - OPTICS
Information Patent Application
OPTICAL FILM FOR EYEWEAR, AND OPTICAL LAMINATE AND EYEWEAR USING TH...
- Publication number 20190049754
- Publication date Feb 14, 2019
- Nippon Kayaku Kabushiki-Kaisha
- Yoshiyuki YAHAGI
- G02 - OPTICS
Information Patent Application
OPTICAL LAMINATE STRUCTURE AND HEAD-UP DISPLAY SYSTEM USING THE OPT...
- Publication number 20190030856
- Publication date Jan 31, 2019
- Nippon Kayaku Kabushiki-Kaisha
- Tomoyuki HAYASAKI
- B60 - VEHICLES IN GENERAL
Information Patent Application
OPTICAL FILM FOR EYEWEAR, AND OPTICAL LAMINATE AND EYEWEAR USING TH...
- Publication number 20190033620
- Publication date Jan 31, 2019
- Nippon Kayaku Kabushiki-Kaisha
- Yoshiyuki YAHAGI
- G02 - OPTICS
Information Patent Application
OPTICAL FILM FOR EYEWEAR, AND FUNCTIONAL FILM FOR EYEWEAR, OPTICAL...
- Publication number 20180267219
- Publication date Sep 20, 2018
- Nippon Kayaku Kabushiki-Kaisha
- Saki ABE
- G02 - OPTICS
Information Patent Application
Light Reflection Film And Laminate Having The Light Reflection Film
- Publication number 20170285235
- Publication date Oct 5, 2017
- Nippon Kayaku Kabushiki-Kaisha
- Tomoyuki Hayasaki
- B32 - LAYERED PRODUCTS
Information Patent Application
OPTICAL FILM AND OPTICAL LAMINATE USING SAME
- Publication number 20170160566
- Publication date Jun 8, 2017
- Nippon Kayaku Kabushiki-Kaisha
- Kouichi TANAKA
- G02 - OPTICS

Yoshiyuki YAHAGI

Person

Patents Grantslast 30 patents

Optical film and eyewear

Optical film for eyewear, and functional film for eyewear, optical...

Optical film for eyewear, and optical laminate and eyewear using th...

Optical film for eyewear with light control, light reflection, and...

Light reflection film and laminate having the light reflection film

Optical laminate structure and head-up display system using the opt...

Optical film and optical laminate using same

Patents Applicationslast 30 patents

OPTICAL FUNCTIONAL FILM FOR HEAD-UP DISPLAY, OPTICAL LAMINATE, FUNC...

OPTICAL FILM, AND OPTICAL LAMINATE AND EYEWEAR HAVING THE SAME

OPTICAL FILM AND EYEWEAR

LIGHT-SHIELDING FUNCTION EQUIPPED OPTICAL FILM FOR EYEWEAR, AND OPT...

Light Reflection Film And Laminate Having The Light Reflection Film

OPTICAL FILM FOR EYEWEAR, AND OPTICAL LAMINATE AND EYEWEAR USING TH...

OPTICAL LAMINATE STRUCTURE AND HEAD-UP DISPLAY SYSTEM USING THE OPT...

OPTICAL FILM FOR EYEWEAR, AND OPTICAL LAMINATE AND EYEWEAR USING TH...

OPTICAL FILM FOR EYEWEAR, AND FUNCTIONAL FILM FOR EYEWEAR, OPTICAL...

Light Reflection Film And Laminate Having The Light Reflection Film

OPTICAL FILM AND OPTICAL LAMINATE USING SAME