Inventor

TAKAO KIYOTAKA

JP12 patents

⚠️ This page may combine multiple inventors who share the name “TAKAO KIYOTAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AGC INC

9 patents

US10829666B2Nov 10, 2020

Fluorinated ether compound, fluorinated ether composition, coating liquid and article

AGC INC6 citations82

US10550288B2Feb 4, 2020

Fluorinated ether compound, fluorinated ether composition, coating liquid and article

AGC INC5 citations82

US10239997B2Mar 26, 2019

Surface treatment agent for substrate, comprising perfluoropolyether group-containing phosphate compound

AGC INC2 citations71

US12448540B2Oct 21, 2025

Fluorinated ether compound, fluorinated ether composition, coating liquid and article

AGC INC0 citations61

US12071563B2Aug 27, 2024

Fluorinated ether compound, fluorinated ether composition, coating liquid and article

AGC INC0 citations61

US11643572B2May 9, 2023

Fluorinated ether compound, fluorinated ether composition, coating liquid and article

AGC INC0 citations61

US11066517B2Jul 20, 2021

Processes for producing fluorinated ether compounds

AGC INC1 citations60

US10836862B2Nov 17, 2020

Surface treatment agent for substrate, comprising perfluoropolyether group-containing phosphate compound

AGC INC0 citations50

US12264257B2Apr 1, 2025

Composition containing a fluorinated ether compound

AGC INC0 citations47

ASAHI GLASS CO LTD

3 patents

US9969890B2May 15, 2018

Fluorinated ether compound, composition for forming hard coating layer, and article having hard coating layer

ASAHI GLASS CO LTD4 citations71

US10138315B2Nov 27, 2018

Fluorinated compound-containing composition, method for its production, coating liquid, hard coat layer-forming composition and article

ASAHI GLASS CO LTD0 citations51

US10138391B2Nov 27, 2018

Fluorinated compound, composition for forming hard coat layer, and article having hard coat layer

ASAHI GLASS CO LTD1 citations51