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Takumi TAKAYAMA
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Kurashiki-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Vinyl alcohol-based block copolymer and method for producing same
Patent number
12,264,215
Issue date
Apr 1, 2025
Kuraray Co., Ltd.
Takumi Takayama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Preparing method for polymer, composition for radical polymerizatio...
Patent number
12,134,665
Issue date
Nov 5, 2024
National Tsing Hua University
Takumi Takayama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyvinyl alcohol and method for producing polyvinyl alcohol
Patent number
11,261,270
Issue date
Mar 1, 2022
Kuraray Co., Ltd.
Takumi Takayama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyvinyl alcohol
Patent number
11,111,319
Issue date
Sep 7, 2021
Kuraray Co., Ltd.
Yusuke Amano
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyvinyl alcohol and method for producing same
Patent number
10,766,978
Issue date
Sep 8, 2020
Kuraray Co., Ltd.
Takumi Takayama
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Porous graft copolymer particles, method for producing same, and ad...
Patent number
9,943,825
Issue date
Apr 17, 2018
Kuraray Co., Ltd.
Keisuke Morikawa
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
Information
Patent Application
PREPARING METHOD FOR POLYMER, COMPOSITION FOR RADICAL POLYMERIZATIO...
Publication number
20240425625
Publication date
Dec 26, 2024
National Tsing Hua University
Takumi Takayama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR PRODUCING POLYMER, COMPOSITION FOR RADICAL POLYMERIZATIO...
Publication number
20240174785
Publication date
May 30, 2024
Kuraray Co., Ltd
Takumi TAKAYAMA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
BLOCK COPOLYMER, METHOD FOR PRODUCING SAME, AND ABSORBER AND ABSORB...
Publication number
20230226520
Publication date
Jul 20, 2023
Kuraray Co., Ltd
Takumi TAKAYAMA
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Application
PREPARING METHOD FOR POLYMER, COMPOSITION FOR RADICAL POLYMERIZATIO...
Publication number
20220325013
Publication date
Oct 13, 2022
National Tsing Hua University
Takumi Takayama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
VINYL ALCOHOL-BASED BLOCK COPOLYMER AND METHOD FOR PRODUCING SAME
Publication number
20220267499
Publication date
Aug 25, 2022
Kuraray Co., Ltd
Takumi TAKAYAMA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYVINYL ALCOHOL AND METHOD FOR PRODUCING POLYVINYL ALCOHOL
Publication number
20200216584
Publication date
Jul 9, 2020
Kuraray Co., Ltd
Takumi TAKAYAMA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYVINYL ALCOHOL AND METHOD FOR PRODUCING SAME
Publication number
20190119414
Publication date
Apr 25, 2019
Kuraray Co., Ltd
Takumi TAKAYAMA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYVINYL ALCOHOL
Publication number
20190100607
Publication date
Apr 4, 2019
Kuraray Co., Ltd
Yusuke AMANO
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POROUS GRAFT COPOLYMER PARTICLES, METHOD FOR PRODUCING SAME, AND AD...
Publication number
20150224472
Publication date
Aug 13, 2015
Kuraray Co., Ltd
Keisuke MORIKAWA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL