Takahiro Fujiwara

Person

Kakogawa-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for producing (meth)acrylamide papermaking additive and (met...
- Patent number 10,730,989
- Issue date Aug 4, 2020
- HARIMA CHEMICALS, INCORPORATED
- Tadaaki Horii
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Pitch-controlling agent and pitch-controlling method
- Patent number 10,240,295
- Issue date Mar 26, 2019
- Harima Chemicals, Inc.
- Takuji Sodeyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Acrylamide-based polymer, paper strength agent, and paper
- Patent number 9,995,001
- Issue date Jun 12, 2018
- HARIMA CHEMICALS, INCORPORATED
- Hirotaka Sato
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Polyacrylamide resin, papermaking additive, and paper
- Patent number 9,908,959
- Issue date Mar 6, 2018
- HARIMA CHEMICALS, INCORPORATED
- Takahiro Fujiwara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Water-soluble polymer and additive for paper manufacture
- Patent number 8,816,031
- Issue date Aug 26, 2014
- Harima Chemicals, Inc.
- Yoshiharu Kimura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Papermaking internal sizing agent and use thereof
- Patent number 8,241,462
- Issue date Aug 14, 2012
- Harima Chemicals, Inc.
- Kazunari Sakai
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING (METH)ACRYLAMIDE POLYMER PAPERMAKING ADDITIVE...
- Publication number 20200140596
- Publication date May 7, 2020
- HARIMA CHEMICALS, INCORPORATED
- Tadaaki HORII
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PITCH-CONTROLLING AGENT AND PITCH-CONTROLLING METHOD
- Publication number 20180230652
- Publication date Aug 16, 2018
- HARIMA CHEMICALS, INC.
- Takuji SODEYAMA
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
ACRYLAMIDE-BASED POLYMER, PAPER STRENGTH AGENT, AND PAPER
- Publication number 20180163346
- Publication date Jun 14, 2018
- HARIMA CHEMICALS, INCORPORATED
- Hirotaka SATO
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
POLYACRYLAMIDE RESIN, PAPERMAKING ADDITIVE, AND PAPER
- Publication number 20170253683
- Publication date Sep 7, 2017
- HARIMA CHEMICALS, INCORPORATED
- Takahiro FUJIWARA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ACRYLAMIDE-BASED POLYMER, PAPER STRENGTH AGENT, AND PAPER
- Publication number 20160340831
- Publication date Nov 24, 2016
- HARIMA CHEMICALS, INCORPORATED
- Hirotaka SATO
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PAPERMAKING INTERNAL SIZING AGENT AND USE THEREOF
- Publication number 20100200185
- Publication date Aug 12, 2010
- Kazunari Sakai
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Water-soluble polymer and additive for paper manufacture
- Publication number 20070208143
- Publication date Sep 6, 2007
- HARIMA CHEMICALS, INC.
- Yoshiharu Kimura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Takahiro Fujiwara

Person

Patents Grantslast 30 patents

Method for producing (meth)acrylamide papermaking additive and (met...

Pitch-controlling agent and pitch-controlling method

Acrylamide-based polymer, paper strength agent, and paper

Polyacrylamide resin, papermaking additive, and paper

Water-soluble polymer and additive for paper manufacture

Papermaking internal sizing agent and use thereof

Patents Applicationslast 30 patents

METHOD FOR PRODUCING (METH)ACRYLAMIDE POLYMER PAPERMAKING ADDITIVE...

PITCH-CONTROLLING AGENT AND PITCH-CONTROLLING METHOD

ACRYLAMIDE-BASED POLYMER, PAPER STRENGTH AGENT, AND PAPER

POLYACRYLAMIDE RESIN, PAPERMAKING ADDITIVE, AND PAPER

ACRYLAMIDE-BASED POLYMER, PAPER STRENGTH AGENT, AND PAPER

PAPERMAKING INTERNAL SIZING AGENT AND USE THEREOF

Water-soluble polymer and additive for paper manufacture