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Hidefumi Konnai
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Chiba, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Surface-modified halloysite, method for producing surface-modified...
Patent number
11,932,544
Issue date
Mar 19, 2024
JFE Mineral Company, Ltd.
Hidefumi Konnai
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Porous halloysite powder and method for producing halloysite powder
Patent number
11,180,375
Issue date
Nov 23, 2021
JFE Mineral Company, Ltd.
Hidefumi Konnai
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Positive electrode material for lithium secondary battery, method f...
Patent number
8,029,930
Issue date
Oct 4, 2011
Kawatetsu Mining Co., Ltd.
Yoshiaki Hamano
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Positive electrode material for lithium secondary battery, method f...
Patent number
7,749,657
Issue date
Jul 6, 2010
JFE Mineral Company Ltd.
Yoshiaki Hamano
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Cathode material for use in lithium secondary battery and manufactu...
Patent number
7,510,804
Issue date
Mar 31, 2009
Kawatetsu Mining Co., Ltd.
Yoshiaki Hamano
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Potassium titanate powder
Patent number
6,579,619
Issue date
Jun 17, 2003
Kawatetsu Mining Co., Ltd.
Hidefumi Konnai
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Potassium titanate fine particles
Patent number
6,335,096
Issue date
Jan 1, 2002
Kawatetsu Mining Co., Ltd.
Hidefumi Konnai
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Non-fibrous potassium titanate and method for producing the same
Patent number
6,251,361
Issue date
Jun 26, 2001
Kawatetsu Mining Co., Ltd.
Hidefumi Konnai
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Potassium titanate substantially free of respirable fibers and meth...
Patent number
6,036,938
Issue date
Mar 14, 2000
Kawatetsu Mining Co., Ltd.
Hidefumi Konnai
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of making agglomerate of whiskers or short fibers
Patent number
5,269,993
Issue date
Dec 14, 1993
Kawasaki Mining Co. Ltd.
Tadao Shimizu
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Agglomerate of whiskers or short fibers
Patent number
5,185,204
Issue date
Feb 9, 1993
Kawatetsu Minig Co., Ltd.
Tadao Shimizu
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Patents Applications
last 30 patents
Information
Patent Application
COMPOSITE
Publication number
20230356189
Publication date
Nov 9, 2023
JFE MINERAL COMPANY, LTD.
Hidefumi Konnai
B82 - NANO-TECHNOLOGY
Information
Patent Application
HALLOYSITE POWDER
Publication number
20230093119
Publication date
Mar 23, 2023
JFE MINERAL COMPANY, LTD.
Hidefumi Konnai
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
HALLOYSITE POWDER
Publication number
20220371903
Publication date
Nov 24, 2022
JFE MINERAL COMPANY, LTD.
Hidefumi Konnai
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METAHALLOYSITE POWDER AND METAHALLOYSITE POWDER PRODUCTION METHOD
Publication number
20210261421
Publication date
Aug 26, 2021
JFE MINERAL COMPANY, LTD.
Hidefumi Konnai
B82 - NANO-TECHNOLOGY
Information
Patent Application
METAHALLOYSITE POWDER AND PRODUCTION METHOD THEREFOR
Publication number
20210246039
Publication date
Aug 12, 2021
JFE MINERAL COMPANY, LTD.
Hidefumi Konnai
B82 - NANO-TECHNOLOGY
Information
Patent Application
HALLOYSITE POWDER AND METHOD FOR PRODUCING HALLOYSITE POWDER
Publication number
20200062603
Publication date
Feb 27, 2020
JFE Minerals, Ltd.
Hidefumi KONNAI
C01 - INORGANIC CHEMISTRY
Information
Patent Application
SURFACE-MODIFIED HALLOYSITE, METHOD FOR PRODUCING SURFACE-MODIFIED...
Publication number
20190270646
Publication date
Sep 5, 2019
JFE MINERAL COMPANY, LTD.
Hidefumi KONNAI
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Positive electrode material for lithium secondary battery, method f...
Publication number
20040110065
Publication date
Jun 10, 2004
KAWATETSU MINING CO., LTD.
Yoshiaki Hamano
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Positive electrode material for lithium secondary battery, method f...
Publication number
20040110066
Publication date
Jun 10, 2004
KAWATETSU MINING CO., LTD.
Yoshiaki Hamano
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Cathode material for use in lithium secondary battery and manufactu...
Publication number
20030031930
Publication date
Feb 13, 2003
Kawatetsu Mining Co., Ltd.
Yoshiaki Hamano
H01 - BASIC ELECTRIC ELEMENTS