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Kyoji Kaeriyama
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Tsuchiura, JP
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Patents Grants
last 30 patents
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Patent Grant
Poly(benzoic acid), method for the preparation thereof and method f...
Patent number
5,408,011
Issue date
Apr 18, 1995
Japan, as represented by Director General of Agency of Industrial Science and...
Susumu Tanaka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Poly(benxoic acid), method for the preparation thereof and method f...
Patent number
5,312,874
Issue date
May 17, 1994
Japan as represented by Director General of Agency of Industrial Science and...
Susumu Tanaka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Quaternary ammonium trihalide and method for dissolution of metal w...
Patent number
5,264,191
Issue date
Nov 23, 1993
Agency of Industrial Science and Technology
Yukimichi Nakao
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for extraction of gold and silver from ore with a solution c...
Patent number
5,139,752
Issue date
Aug 18, 1992
Agency of Industrial Science and Technology
Yukimichi Nakao
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for dissolution of metal
Patent number
5,120,523
Issue date
Jun 9, 1992
Agency of Industrial Science & Technology, Ministry of International Trade &...
Yukimichi Nakao
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Low frequency nonlinear electric material and method for generation...
Patent number
5,110,504
Issue date
May 5, 1992
Agency of Industrial Science and Technology
Kohzo Ito
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for production of colored macromolecular polymer
Patent number
4,981,886
Issue date
Jan 1, 1991
Agency of Industrial Science Technology
Yukimichi Nako
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for dissolution of metal
Patent number
4,919,716
Issue date
Apr 24, 1990
Agency of Industrial Science & Technology, Ministry of International Trade &...
Yukimichi Nakao
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Thiophene derivative polymer and a polymer composition thereof
Patent number
4,892,678
Issue date
Jan 9, 1990
Agency of Industrial Science & Technology, Ministry of International Trade &...
Susumu Tanaka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thiophene derivative polymer and a polymer composition thereof
Patent number
4,877,852
Issue date
Oct 31, 1989
Agency of Industrial Science and Technology
Susumu Tanaka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing electroconductive fibrous shaped-articles
Patent number
4,792,645
Issue date
Dec 20, 1988
The Agency of Industrial Science and Technology
Yukimichi Nakao
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
3-N-higher alkylthiophene polymer and composition thereof
Patent number
4,737,557
Issue date
Apr 12, 1988
Agency of Industrial Science and Technology
Masaaki Sato
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thiophene derivative polymer, polymer composition, and methods for...
Patent number
4,691,005
Issue date
Sep 1, 1987
Agency of Industrial Science and Technology
Masaaki Sato
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...