Akifumi Sakamoto

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Thermal insulator and method of manufacturing the same
- Patent number 9,950,963
- Issue date Apr 24, 2018
- Nichias Corporation
- Akifumi Sakamoto
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Heat-resistant material for low-melting metal casting machine
- Patent number 7,700,061
- Issue date Apr 20, 2010
- Nichias Corporation
- Akifumi Sakamoto
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Database processing device
- Patent number 4,821,175
- Issue date Apr 11, 1989
- Oki Electric Industry Co., Ltd.
- Sadayuki Hikita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Join operation processing system in distributed data base managemen...
- Patent number 4,811,207
- Issue date Mar 7, 1989
- Oki Electric Industry Company, Ltd.
- Sakayuki Hikita
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
THERMAL INSULATOR AND METHOD OF MANUFACTURING THE SAME
- Publication number 20160244371
- Publication date Aug 25, 2016
- NICHIAS CORPORATION
- Akifumi SAKAMOTO
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
THERMAL INSULATOR AND METHOD OF MANUFACTURING THE SAME
- Publication number 20130266801
- Publication date Oct 10, 2013
- NICHIAS CORPORATION
- Akifumi Sakamoto
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
THERMAL INSULATION MATERIAL
- Publication number 20110052897
- Publication date Mar 3, 2011
- NICHIAS CORPORATION
- Yoshihiko Goto
- B32 - LAYERED PRODUCTS
Information Patent Application
Fused siliceous refractory and production method thereof
- Publication number 20070243994
- Publication date Oct 18, 2007
- NICHIAS CORPORATION
- Akifumi Sakamoto
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES