Masakazu Kuwahara

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Transparent conductive oxide film, photoelectric conversion element...
- Patent number 10,475,939
- Issue date Nov 12, 2019
- Sumitomo Metal Mining Co., Ltd.
- Yoshiyuki Abe
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Oxide evaporation material, transparent conducting film, and solar...
- Patent number 9,099,219
- Issue date Aug 4, 2015
- Sumitomo Metal Mining Co., Ltd.
- Yoshiyuki Abe
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Oxide evaporation material, vapor-deposited thin film, and solar cell
- Patent number 8,941,002
- Issue date Jan 27, 2015
- Sumitomo Metal Mining Co., Ltd.
- Yoshiyuki Abe
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Oxide evaporation material, transparent conducting film, and solar...
- Patent number 8,574,464
- Issue date Nov 5, 2013
- Sumitomo Metal Mining Co., Ltd.
- Yoshiyuki Abe
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Oxide evaporation material and high-refractive-index transparent film
- Patent number 8,343,387
- Issue date Jan 1, 2013
- Sumitomo Metal Mining Co., Ltd.
- Yoshiyuki Abe
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
TRANSPARENT CONDUCTIVE OXIDE FILM, PHOTOELECTRIC CONVERSION ELEMENT...
- Publication number 20180175224
- Publication date Jun 21, 2018
- Sumitomo Metal Mining Co., Ltd.
- Yoshiyuki Abe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OXIDE EVAPORATION MATERIAL, TRANSPARENT CONDUCTING FILM, AND SOLAR...
- Publication number 20130327395
- Publication date Dec 12, 2013
- Sumitomo Metal Mining Co., Ltd.
- Yoshiyuki ABE
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
OXIDE EVAPORATION MATERIAL, VAPOR-DEPOSITED THIN FILM, AND SOLAR CELL
- Publication number 20120279564
- Publication date Nov 8, 2012
- Sumitomo Metal Mining Co., Ltd.
- Yoshiyuki ABE
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
OXIDE EVAPORATION MATERIAL AND HIGH-REFRACTIVE-INDEX TRANSPARENT FILM
- Publication number 20110147676
- Publication date Jun 23, 2011
- Sumitomo Metal Mining Co., Ltd.
- Yoshiyuki ABE
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
OXIDE EVAPORATION MATERIAL, TRANSPARENT CONDUCTING FILM, AND SOLAR...
- Publication number 20110126899
- Publication date Jun 2, 2011
- Sumitomo Metal Mining Co., Ltd.
- Yoshiyuki ABE
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...