Ryoma Tsukuda

Person

Ageo-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electrode catalyst layer for fuel cells and solid polymer fuel cell...
- Patent number 11,652,216
- Issue date May 16, 2023
- Mitsui Mining & Smelting Co., Ltd.
- Satoshi Mogi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fuel cell electrode catalyst layer, production method therefor, mem...
- Patent number 10,629,935
- Issue date Apr 21, 2020
- Mitsui Mining & Smelting Co., Ltd.
- Ryoma Tsukuda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Tin oxide, electrode catalyst for fuel cells, membrane electrode as...
- Patent number 10,615,425
- Issue date Apr 7, 2020
- Mitsui Mining & Smelting Co., Ltd.
- Koichi Miyake
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Al-Ni-B alloy material for reflective film
- Patent number 8,003,218
- Issue date Aug 23, 2011
- Mitsui Mining & Smelting Co., Ltd.
- Yoshinori Matsuura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for preparing p-type thermoelectric material
- Patent number 6,840,844
- Issue date Jan 11, 2005
- Mitsui Mining & Smelting Co., Ltd.
- Norihiko Miyashita
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ELECTRODE CATALYST LAYER FOR FUEL CELLS AND SOLID POLYMER FUEL CELL...
- Publication number 20210273239
- Publication date Sep 2, 2021
- Mitsui Mining and Smelting Co., Ltd.
- Satoshi MOGI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TIN OXIDE, ELECTRODE CATALYST FOR FUEL CELLS, MEMBRANE ELECTRODE AS...
- Publication number 20180175398
- Publication date Jun 21, 2018
- Mitsui Mining & Smelting Co., Ltd.
- Koichi MIYAKE
- C01 - INORGANIC CHEMISTRY
Information Patent Application
FUEL CELL ELECTRODE CATALYST LAYER, PRODUCTION METHOD THEREFOR, MEM...
- Publication number 20170279143
- Publication date Sep 28, 2017
- Mitsui Mining and Smelting Co., Ltd.
- Ryoma TSUKUDA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Al-Ni ALLOY WIRING ELECTRODE MATERIAL
- Publication number 20110158845
- Publication date Jun 30, 2011
- Mitsui Mining and Smelting Co., Ltd.
- Shigeki Tokuchi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
ALUMINUM-NICKEL ALLOY WIRING MATERIAL, DEVICE FOR A THIN FILM TRANS...
- Publication number 20100244032
- Publication date Sep 30, 2010
- Samsung Electronics Co., Ltd.
- Pil Sang YUN
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Al-Ni-B ALLOY MATERIAL FOR REFLECTIVE FILM
- Publication number 20090230416
- Publication date Sep 17, 2009
- Yoshinori Matsuura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
N-type thermoelectric material and method of preparing thereof
- Publication number 20040217333
- Publication date Nov 4, 2004
- MITSUI MINING AND SMELTING CO., LTD
- Norihiko Miyashita
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Thermoelectric material and process for manufacturing the same
- Publication number 20030168094
- Publication date Sep 11, 2003
- MITSUI MINING AND SMELTING CO., LTD
- Norihiko Miyasita
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Process for preparing p-type thermoelectric material
- Publication number 20030153248
- Publication date Aug 14, 2003
- MITSUI MINING AND SMELTING CO., LTD
- Norihiko Miyashita
- H01 - BASIC ELECTRIC ELEMENTS

Ryoma Tsukuda

Person

Patents Grantslast 30 patents

Electrode catalyst layer for fuel cells and solid polymer fuel cell...

Fuel cell electrode catalyst layer, production method therefor, mem...

Tin oxide, electrode catalyst for fuel cells, membrane electrode as...

Al-Ni-B alloy material for reflective film

Process for preparing p-type thermoelectric material

Patents Applicationslast 30 patents

ELECTRODE CATALYST LAYER FOR FUEL CELLS AND SOLID POLYMER FUEL CELL...

TIN OXIDE, ELECTRODE CATALYST FOR FUEL CELLS, MEMBRANE ELECTRODE AS...

FUEL CELL ELECTRODE CATALYST LAYER, PRODUCTION METHOD THEREFOR, MEM...

Al-Ni ALLOY WIRING ELECTRODE MATERIAL

ALUMINUM-NICKEL ALLOY WIRING MATERIAL, DEVICE FOR A THIN FILM TRANS...

Al-Ni-B ALLOY MATERIAL FOR REFLECTIVE FILM

N-type thermoelectric material and method of preparing thereof

Thermoelectric material and process for manufacturing the same

Process for preparing p-type thermoelectric material