Toshitaka Ohta

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Tsukuba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Processes for producing a thermoelectric material and a thermoelect...
- Patent number 5,318,743
- Issue date Jun 7, 1994
- Idemitsu Petrochemical Co., Ltd.
- Takeo Tokiai
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Thermoelectric material
- Patent number 5,246,504
- Issue date Sep 21, 1993
- Director-General, Agency of Industrial Science & Technology
- Toshitaka Ohta
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Thermoelectric material and process for production thereof
- Patent number 5,108,515
- Issue date Apr 28, 1992
- Director-General, Agency of Industrial Science & Technology
- Toshitaka Ohta
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Thermoelectric module and process for producing thereof
- Patent number 5,103,286
- Issue date Apr 7, 1992
- Agency of Industrial Science and Technology
- Toshitaka Ohta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for producing a thermoelectric module
- Patent number 4,902,648
- Issue date Feb 20, 1990
- Agency of Industrial Science and Technology
- Toshitaka Ohta
- H01 - BASIC ELECTRIC ELEMENTS