Yutaka Ohashi

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Kamakura-shi, Kanagawa 247, JP

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Patents Grantslast 30 patents

Information Patent Grant
Tetravinylpyrazine compound, method for preparing same and electrol...
- Patent number 5,416,213
- Issue date May 16, 1995
- Mitsui Toatsu Chemicals, Inc.
- Masaki Hasegawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
EL element comprising organic thin film
- Patent number 5,306,572
- Issue date Apr 26, 1994
- Mitsui Toatsu Chemicals, Inc.
- Yutaka Ohashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Luminescence element
- Patent number 5,200,668
- Issue date Apr 6, 1993
- Mitsui Toatsu Chemicals, Inc.
- Yutaka Ohashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for producing hydrogenated amorphous silicon thin film and...
- Patent number 4,749,588
- Issue date Jun 7, 1988
- Nobuhiro Fukuda
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...