Mayumi Hada

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Niigata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for manufacturing semiconductor device
- Patent number 6,199,567
- Issue date Mar 13, 2001
- Mitsubishi Denki Kabushiki Kaisha
- Itaru Kanno
- B08 - CLEANING
Information Patent Grant
Method of producing semiconductor device and rinse for cleaning sem...
- Patent number 5,911,836
- Issue date Jun 15, 1999
- Mitsubishi Gas Chemical Company, Inc.
- Mayumi Hada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Removing agent composition for photoresist and method of removing
- Patent number 5,567,574
- Issue date Oct 22, 1996
- Mitsubishi Gas Chemical Company, Inc.
- Ryuji Hasemi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY