Eiichi Akiyoshi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Shadow mask plate material and shadow mask
- Patent number 5,532,088
- Issue date Jul 2, 1996
- Kabushiki Kaisha Toshiba
- Koichi Teshima
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of treating nickel-containing etching waste fluid
- Patent number 5,328,670
- Issue date Jul 12, 1994
- Nittetu Chemical Engineering, Ltd.
- Teruhiko Hirabayashi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...