Hiroshige Nakagawa

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Sakurai, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for blackening Ni-Fe shadow mask and mesh belt type blackeni...
- Patent number 5,358,575
- Issue date Oct 25, 1994
- Chugai Ro Company, Limited
- Hiroshige Nakagawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
CRT exhaust oven
- Patent number 5,201,682
- Issue date Apr 13, 1993
- Chugai Ro Co., Ltd.
- Hiroshige Nakagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Exhaust oven for cathode ray tubes
- Patent number 4,752,268
- Issue date Jun 21, 1988
- Chugai Ro Co., Ltd.
- Satoshi Kataoka
- F27 - FURNACES KILNS OVENS RETORTS