Kazuhisa Ishikawa

Follow

Person

Gunma-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for treating metal surface, rotary shaft for refrigerant com...
- Patent number 6,139,296
- Issue date Oct 31, 2000
- Sanyo Electric Co., Ltd.
- Masazo Okajima
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Refrigerant compressor and cooling apparatus comprising the same
- Patent number 6,035,661
- Issue date Mar 14, 2000
- Sanyo Electric Co., Ltd.
- Takashi Sunaga
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigerant compressor and cooling apparatus comprising the same
- Patent number 5,956,959
- Issue date Sep 28, 1999
- Sanyo Electric Co., Ltd.
- Takashi Sunaga
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...