Yoshito Uemura

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Satsuma-gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing spark plug and caulking metallic mold
- Patent number 6,688,932
- Issue date Feb 10, 2004
- NGK Spark Plug Co. Ltd.
- Hiroaki Nasu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Metal member with chromate coat, spark plug with chromate coat and...
- Patent number 6,538,365
- Issue date Mar 25, 2003
- NGK Spark Plug Co., Ltd.
- Hiroaki Nasu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
Method for manufactoring spark plug and caulking metallic mold
- Publication number 20020193033
- Publication date Dec 19, 2002
- NGK SPARK PLUG CO., LTD.
- Hiroaki Nasu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Metal member with chromate coat, spark plug with chromate coat and...
- Publication number 20010050522
- Publication date Dec 13, 2001
- Hiroaki Nasu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...