Takashi Haruta

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Amagasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Microetching composition for copper or copper alloy
- Patent number 5,965,036
- Issue date Oct 12, 1999
- MEC Co., Ltd.
- Yoshiro Maki
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Microetching method for copper or copper alloy
- Patent number 5,807,493
- Issue date Sep 15, 1998
- MEC Co., Ltd.
- Yoshiro Maki
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Composition for treating copper and copper alloy surfaces and metho...
- Patent number 5,496,590
- Issue date Mar 5, 1996
- MEC Co., Ltd.
- Yoshiro Maki
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Process for removing tin and tin-lead alloy from copper substrates
- Patent number 5,035,749
- Issue date Jul 30, 1991
- Mec Co., Ltd.
- Takashi Haruta
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...