Frank J. Johnson

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Santa Cruz, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of and apparatus for producing a strip of lead frames for in...
- Patent number 5,305,043
- Issue date Apr 19, 1994
- Amkor Electronics, Inc.
- Frank J. Johnson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Slitter machine for use in manufacturing semiconductor devices
- Patent number 5,269,210
- Issue date Dec 14, 1993
- Amkor Electronics, Inc.
- Frank J. Johnson
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Method of producing a strip of lead frames for integrated circuit d...
- Patent number 5,183,724
- Issue date Feb 2, 1993
- Amkor Electronics, Inc.
- Frank J. Johnson
- H01 - BASIC ELECTRIC ELEMENTS