Kazuya Ohkawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Composite semiconductor device, print head and image forming apparatus
- Patent number 8,130,253
- Issue date Mar 6, 2012
- Oki Data Corporation
- Kazuya Ohkawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Light emitting diode array and method of forming the same
- Patent number 6,342,402
- Issue date Jan 29, 2002
- Oki Electric Industry Co., Ltd.
- Tomoyoshi Tajiri
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting diode array with contact geometry
- Patent number 6,054,723
- Issue date Apr 25, 2000
- Oki Electric Industry Co., Ltd.
- Tomoyoshi Tajiri
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Composite semiconductor device, print head and image forming apparatus
- Publication number 20090322852
- Publication date Dec 31, 2009
- Oki Data Corporation
- Kazuya Ohkawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS