Aya Yamanaka

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
LED array alignment mark, method and mask for forming same, and LED...
- Patent number 6,023,104
- Issue date Feb 8, 2000
- Oki Electric Industry Co., Ltd.
- Masumi Koizumi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
LED array alignment mark, method and mask for forming same, and LED...
- Patent number 5,943,586
- Issue date Aug 24, 1999
- Oki Electric Industry Co., Ltd.
- Masumi Koizumi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
End face light-emitting-type LED, end face light-emitting-type LED...
- Patent number 5,869,848
- Issue date Feb 9, 1999
- Oki Electric Industry Co., Ltd.
- Masaharu Nobori
- H01 - BASIC ELECTRIC ELEMENTS