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Fukushima-ken, Japan

Kazuyoshi Yamagata

USPTO Granted Patents = 4

Average Co-Inventor Count = 3.4

ph-index = 3

Forward Citations = 86(Granted Patents)

Location History:

Sumiyoshi, JP (1991)
Fukushima-ken, JP (1998 - 1999)

Company Filing History:

Alps Electric Co., Ltd.

Years Active: 1991-1999

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5893633 - Light-emitting apparatus and method of producing the same (1999-04-13),

2. 5841154 - Light-emitting diode device with reduced scatter (1998-11-24),

3. 5835209 - Relative-angle detection apparatus (1998-11-10),

4. 5066842 - Key top (1991-11-19),

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