USPTO Granted Patents = 2 (Patent Applications = 5)
EPO Patents = 2 (Patent Applications = 1)
Average Co-Inventor Count = 5.5
ph-index = 2
Forward Citations = 5(Granted Patents)
Company Filing History:
1 out of 58,130 
Sony Corporation
1 out of 335 Senju Metal Industry Co., Ltd.
1 out of 832,812 Other
where one patent can have more than one assignee
Years Active: 1993-2004
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2 patents (USPTO):Explore Patents
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5 patents pending:
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2 patents (EPO):
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1 patent pending (EPO):
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