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Hajime Yoshikawa

USPTO Granted Patents = 3

Average Co-Inventor Count = 1.5

ph-index = 3

Forward Citations = 35(Granted Patents)

Location History:

Tokyo, JP (2009)
Chiba, JP (2009 - 2011)

Company Filing History:

Sony Computer Entertainment Inc.

Years Active: 2009-2011

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3 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7999167 - Music composition reproduction device and composite device including the same (2011-08-16),

2. 7592534 - Music composition reproduction device and composite device including the same (2009-09-22),

3. 7514622 - Musical sound production apparatus and musical (2009-04-07),

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