Inventor

NISHIMURA TOMOTAKA

JP4 patents

Patents

4 patents

US6845078B2Jan 18, 2005

Optical pickup apparatus

PIONEER CORP3 citations59

US6813235B2Nov 2, 2004

Optical pickup apparatus an optical axis correcting element

PIONEER CORP6 citations59

US6643246B2Nov 4, 2003

Optical pickup apparatus

PIONEER CORP1 citations47

US7149174B2Dec 12, 2006

Optical pickup

PIONEER CORP0 citations38