Inventor
TAKIGUCHI HITOSHI
JP2 patents
Patents
2 patentsUS7170831B2Jan 30, 2007
Optical pickup astigmatism measuring method, optical pickup astigmatism adjusting method, and optical pickup astigmatism measuring system
PIONEER CORP1 citations45
US7064308B2Jun 20, 2006
Method of and apparatus for adjusting the focus position of an optical pickup
PIONEER CORP0 citations34