Inventor

OHTAKI SAKASHI

JP7 patents

⚠️ This page may combine multiple inventors who share the name “OHTAKI SAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PIONEER CORP

5 patents

US6449095B1Sep 10, 2002

Optical pickup

PIONEER CORP161 citations97

US6373807B1Apr 16, 2002

Optical pickup information reproducing apparatus and information recording apparatus

PIONEER CORP16 citations83

US7054252B2May 30, 2006

Optical pickup with an aberration correction lens assembly

PIONEER CORP8 citations73

US7417939B2Aug 26, 2008

Optical pickup including aberration correction lens assembly

PIONEER CORP4 citations62

US6801491B1Oct 5, 2004

Focus error detecting apparatus of optical pickup with a light separating and astigmatism generation optical element and detection method thereof

PIONEER CORP3 citations62

PIONEER ELECTRONIC CORP

2 patents

US5859818AJan 12, 1999

Tilt servo apparatus for use in optical disc reproducing apparatus

PIONEER ELECTRONIC CORP61 citations95

US6218655B1Apr 17, 2001

Optical pickup

PIONEER ELECTRONIC CORP31 citations92