Inventor
OOTAKI SAKASHI
JP9 patents
Patents
9 patentsUS5009490AApr 23, 1991
Photo-conductive liquid crystal light valve
PIONEER ELECTRONIC CORP175 citations98
US5734637AMar 31, 1998
Optical pickup used with both DVD and CD
PIONEER ELECTRONIC CORP102 citations97
US6151154ANov 21, 2000
Optical pickup, aberration correction unit and astigmatism measurement method
PIONEER ELECTRONIC CORP61 citations96
US6078554AJun 20, 2000
Wave-front aberration compensation unit, wave-front aberration compensation device, and optical pickup
PIONEER ELECTRONIC CORP77 citations96
US5936923AAug 10, 1999
Optical pickup with aberration correcting panel including a liquid crystal
PIONEER ELECTRONIC CORP52 citations96
US5901131AMay 4, 1999
Optical pickup used with both DVD and CD
PIONEER ELECTRONIC CORP43 citations96
US5459593AOct 17, 1995
Reflection type liquid crystal display apparatus which prevents rotation of the polarization plane
PIONEER ELECTRONIC CORP22 citations92
US5949748ASep 7, 1999
Optical write/read head with a pretilted liquid crystal panel
PIONEER ELECTRONIC CORP14 citations73
US5673246ASep 30, 1997
Optical pickup device
PIONEER ELECTRONIC CORP12 citations73