Inventor
TSUKAHARA MASAHISA
JP13 patents
⚠️ This page may combine multiple inventors who share the name “TSUKAHARA MASAHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
9 patentsUS6388713B1May 14, 2002
Image display apparatus, and method to prevent or limit user adjustment of displayed image quality
HITACHI LTD20 citations92
US6288748B1Sep 11, 2001
Display device also compatible with digital broadcasts
HITACHI LTD16 citations92
US6268887B1Jul 31, 2001
Image display apparatus and personal computer for displaying personal computer signals and broadcast signals
HITACHI LTD25 citations92
US5886482AMar 23, 1999
Display device with dynamic focus circuit
HITACHI LTD8 citations74
US6563546B2May 13, 2003
High definition display unit and high definition display method
HITACHI LTD7 citations73
US6433832B2Aug 13, 2002
Image display apparatus and personal computer for displaying personal computer signals and broadcast signals
HITACHI LTD8 citations73
US6060845AMay 9, 2000
Raster distortion correction and deflection circuit arrangement
HITACHI LTD4 citations63
US6798460B2Sep 28, 2004
High definition display unit and high definition display method
HITACHI LTD4 citations62
US6529245B2Mar 4, 2003
Display device also compatible with digital broadcasts
HITACHI LTD2 citations62