Inventor
ISHIGAKI MASAJI
JP22 patents
⚠️ This page may combine multiple inventors who share the name “ISHIGAKI MASAJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
21 patentsUS5818168AOct 6, 1998
Gas discharge display panel having communicable main and auxiliary discharge spaces and manufacturing method therefor
HITACHI LTD81 citations96
US6320560B1Nov 20, 2001
Plasma display, driving apparatus of plasma display panel and driving system thereof
HITACHI LTD61 citations95
US6100939AAug 8, 2000
Tone display method and apparatus for displaying image signal
HITACHI LTD63 citations95
US6838825B2Jan 4, 2005
Adjustment of luminance balance of red, green and blue light emissions for plasma display by using different sized areas of phosphor layers producing corresponding colors
HITACHI LTD16 citations92
US6411032B1Jun 25, 2002
Adjustment of luminance balance of red, green and blue light emissions for plasma display by using different sized areas of phosphor layers producing corresponding colors
HITACHI LTD37 citations92
US6407509B1Jun 18, 2002
Plasma display panel
HITACHI LTD27 citations92
US6404411B1Jun 11, 2002
Display panel driving method and discharge type display apparatus
HITACHI LTD21 citations92
US6333766B1Dec 25, 2001
Tone display method and apparatus for displaying image signal
HITACHI LTD18 citations92
US6333599B1Dec 25, 2001
Plasma display system
HITACHI LTD42 citations92
US6281863B1Aug 28, 2001
Plasma display panel driving system and method
HITACHI LTD48 citations92
US6151000ANov 21, 2000
Display apparatus and display method thereof
HITACHI LTD21 citations92
US5892492AApr 6, 1999
Plasma display panel with optical filters
HITACHI LTD24 citations92
US5276670AJan 4, 1994
Phase change optical disk and method for using the same
HITACHI LTD48 citations92
US4783776ANov 8, 1988
Method of recording and reproducing digital information and apparatus therefor
HITACHI LTD30 citations92
US4645712AFeb 24, 1987
Information recording medium
HITACHI LTD30 citations90
US5889501AMar 30, 1999
Plasma display apparatus and method of driving the same
HITACHI LTD18 citations84
US6512500B2Jan 28, 2003
Plasma display, driving apparatus for a plasma display panel and driving method thereof
HITACHI LTD6 citations73
US5107482AApr 21, 1992
Optical information recording method and apparatus and recording medium used therefor
HITACHI LTD20 citations73
US6115011ASep 5, 2000
Plasma display device and driving method
HITACHI LTD12 citations71
US6747410B1Jun 8, 2004
Display panel and discharge type display apparatus having mixture of three gases
HITACHI LTD5 citations62
US6417822B1Jul 9, 2002
Display device and driving method thereof
HITACHI LTD2 citations62