Inventor
IWAI YOSHIO
JP23 patents
⚠️ This page may combine multiple inventors who share the name “IWAI YOSHIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
12 patentsUS6661484B1Dec 9, 2003
Retardation matching using the liquid crystal twist angle for different color dots within a pixel of a reflective color LCD
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD110 citations97
US6392722B1May 21, 2002
Liquid crystal display device, and video display apparatus, information processing apparatus using it and method thereof
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD52 citations92
US6278508B1Aug 21, 2001
Reflection type liquid crystal display device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations92
US5151803ASep 29, 1992
Pixel-gap controlled ferroelectric liquid crystal display device and its driving method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD41 citations92
US5446569AAug 29, 1995
Liquid crystal display apparatus having a random orientation alignment film and a method for producing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD44 citations91
US6407787B1Jun 18, 2002
Reflective liquid crystal display device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD19 citations83
US6373541B1Apr 16, 2002
Reflection type liquid crystal display element
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations83
US6567149B1May 20, 2003
Reflection liquid crystal display device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations73
US6480251B1Nov 12, 2002
Reflection liquid crystal display element
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations73
US6271905B1Aug 7, 2001
Reflective liquid crystal display device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations73
US6633352B2Oct 14, 2003
Reflection type liquid crystal display device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations62
US6297863B1Oct 2, 2001
Reflective liquid crystal display device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations62
DAIKIN IND LTD
4 patentsUS5849658ADec 15, 1998
Method for preparing fluorination catalyst used to fluorinate halogenated hydrocarbons
DAIKIN IND LTD17 citations92
US6337299B1Jan 8, 2002
Fluorination catalyst and process for fluorinating halogenated hydrocarbon
DAIKIN IND LTD8 citations74
US6300531B1Oct 9, 2001
Fluorination catalyst and process for fluorinating halogenated hydrocarbon
DAIKIN IND LTD4 citations63
US5075508ADec 24, 1991
Triperfluoroalkylamines and preparation of the same
DAIKIN IND LTD0 citations49