Inventor
IIDA SHIGEKI
JP23 patents
⚠️ This page may combine multiple inventors who share the name “IIDA SHIGEKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON OIL CO LTD
17 patentsUS5132147AJul 21, 1992
Method for orienting a liquid crystalline polymer
NIPPON OIL CO LTD76 citations96
US5193020AMar 9, 1993
Method for producing compensator for liquid crystal display
NIPPON OIL CO LTD51 citations95
US5472635ADec 5, 1995
Phase plate and liquid crystal display using same
NIPPON OIL CO LTD39 citations92
US5326496AJul 5, 1994
Compensator for liquid crystal display
NIPPON OIL CO LTD22 citations92
US5206752AApr 27, 1993
Optical rotator formed of a twisted nematic liquid crystal polyster including an ortho-substituted aromatic unit
NIPPON OIL CO LTD26 citations92
US4999416AMar 12, 1991
Wholly aromatic polyesters
NIPPON OIL CO LTD29 citations92
US5496498AMar 5, 1996
Compensator for liquid crystal display
NIPPON OIL CO LTD9 citations74
US5260109ANov 9, 1993
Method for polarizing light
NIPPON OIL CO LTD14 citations74
US4933243AJun 12, 1990
Recording medium
NIPPON OIL CO LTD10 citations73
US4891418AJan 2, 1990
Cholesteric liquid crystal polyester
NIPPON OIL CO LTD8 citations73
US4738811AApr 19, 1988
Process for producing cholesteric liquid crystal polyester film or sheet possessing ordered planar texture
NIPPON OIL CO LTD11 citations73
US4698397AOct 6, 1987
Cholesteric liquid crystal copolyesters
NIPPON OIL CO LTD13 citations73
US4652626AMar 24, 1987
High modulus cholesteric liquid crystal polyesters
NIPPON OIL CO LTD11 citations73
US5097016AMar 17, 1992
Nonlinear optical materials of polypeptides
NIPPON OIL CO LTD9 citations69
US5110698AMay 5, 1992
Method of recording
NIPPON OIL CO LTD4 citations62
US4746722AMay 24, 1988
Cholesteric liquid crystal polyesters
NIPPON OIL CO LTD5 citations62
US4734483AMar 29, 1988
Cholesteric liquid crystal polyester from hydroquinone, cyclohexane dicarboxylic acid and 3-methyl adipic acid
NIPPON OIL CO LTD0 citations51
RICOH KK
3 patentsUS5250214AOct 5, 1993
Liquid crystal color display device provided with a color filter film and an optical phase plate comprising liquid crystal polymer
RICOH KK88 citations96
US5064697ANov 12, 1991
Substrate with a liquid crystal polymeric thin film and method for manufacturing the same
RICOH KK39 citations92
US5147682ASep 15, 1992
Method for orienting a liquid crystal polymer
RICOH KK17 citations74