Inventor
SASAKI SHIGEKUNI
JP15 patents
Patents
15 patentsUS5598501AJan 28, 1997
Polyimide optical waveguide and method of manufacturing the same
NIPPON TELEGRAPH & TELEPHONE53 citations95
US5108201AApr 28, 1992
Polyimide optical waveguide
NIPPON TELEGRAPH & TELEPHONE70 citations95
US5572619ANov 5, 1996
Polimide optical waveguide
NIPPON TELEGRAPH & TELEPHONE39 citations92
US5233018AAug 3, 1993
Perfluorinated polyimide, perfluorinated poly(amic acid), starting compounds therefor, and methods for preparing them
NIPPON TELEGRAPH & TELEPHONE22 citations92
US6048986AApr 11, 2000
Method for preparing aromatic compounds
NIPPON TELEGRAPH & TELEPHONE14 citations82
US5849934ADec 15, 1998
Method for preparing aromatic compounds
NIPPON TELEGRAPH & TELEPHONE9 citations74
US5750731AMay 12, 1998
Perfluorinated aromatic compounds
NIPPON TELEGRAPH & TELEPHONE4 citations74
US5449741ASep 12, 1995
Polyimide optical material
NIPPON TELEGRAPH & TELEPHONE16 citations74
US4769475ASep 6, 1988
Bis(hydroxyphthalimide) and process for preparing the same, and process for preparing polyesterimide by the use thereof
NIPPON TELEGRAPH & TELEPHONE5 citations72
US4666760AMay 19, 1987
Flexible optical solar reflector
NIPPON TELEGRAPH & TELEPHONE12 citations71
US4637939AJan 20, 1987
Optical adhesive composition
NIPPON TELEGRAPH & TELEPHONE6 citations70
US4591627AMay 27, 1986
Optical adhesive composition
NIPPON TELEGRAPH & TELEPHONE10 citations70
US4855390AAug 8, 1989
Process for preparing polyesterimide from bis(hydroxyphthalimide)
NIPPON TELEGRAPH & TELEPHONE2 citations61
US4808676AFeb 28, 1989
Polyetherimide/epoxyimide resin composition
NIPPON TELEGRAPH & TELEPHONE4 citations60
US4948831AAug 14, 1990
Process for preparing polyetherimide/epoxyimide resin composition
NIPPON TELEGRAPH & TELEPHONE1 citations50