Inventor
ITOH HAJIME
JP35 patents
⚠️ This page may combine multiple inventors who share the name “ITOH HAJIME”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI RAYON CO
18 patentsUS4802942AFeb 7, 1989
Method of making multilayer composite hollow fibers
MITSUBISHI RAYON CO59 citations96
US4713292ADec 15, 1987
Multilayer composite hollow fibers and method of making same
MITSUBISHI RAYON CO54 citations96
US4695592ASep 22, 1987
Hydrophilized porous membrane and production process thereof
MITSUBISHI RAYON CO33 citations92
US4919810AApr 24, 1990
Porous membrane
MITSUBISHI RAYON CO44 citations91
US6551705B1Apr 22, 2003
Chitosan-containing acrylic fibers and process for preparing the same
MITSUBISHI RAYON CO17 citations90
US6524508B1Feb 25, 2003
Process of making chitosan-containing acrylic fibers
MITSUBISHI RAYON CO30 citations90
US4678813AJul 7, 1987
Hydrophilized porous polyolefin membrane and production process thereof
MITSUBISHI RAYON CO18 citations81
US4876289AOct 24, 1989
Hydrophilized porous membrane and production process thereof
MITSUBISHI RAYON CO13 citations73
US4717479AJan 5, 1988
Hydrophilized porous polyolefin membrane and production process thereof
MITSUBISHI RAYON CO11 citations73
US4869857ASep 26, 1989
Process for producing porous membranes
MITSUBISHI RAYON CO12 citations72
US5252396AOct 12, 1993
Reversibly color-changing shaped material and process for producing the same
MITSUBISHI RAYON CO6 citations71
US5429871AJul 4, 1995
Reversibly color-changing shaped material and process for producing the same
MITSUBISHI RAYON CO3 citations60
US5264531ANov 23, 1993
Acrylonitrile copolymer, and fiber or core-sheath conjugate fiber prepared therefrom
MITSUBISHI RAYON CO5 citations60
US5260131ANov 9, 1993
Water-repellent hygroscopic fiber
MITSUBISHI RAYON CO5 citations60
US5234766AAug 10, 1993
Acrylonitrile copolymer, and fiber or core-sheath conjugate fiber prepared therefrom
MITSUBISHI RAYON CO2 citations60
US5955169ASep 21, 1999
Floppy disk
MITSUBISHI RAYON CO3 citations59
US4961853AOct 9, 1990
Porous membranes and production processes thereof
MITSUBISHI RAYON CO6 citations57
US5097011AMar 17, 1992
Process for preparing acrylonitrile polymer film
MITSUBISHI RAYON CO0 citations51
ASAHI GLASS CO LTD
10 patentsUS7007514B2Mar 7, 2006
Vacuum degassing apparatus for molten glass
ASAHI GLASS CO LTD15 citations82
US7650764B2Jan 26, 2010
Vacuum degassing apparatus for molten glass
ASAHI GLASS CO LTD6 citations71
US7000432B2Feb 21, 2006
Process for producing a glass for cathode ray tubes
ASAHI GLASS CO LTD8 citations68
US8019206B2Sep 13, 2011
Glass manufacturing apparatus and a structural member thereof
ASAHI GLASS CO LTD6 citations61
US6948338B2Sep 27, 2005
Vacuum degassing apparatus for molten glass
ASAHI GLASS CO LTD6 citations61
US9073772B2Jul 7, 2015
Conduit structure for molten glass, vacuum degassing apparatus, vacuum degassing method for molten glass and process for producing glass products employing said conduit structure
ASAHI GLASS CO LTD2 citations60
US7941038B2May 10, 2011
Glass manufacturing apparatus, a structural member thereof and method for heating the structural member by conduction heating
ASAHI GLASS CO LTD3 citations60
US8997526B2Apr 7, 2015
Vacuum degassing apparatus and vacuum degassing method for molten glass
ASAHI GLASS CO LTD0 citations50
US8347654B2Jan 8, 2013
Vacuum degassing apparatus and vacuum degassing method for molten glass
ASAHI GLASS CO LTD0 citations50
US8009970B2Aug 30, 2011
Method for electrically energizing and heating platinum composite tube structure
ASAHI GLASS CO LTD0 citations39