Inventor
KAWAMOTO MASAO
JP28 patents
⚠️ This page may combine multiple inventors who share the name “KAWAMOTO MASAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KURARAY CO
20 patentsUS6552123B1Apr 22, 2003
Thermoplastic polyvinyl alcohol fibers and method for producing them
KURARAY CO116 citations96
US5153066AOct 6, 1992
Temperature-sensitive color-changeable composite fiber
KURARAY CO82 citations95
US6413634B1Jul 2, 2002
Electrically-conductive composite fiber
KURARAY CO27 citations92
US5304420AApr 19, 1994
Vinyl alcohol unit-containing polymer fibers having high moisture absorption and high water absorption
KURARAY CO36 citations92
US6811874B2Nov 2, 2004
Composite fiber
KURARAY CO37 citations91
US6455156B2Sep 24, 2002
Hollow fibers and manufacturing method of hollow fibers
KURARAY CO36 citations91
US5464695ANov 7, 1995
Composite fiber containing inorganic fine powder
KURARAY CO29 citations91
US5318845AJun 7, 1994
Conductive composite filament and process for producing the same
KURARAY CO28 citations90
US5059482AOct 22, 1991
Composite fiber and process for producing the same
KURARAY CO37 citations90
US5047448ASep 10, 1991
Antimicrobial-shaped article and a process for producing the same
KURARAY CO53 citations90
US4254182AMar 3, 1981
Polyester synthetic fiber containing particulate material and a method for producing an irregularly uneven random surface having recesses and projections on said fiber by chemically extracting said particulate material
KURARAY CO40 citations90
US5567796AOct 22, 1996
Polyester fiber
KURARAY CO29 citations89
US7767298B2Aug 3, 2010
Electrically conductive composite fiber and process for producing the same
KURARAY CO10 citations82
US6635204B2Oct 21, 2003
Process of making hollow fibers and treating fibers
KURARAY CO10 citations72
US5087519AFeb 11, 1992
Ethylene-vinyl alcohol copolymer composite fiber and production thereof
KURARAY CO13 citations71
US5340650AAug 23, 1994
Vinyl alcohol units-containing polymer composite fiber having resistance to hot water and wet heat and process for its production
KURARAY CO17 citations70
US4916013AApr 10, 1990
Artificial hair and production thereof
KURARAY CO14 citations68
US5178945AJan 12, 1993
Polyester fiber having durable water absorbent property
KURARAY CO5 citations63
US5057369AOct 15, 1991
Heatsettable artificial hair and production thereof
KURARAY CO4 citations62
US7824769B2Nov 2, 2010
Conductive sheath-core conjugate fiber and process for producing the same
KURARAY CO5 citations61
NIPPON FURNACE KOGYO KK
7 patentsUS5431147AJul 11, 1995
Burner device of regenerative and alternate combustion type
NIPPON FURNACE KOGYO KK23 citations92
US5314170AMay 24, 1994
Steel heating furnace
NIPPON FURNACE KOGYO KK23 citations92
US5304059AApr 19, 1994
Burner device of regenerative and alternate combustion type
NIPPON FURNACE KOGYO KK24 citations92
US4870947AOct 3, 1989
Radiant tube burner
NIPPON FURNACE KOGYO KK31 citations92
US4856492AAug 15, 1989
Radiant tube burner
NIPPON FURNACE KOGYO KK23 citations82
US5516571AMay 14, 1996
Honeycomb-like regenerative bed element
NIPPON FURNACE KOGYO KK18 citations74
US5410988AMay 2, 1995
Tubular furnace and method of controlling combustion thereof
NIPPON FURNACE KOGYO KK4 citations59