Inventor
HASEGAWA KATSUMI
JP59 patents
⚠️ This page may combine multiple inventors who share the name “HASEGAWA KATSUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KAI R&D CENTER CO LTD
18 patentsUSD699396SFeb 11, 2014
Safety razor
KAI R&D CENTER CO LTD35 citations94
USD547135SJul 24, 2007
Kitchen knife
KAI R&D CENTER CO LTD17 citations93
USD329185SSep 8, 1992
Handle for a knife
KAI R&D CENTER CO LTD32 citations93
USD503323SMar 29, 2005
Scissors
KAI R&D CENTER CO LTD20 citations89
USD690562SOct 1, 2013
Kitchen knife
KAI R&D CENTER CO LTD11 citations84
US7694423B2Apr 13, 2010
Fingerhook structure of scissors
KAI R&D CENTER CO LTD14 citations84
USD604131SNov 17, 2009
Opener for a bottle of sparkling wine
KAI R&D CENTER CO LTD9 citations84
USD599635SSep 8, 2009
Corkscrew
KAI R&D CENTER CO LTD11 citations84
USD545140SJun 26, 2007
Handle for a knife
KAI R&D CENTER CO LTD12 citations84
USD541123SApr 24, 2007
Scissors
KAI R&D CENTER CO LTD12 citations84
USD474654SMay 20, 2003
Kitchen utensil handle
KAI R&D CENTER CO LTD15 citations84
USD502077SFeb 22, 2005
Scissors
KAI R&D CENTER CO LTD6 citations74
USD461104SAug 6, 2002
Knife handle
KAI R&D CENTER CO LTD9 citations74
USD321818SNov 26, 1991
Scissors
KAI R&D CENTER CO LTD7 citations74
USD750459SMar 1, 2016
Scissors
KAI R&D CENTER CO LTD5 citations73
USD751365SMar 15, 2016
Scissors
KAI R&D CENTER CO LTD2 citations63
US7392587B2Jul 1, 2008
Handle for scissors
KAI R&D CENTER CO LTD6 citations63
USD537698SMar 6, 2007
Hand sharpener
KAI R&D CENTER CO LTD5 citations63
TORAY INDUSTRIES
14 patentsUS4245794AJan 20, 1981
Yarn winding apparatus
TORAY INDUSTRIES64 citations96
US5019316AMay 28, 1991
Method for producing thermoplastic synthetic yarn
TORAY INDUSTRIES28 citations89
US4394986AJul 26, 1983
Yarn winding apparatus
TORAY INDUSTRIES37 citations89
US3931938AJan 13, 1976
Method and apparatus for winding yarn into yarn package
TORAY INDUSTRIES36 citations88
US4973236ANov 27, 1990
Apparatus for melt-spinning thermoplastic polymer fibers
TORAY INDUSTRIES16 citations81
US4863662ASep 5, 1989
Method for melt-spinning thermoplastic polymer fibers
TORAY INDUSTRIES16 citations81
US4216920AAug 12, 1980
Turret type yarn winding apparatus
TORAY INDUSTRIES25 citations77
US4993651AFeb 19, 1991
Yarn winding apparatus
TORAY INDUSTRIES17 citations73
US4362260ADec 7, 1982
Yarn feeding apparatus
TORAY INDUSTRIES11 citations73
US4702871AOct 27, 1987
Method for melt-spinning thermoplastic polymer fibers
TORAY INDUSTRIES16 citations72
US4852819AAug 1, 1989
Yarn winder
TORAY INDUSTRIES11 citations71
US4674694AJun 23, 1987
Yarn winding apparatus
TORAY INDUSTRIES19 citations71
US4103833AAug 1, 1978
Yarn winding apparatus
TORAY INDUSTRIES7 citations65
US4081888AApr 4, 1978
Apparatus for producing compact yarn package
TORAY INDUSTRIES6 citations63
KAI CUTLERY CENTER CO
6 patentsUSD365266SDec 19, 1995
Knife
KAI CUTLERY CENTER CO90 citations96
USD377744SFeb 4, 1997
Pocket knife
KAI CUTLERY CENTER CO44 citations93
USD375243SNov 5, 1996
Knife handle
KAI CUTLERY CENTER CO37 citations93
USD351328SOct 11, 1994
Handgrip for a knife
KAI CUTLERY CENTER CO18 citations82
USD389014SJan 13, 1998
Knife handle
KAI CUTLERY CENTER CO16 citations74
USD365725SJan 2, 1996
Handle for a knife
KAI CUTLERY CENTER CO8 citations74
HASEGAWA KATSUMI
5 patentsUSD670029SOct 30, 2012
Safety razor
HASEGAWA KATSUMI31 citations92
USD662664SJun 26, 2012
Safety razor
HASEGAWA KATSUMI37 citations92
USD410833SJun 8, 1999
Multi-tool
HASEGAWA KATSUMI30 citations92
USD677538SMar 12, 2013
Pair of scissors
HASEGAWA KATSUMI12 citations84
USD678019SMar 19, 2013
Pair of scissors
HASEGAWA KATSUMI4 citations63
KAI USA LTD
2 patentsTORAY ENG CO LTD
2 patentsKAI R&D CENTER CO
1 patentVICTOR COMPANY OF JAPAN
1 patentDART IND INC
1 patentShowing the top 50 of 59 patents by PatentIndex Score.