Inventor
YAMAWAKI TAKASHI
JP25 patents
⚠️ This page may combine multiple inventors who share the name “YAMAWAKI TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NETUREN CO LTD
10 patentsUS10612642B2Apr 7, 2020
Method for manufacturing rack and hollow rack bar
NETUREN CO LTD8 citations84
US9328815B2May 3, 2016
Rack bar and rack bar teeth forming die
NETUREN CO LTD6 citations73
US9316294B2Apr 19, 2016
Rack bar and rack bar teeth forming die
NETUREN CO LTD3 citations73
US10562138B2Feb 18, 2020
Method for manufacturing rack bar
NETUREN CO LTD6 citations71
US10449995B2Oct 22, 2019
Hollow rack bar and method of manufacturing the hollow rack bar
NETUREN CO LTD1 citations62
US10060518B2Aug 28, 2018
Rack bar and rack bar teeth forming die
NETUREN CO LTD1 citations52
US9046157B2Jun 2, 2015
Mandrel, set of mandrels, and hollow rack bar
NETUREN CO LTD0 citations52
US8365573B2Feb 5, 2013
Mandrel, set of mandrels, and hollow rack bar
NETUREN CO LTD0 citations52
US11980929B2May 14, 2024
Manufacturing method for hollow rack bar and hollow rack bar manufacturing apparatus
NETUREN CO LTD0 citations45
US9920826B2Mar 20, 2018
Hollow rack bar and method of manufacturing hollow rack bar
NETUREN CO LTD0 citations41
IDEMITSU PETROCHEMICAL CO
9 patentsUS4550143AOct 29, 1985
Composition comprising ethylene-based polymers
IDEMITSU PETROCHEMICAL CO29 citations89
US4975492ADec 4, 1990
Butene-1 copolymer composition
IDEMITSU PETROCHEMICAL CO7 citations74
US5093189AMar 3, 1992
Butene-1 polymer film and laminated film thereof
IDEMITSU PETROCHEMICAL CO13 citations73
US5030506AJul 9, 1991
Polyolefin type resin laminate
IDEMITSU PETROCHEMICAL CO18 citations73
US4943615AJul 24, 1990
Olefin copolymer composition
IDEMITSU PETROCHEMICAL CO16 citations73
US5330949AJul 19, 1994
Method for producing polyolefin
IDEMITSU PETROCHEMICAL CO11 citations71
US5241024AAug 31, 1993
Method for producing butene-1 polymer
IDEMITSU PETROCHEMICAL CO4 citations61
US4906429AMar 6, 1990
Process for producing blown film of butene-1 polymer
IDEMITSU PETROCHEMICAL CO1 citations52
US5202370AApr 13, 1993
Butene-1 copolymer composition
IDEMITSU PETROCHEMICAL CO0 citations44
YAMAWAKI TAKASHI
4 patentsUS8104369B2Jan 31, 2012
Hollow rack, hollow rack end diameter reducing method, hollow rack end diameter reducing apparatus, and hollow rack manufacturing method
YAMAWAKI TAKASHI7 citations80
US8595936B2Dec 3, 2013
Hollow rack end diameter reducing method
YAMAWAKI TAKASHI1 citations59
US8499660B2Aug 6, 2013
Hollow rack and hollow rack manufacturing method
YAMAWAKI TAKASHI0 citations48
US8677797B2Mar 25, 2014
Hollow rack manufacturing method and manufacturing apparatus
YAMAWAKI TAKASHI0 citations29