Inventor
OKAMOTO TAKUJI
JP31 patents
⚠️ This page may combine multiple inventors who share the name “OKAMOTO TAKUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IDEMITSU KOSAN CO
16 patentsUS5369196ANov 29, 1994
Production process of olefin based polymers
IDEMITSU KOSAN CO123 citations98
US5854165ADec 29, 1998
Transition metal compound, catalyst for olefin polymerization, process for preparing olefin polymer by use of catalyst
IDEMITSU KOSAN CO54 citations96
US5693728ADec 2, 1997
Process for producing cyclic olefin based polymers
IDEMITSU KOSAN CO47 citations96
US5629398AMay 13, 1997
Process for producing cyclic olefin based polymers, cyclic olefin copolymers, compositions and molded articles comprising the copolymers
IDEMITSU KOSAN CO86 citations96
US7199202B2Apr 3, 2007
Propylene polymer and composition containing the same, molded object and laminate comprising these, and processes for producing propylene polymer and composition containing the same
IDEMITSU KOSAN CO16 citations92
US6339135B1Jan 15, 2002
Transition metal compound, catalyst for olefin polymerization, process for preparing olefin polymer
IDEMITSU KOSAN CO37 citations92
US5648443AJul 15, 1997
Cyclic olefin copolymers, compositions and molded articles comprising the copolymers
IDEMITSU KOSAN CO35 citations92
US7320950B2Jan 22, 2008
Propylene polymer, and resin composition and molded product thereof
IDEMITSU KOSAN CO10 citations83
US6171994B1Jan 9, 2001
Multiple crosslinking type transition metal compound used for olefin polymerization process
IDEMITSU KOSAN CO12 citations73
US12110424B2Oct 8, 2024
Polypropylene-based adhesive and method for producing same
IDEMITSU KOSAN CO2 citations71
US7790909B2Sep 7, 2010
Dioxolane derivative and method for producing same
IDEMITSU KOSAN CO3 citations63
US7544758B2Jun 9, 2009
Propylene polymer and composition containing the same, molded object and laminate comprising these, and processes for producing propylene polymer and composition containing the same
IDEMITSU KOSAN CO3 citations62
US7453005B2Nov 18, 2008
Transition metal compound and catalyst for olefin polymerization
IDEMITSU KOSAN CO2 citations62
US7402610B2Jul 22, 2008
Carbonyl compound containing long-chain branched alkyl group
IDEMITSU KOSAN CO2 citations62
US11795188B2Oct 24, 2023
Transition metal compound and method for producing olefin polymer
IDEMITSU KOSAN CO0 citations52
US9394213B2Jul 19, 2016
Method for producing α-olefin
IDEMITSU KOSAN CO1 citations52
CANON KK
5 patentsUS6943481B2Sep 13, 2005
Vibration member and vibration wave driving apparatus
CANON KK16 citations79
US7626633B2Dec 1, 2009
Two-axial rotational driving apparatus and driven member rotation control system
CANON KK8 citations76
US6809460B2Oct 26, 2004
Position control apparatus and method for table member
CANON KK2 citations63
US11199688B2Dec 14, 2021
Stage apparatus
CANON KK0 citations62
US11137589B2Oct 5, 2021
Stage apparatus and linear actuator
CANON KK0 citations52
IDEMITSU PETROCHEMICAL CO
4 patentsUS6906155B1Jun 14, 2005
Propylene polymer and composition containing the same, molded object and laminate comprising these, and processes for producing propylene polymer and composition containing the same
IDEMITSU PETROCHEMICAL CO29 citations92
US6562886B1May 13, 2003
Propylene polymer composition and films made therefrom
IDEMITSU PETROCHEMICAL CO32 citations92
US6770772B2Aug 3, 2004
Transition metal compound, polymerization catalysts for olefin, olefin polymers and process for their production
IDEMITSU PETROCHEMICAL CO2 citations62
US6730626B2May 4, 2004
Transition metal compounds, polymerization catalysts for olefins, olefin polymers and process for their production
IDEMITSU PETROCHEMICAL CO3 citations62