Inventor · disambiguated record
Takuji Okamoto
Also filed as: OKAMOTO TAKUJI
31 granted patents·12 pending applications·561 citations·filing 1991–2024
97Inventor score
Files withIDEMITSU KOSAN CO19CANON KK10IDEMITSU PETROCHEMICAL CO4FUJIMURA TAKENORI3FUJIKAWA SHINJIRO2
Top patents by PatentIndex Score
43 records- 0195US5369196AProduction process of olefin based polymersIDEMITSU KOSAN CO·Filed 1991·Granted Nov 29, 1994·123 cites·3 claims
- 0294US5629398AProcess for producing cyclic olefin based polymers, cyclic olefin copolymers, compositions and molded articles comprising the copolymersIDEMITSU KOSAN CO·Filed 1991·Granted May 13, 1997·86 cites·19 claims
- 0388US7320950B2Propylene polymer, and resin composition and molded product thereofIDEMITSU KOSAN CO·Filed 2006·Granted Jan 22, 2008·10 cites·3 claims
- 0487US5693728AProcess for producing cyclic olefin based polymersIDEMITSU KOSAN CO·Filed 1996·Granted Dec 2, 1997·47 cites·11 claims
- 0585US5854165ATransition metal compound, catalyst for olefin polymerization, process for preparing olefin polymer by use of catalystIDEMITSU KOSAN CO·Filed 1994·Granted Dec 29, 1998·54 cites·44 claims
- 0684US7199202B2Propylene polymer and composition containing the same, molded object and laminate comprising these, and processes for producing propylene polymer and composition containing the sameIDEMITSU KOSAN CO·Filed 2004·Granted Apr 3, 2007·16 cites·8 claims
- 0783US5648443ACyclic olefin copolymers, compositions and molded articles comprising the copolymersIDEMITSU KOSAN CO·Filed 1996·Granted Jul 15, 1997·35 cites·16 claims
- 0880US6906155B1Propylene polymer and composition containing the same, molded object and laminate comprising these, and processes for producing propylene polymer and composition containing the sameIDEMITSU PETROCHEMICAL CO·Filed 1999·Granted Jun 14, 2005·29 cites·6 claims
- 0978US6339135B1Transition metal compound, catalyst for olefin polymerization, process for preparing olefin polymerIDEMITSU KOSAN CO·Filed 1996·Granted Jan 15, 2002·37 cites·15 claims
- 1077US6562886B1Propylene polymer composition and films made therefromIDEMITSU PETROCHEMICAL CO·Filed 1998·Granted May 13, 2003·32 cites·48 claims
- 1176US7790909B2Dioxolane derivative and method for producing sameIDEMITSU KOSAN CO·Filed 2005·Granted Sep 7, 2010·3 cites·20 claims
- 1276US2025136916A1Cell processing method, cell processing system, cell processing apparatus, and storage mediumCANON KK·Filed 2024·Application pending·0 cites
- 1375US7402610B2Carbonyl compound containing long-chain branched alkyl groupIDEMITSU KOSAN CO·Filed 2005·Granted Jul 22, 2008·2 cites·16 claims
- 1475US2025109372A1Cell detachment apparatusCANON KK·Filed 2024·Application pending·0 cites
- 1574US8119850B2Process for producing unsaturated hydrocarbon compoundFUJIKAWA SHINJIRO·Filed 2006·Granted Feb 21, 2012·6 cites·10 claims
- 1673US12110424B2Polypropylene-based adhesive and method for producing sameIDEMITSU KOSAN CO·Filed 2019·Granted Oct 8, 2024·2 cites·12 claims
- 1773US6171994B1Multiple crosslinking type transition metal compound used for olefin polymerization processIDEMITSU KOSAN CO·Filed 1998·Granted Jan 9, 2001·12 cites·12 claims
- 1873US2024174961A1Cell detachment device and cell detachment methodCANON KK·Filed 2023·Application pending·0 cites
- 1970US9394213B2Method for producing α-olefinIDEMITSU KOSAN CO·Filed 2012·Granted Jul 19, 2016·1 cites·14 claims
- 2069US7453005B2Transition metal compound and catalyst for olefin polymerizationIDEMITSU KOSAN CO·Filed 2005·Granted Nov 18, 2008·2 cites·1 claims
- 2168US6943481B2Vibration member and vibration wave driving apparatusCANON KK·Filed 2002·Granted Sep 13, 2005·16 cites·6 claims
- 2268US2023242858A1Cell detaching apparatus and cell detaching methodCANON KK·Filed 2023·Application pending·0 cites
- 2364US2009215973A1Propylene polymer and composition containing the same, molded object and laminate comprising these, and processes for producing propylene polymer and composition containing the sameIDEMITSU KOSAN CO·Filed 2009·Application pending·0 cites
- 2461US8729284B2Process for production of meso-form and racemic form metallocene complexesYABUKAMI MINORU·Filed 2011·Granted May 20, 2014·1 cites·6 claims
- 2561US6730626B2Transition metal compounds, polymerization catalysts for olefins, olefin polymers and process for their productionIDEMITSU PETROCHEMICAL CO·Filed 2001·Granted May 4, 2004·3 cites·10 claims
- 2658US11199688B2Stage apparatusCANON KK·Filed 2019·Granted Dec 14, 2021·0 cites·17 claims
- 2758US11137589B2Stage apparatus and linear actuatorCANON KK·Filed 2018·Granted Oct 5, 2021·0 cites·14 claims
- 2858US2024174964A1Cell detachment device, vibration element, cell detachment device control method, and mediumCANON KK·Filed 2023·Application pending·0 cites
- 2957US6770772B2Transition metal compound, polymerization catalysts for olefin, olefin polymers and process for their productionIDEMITSU PETROCHEMICAL CO·Filed 2001·Granted Aug 3, 2004·2 cites·19 claims
- 3057US5668606AContour restoration apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Sep 16, 1997·19 cites·5 claims
- 3156US7544758B2Propylene polymer and composition containing the same, molded object and laminate comprising these, and processes for producing propylene polymer and composition containing the sameIDEMITSU KOSAN CO·Filed 2006·Granted Jun 9, 2009·3 cites·3 claims
- 3255US2013225892A1Process for producing unsaturated hydrocarbon compoundIDEMITSU KOSAN CO·Filed 2013·Application pending·0 cites
- 3354US11795188B2Transition metal compound and method for producing olefin polymerIDEMITSU KOSAN CO·Filed 2019·Granted Oct 24, 2023·0 cites·9 claims
- 3450US2012088946A1Process for producing unsaturated hydrocarbon compoundFUJIKAWA SHINJIRO·Filed 2011·Application pending·0 cites
- 3548US6809460B2Position control apparatus and method for table memberCANON KK·Filed 2002·Granted Oct 26, 2004·2 cites·3 claims
- 3648US5546135AContour restoration apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Aug 13, 1996·10 cites·1 claims
- 3747US7626633B2Two-axial rotational driving apparatus and driven member rotation control systemCANON KK·Filed 2004·Granted Dec 1, 2009·8 cites·10 claims
- 3845US8445618B2Highly crystalline higher α-olefin polymer and process for production thereofFUJIMURA TAKENORI·Filed 2006·Granted May 21, 2013·0 cites·20 claims
- 3942US2014194637A1A-olefin oligomer and production method thereofTSUJI MINAKO·Filed 2012·Application pending·0 cites
- 4038US2012095273A1Alpha-olefin oligomer and method for producing sameFUJIMORA TAKENORI·Filed 2010·Application pending·0 cites
- 4137US2009069614A1Method for producing unsaturated hydrocarbon compoundIDEMITSU KOSAN CO·Filed 2006·Application pending·0 cites
- 4237US2013310527A1Highly viscous higher alphaolefin polymer and method for producing sameFUJIMURA TAKENORI·Filed 2011·Application pending·0 cites
- 4329US8178635B2α-Olefin polymer and process for production thereofFUJIMURA TAKENORI·Filed 2008·Granted May 15, 2012·0 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when Takuji Okamoto files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →