Inventor · disambiguated record
Junji Takenaka
Also filed as: TAKENAKA JUNJI
30 granted patents·11 pending applications·36 citations·filing 1994–2021
93Inventor score
Top patents by PatentIndex Score
41 records- 0193US11066523B2Photochromic polyrotaxane compound and curable composition comprising the photochromic polyrotaxane compoundTOKUYAMA CORP·Filed 2018·Granted Jul 20, 2021·3 cites·19 claims
- 0288US8308996B2Chromene compoundTAKAHASHI TOSHIAKI·Filed 2010·Granted Nov 13, 2012·10 cites·8 claims
- 0383US11401276B2Chromene compound, curable composition comprising the compound, and optical article including a cured body of the curable compositionTOKUYAMA CORP·Filed 2018·Granted Aug 2, 2022·1 cites·15 claims
- 0481US7976739B2Chromene compoundTOKUYAMA CORP·Filed 2007·Granted Jul 12, 2011·3 cites·6 claims
- 0574US9890324B2Photochromic curable composition, cured product thereof and laminate including the cured productTOKUYAMA CORP·Filed 2014·Granted Feb 13, 2018·2 cites·11 claims
- 0673US11976149B2Curable composition for optical materials, and optical materialTOKUYAMA CORP·Filed 2019·Granted May 7, 2024·0 cites·8 claims
- 0773US8778236B2Chromene compoundTAKENAKA JUNJI·Filed 2012·Granted Jul 15, 2014·2 cites·16 claims
- 0872US12077623B2Curable composition for optical materials, and optical materialTOKUYAMA CORP·Filed 2019·Granted Sep 3, 2024·0 cites·12 claims
- 0972US12054568B2Optical material composition and optical materialTOKUYAMA CORP·Filed 2019·Granted Aug 6, 2024·0 cites·6 claims
- 1069US8709308B2Chromene compoundTAKAHASHI TOSHIAKI·Filed 2012·Granted Apr 29, 2014·1 cites·19 claims
- 1169US8663508B2Photochromic curable compositionTAKENAKA JUNJI·Filed 2011·Granted Mar 4, 2014·2 cites·5 claims
- 1268US9447224B2Urethane (meth) acrylate monomer and production process thereofIZUMI SHINOBU·Filed 2010·Granted Sep 20, 2016·1 cites·11 claims
- 1366US8066917B2Photochromic curable compositionNAGOH HIRONOBU·Filed 2008·Granted Nov 29, 2011·4 cites·7 claims
- 1465US12428517B2Moisture curable polyurethane composition and laminateTOKUYAMA CORP·Filed 2021·Granted Sep 30, 2025·0 cites·5 claims
- 1562US11767467B2Photochromic compound and curable composition containing said photochromic compoundTOKUYAMA CORP·Filed 2019·Granted Sep 26, 2023·0 cites·9 claims
- 1661US8012596B2Photochromic lens substrateTOKUYAMA CORP·Filed 2004·Granted Sep 6, 2011·5 cites·8 claims
- 1760US2023104741A1Primer Composition for Optical Article, and LaminateTOKUYAMA CORP·Filed 2021·Application pending·0 cites
- 1859US2023133211A1Photochromic cyclic compound and curable composition containing the photochromic cyclic compoundTOKUYAMA CORP·Filed 2021·Application pending·0 cites
- 1958US12297388B2Photochromic hydroxyurethane compoundTOKUYAMA CORP·Filed 2020·Granted May 13, 2025·0 cites·14 claims
- 2050US12428390B2Chromene compound and photochromic optical articleTOKUYAMA CORP·Filed 2020·Granted Sep 30, 2025·0 cites·9 claims
- 2150US11879097B2Photochromic compound, curable composition containing said photochromic compound, and optical articleTOKUYAMA CORP·Filed 2019·Granted Jan 23, 2024·0 cites·13 claims
- 2250US7728154B2Process for the preparation of 1-aryl-3,4-dihydro-1H-naphthalene-2-oneTOKUYAMA CORP·Filed 2008·Granted Jun 1, 2010·0 cites·2 claims
- 2349US11597874B2Photochromic curable compositionTOKUYAMA CORP·Filed 2019·Granted Mar 7, 2023·0 cites·6 claims
- 2449US8123987B2Chromene compoundsIZUMI SHINOBU·Filed 2007·Granted Feb 28, 2012·0 cites·4 claims
- 2547US7754903B2Curable polycyclic compounds and process for the production thereofTOKUYAMA CORP·Filed 2004·Granted Jul 13, 2010·2 cites·7 claims
- 2646US8916071B2Chromene compound and curable compositionTOKUYAMA CORP·Filed 2012·Granted Dec 23, 2014·0 cites·14 claims
- 2745US2022244428A1Ophthalmic medical instrument including photochromic polymer and production method for ophthalmic medical instrumentMENICON CO LTD·Filed 2019·Application pending·0 cites
- 2844US12222587B2Method of producing a plastic lens having a coating layerTOKUYAMA CORP·Filed 2019·Granted Feb 11, 2025·0 cites·19 claims
- 2944US2015030866A1Photochromic curable compositionTOKUYAMA CORP·Filed 2013·Application pending·0 cites
- 3043US9588257B2Photochromic curable compositionOTANI TOSHIAKI·Filed 2012·Granted Mar 7, 2017·0 cites·12 claims
- 3141US10884334B2Photocurable resin compositionTOKUYAMA CORP·Filed 2016·Granted Jan 5, 2021·0 cites·19 claims
- 3240US2014203226A1(meth)acrylate compound and photochromic curable composition containing the (meth)acrylate compoundTAKENAKA JUNJI·Filed 2012·Application pending·0 cites
- 3340US2014030529A1Chromene compoundTAKAHASHI TOSHIAKI·Filed 2012·Application pending·0 cites
- 3439US2012161089A1Chromene compoundTAKAHASHI TOSHIAKI·Filed 2010·Application pending·0 cites
- 3538US8691120B2Chromene compoundTAKAHASHI TOSHIAKI·Filed 2010·Granted Apr 8, 2014·0 cites·16 claims
- 3638US6878672B2Herbicidal emulsion compositionsTOKUYAMA CORP·Filed 2002·Granted Apr 12, 2005·0 cites·20 claims
- 3738US2012270071A1Chromene compoundTAKAHASHI TOSHIAKI·Filed 2010·Application pending·0 cites
- 3838US2012145974A1Chromene compoundTAKAHASHI TOSHIAKI·Filed 2010·Application pending·0 cites
- 3934US2017203526A1Photopolymerization Device and Production Method for Lens that has Photochromic Coating LayerTOKUYAMA CORP·Filed 2015·Application pending·0 cites
- 4033US2018267207A1Method of producing a plastic lens having a coating layerTOKUYAMA CORP·Filed 2016·Application pending·0 cites
- 4125US5629265ACyanoketone derivative and herbicide containing it as an active componentTOKUYAMA CORP·Filed 1994·Granted May 13, 1997·0 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →