Inventor
OGIWARA TOSHINARI
JP88 patents
⚠️ This page may combine multiple inventors who share the name “OGIWARA TOSHINARI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IDEMITSU KOSAN CO
29 patentsUS8025815B2Sep 27, 2011
Naphthalene derivative, material for organic electroluminescence device, and organic electroluminescence device using the same
IDEMITSU KOSAN CO46 citations98
US8034256B2Oct 11, 2011
Naphthalene derivative, material for organic electroluminescence device, and organic electroluminescence device using the same
IDEMITSU KOSAN CO35 citations96
US8021574B2Sep 20, 2011
Naphthalene derivative, material for organic electroluminescence device, and organic electroluminescence device using the same
IDEMITSU KOSAN CO38 citations96
US8029697B2Oct 4, 2011
Naphthalene derivative, material for organic electroluminescence device, and organic electroluminescence device using the same
IDEMITSU KOSAN CO32 citations93
US10032998B2Jul 24, 2018
Organic electroluminescent element
IDEMITSU KOSAN CO13 citations92
US9614170B2Apr 4, 2017
Organic electroluminescent element
IDEMITSU KOSAN CO17 citations92
US9608209B2Mar 28, 2017
Organic electroluminescent element
IDEMITSU KOSAN CO12 citations92
US9219242B2Dec 22, 2015
Organic electroluminescent element
IDEMITSU KOSAN CO23 citations92
US10879482B2Dec 29, 2020
Organic electroluminescence device
IDEMITSU KOSAN CO9 citations84
US10590080B2Mar 17, 2020
Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device
IDEMITSU KOSAN CO6 citations84
US10193077B2Jan 29, 2019
Biscarbazole derivative, material for organic electroluminescence device and organic electroluminescence device using the same
IDEMITSU KOSAN CO9 citations84
US9905779B2Feb 27, 2018
Organic electroluminescent element and electronic device
IDEMITSU KOSAN CO10 citations84
US9899620B2Feb 20, 2018
Organic electroluminescent element
IDEMITSU KOSAN CO11 citations84
US9812661B2Nov 7, 2017
Organic electroluminescent device
IDEMITSU KOSAN CO12 citations84
US8723171B2May 13, 2014
Organic electroluminescence device
IDEMITSU KOSAN CO11 citations84
US8039129B2Oct 18, 2011
Organic electroluminescence device and material for organic electroluminescence device
IDEMITSU KOSAN CO8 citations84
US10930860B2Feb 23, 2021
Organic electroluminescent element
IDEMITSU KOSAN CO4 citations83
US10461264B2Oct 29, 2019
Organic electroluminescent element
IDEMITSU KOSAN CO7 citations83
US9947876B2Apr 17, 2018
Organic electroluminescence device and electronic device
IDEMITSU KOSAN CO11 citations83
US12077500B2Sep 3, 2024
Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device
IDEMITSU KOSAN CO1 citations73
US11739061B2Aug 29, 2023
Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device
IDEMITSU KOSAN CO2 citations73
US11043638B2Jun 22, 2021
Organic electroluminescence device and electronic device
IDEMITSU KOSAN CO2 citations73
US10910565B2Feb 2, 2021
Organic electroluminescent element, material for organic electroluminescent elements, and electronic device
IDEMITSU KOSAN CO5 citations73
US10547009B2Jan 28, 2020
Organic electroluminescent element, electronic device and compound
IDEMITSU KOSAN CO5 citations73
US10297761B2May 21, 2019
Organic electroluminescent element
IDEMITSU KOSAN CO3 citations73
US10249826B2Apr 2, 2019
Compound, organic electroluminescent element and electronic device
IDEMITSU KOSAN CO2 citations73
US10186665B2Jan 22, 2019
Organic electroluminescent element
IDEMITSU KOSAN CO5 citations73
US10128456B2Nov 13, 2018
Organic electroluminescence element, and material for organic electroluminescence element
IDEMITSU KOSAN CO3 citations73
US9997717B2Jun 12, 2018
Organic electroluminescence device and electronic device
IDEMITSU KOSAN CO5 citations73
NISHIMURA KAZUKI
8 patentsUS8154195B2Apr 10, 2012
Organic electroluminescence device and material for organic electroluminescence device
NISHIMURA KAZUKI48 citations98
US8779655B2Jul 15, 2014
Organic electroluminescence device and material for organic electroluminescence device
NISHIMURA KAZUKI47 citations94
US8587192B2Nov 19, 2013
Organic electroluminescence device and material for organic electroluminescence device
NISHIMURA KAZUKI38 citations94
US8330350B2Dec 11, 2012
Organic electroluminescence device and material for organic electroluminescence device
NISHIMURA KAZUKI49 citations94
US8211552B2Jul 3, 2012
Organic electroluminescence device
NISHIMURA KAZUKI44 citations94
US8461574B2Jun 11, 2013
Organic electroluminescence device
NISHIMURA KAZUKI16 citations93
US8710493B2Apr 29, 2014
Organic electroluminescent element
NISHIMURA KAZUKI21 citations92
US8847218B2Sep 30, 2014
Organic electroluminescent element
NISHIMURA KAZUKI14 citations84
INOUE TETSUYA
4 patentsUS8652654B2Feb 18, 2014
Biscarbazole derivative, material for organic electroluminescence device and organic electroluminescence device using the same
INOUE TETSUYA32 citations94
US8940414B2Jan 27, 2015
Biscarbazole derivative, material for organic electroluminescence device and organic electroluminescence device using the same
INOUE TETSUYA17 citations92
US8877352B2Nov 4, 2014
Biscarbazole derivative, material for organic electroluminescence device and organic electroluminescence device using the same
INOUE TETSUYA18 citations92
US8865323B2Oct 21, 2014
Biscarbazole derivative, material for organic electroluminescence device and organic electroluminescence device using the same
INOUE TETSUYA23 citations92
KAWAMURA MASAHIRO
3 patentsUS8568903B2Oct 29, 2013
Phenanthrene derivative, and material for organic EL element
KAWAMURA MASAHIRO36 citations98
US8221907B2Jul 17, 2012
Chrysene derivative and organic electroluminescent device using the same
KAWAMURA MASAHIRO42 citations94
US9099658B2Aug 4, 2015
Organic electroluminescence device
KAWAMURA MASAHIRO16 citations92
OGIWARA TOSHINARI
2 patentsKUMA HITOSHI
2 patentsYOSHIDA KEI
1 patentTAKASHIMA YORIYUKI
1 patentShowing the top 50 of 88 patents by PatentIndex Score.