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Yoriyuki Takashima
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Sodegaura-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Viscosity index improver composition and lubricating oil composition
Patent number
11,905,486
Issue date
Feb 20, 2024
Idemitsu Kosan Co., Ltd.
Yoriyuki Takashima
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Dispersing agent for lubricating oil, method for producing same, an...
Patent number
11,390,825
Issue date
Jul 19, 2022
Idemitsu Kosan Co., Ltd.
Hiroaki Koshima
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Lubricating oil composition for engine made of aluminum alloy and l...
Patent number
9,790,450
Issue date
Oct 17, 2017
Idemitsu Kosan Co., Ltd.
Junya Iwasaki
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Organic electroluminescence device
Patent number
9,214,636
Issue date
Dec 15, 2015
Idemitsu Kosan Co., Ltd.
Yoriyuki Takashima
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Organic electroluminescent element material and organic electrolumi...
Patent number
9,126,887
Issue date
Sep 8, 2015
Idemitsu Kosan Co., Ltd.
Toshihiro Iwakuma
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Fluoranthene compound, organic electroluminescence device using the...
Patent number
9,120,748
Issue date
Sep 1, 2015
Idemitsu Kosan Co., Ltd.
Yoriyuki Takashima
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Material for organic electroluminescent element, and organic electr...
Patent number
8,940,412
Issue date
Jan 27, 2015
Idemitsu Kosan Co., Ltd.
Yoriyuki Takashima
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Organic electroluminescence device and material for organic electro...
Patent number
8,779,655
Issue date
Jul 15, 2014
Idemitsu Kosan Co., Ltd.
Kazuki Nishimura
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Organic electroluminescence device and material for organic electro...
Patent number
8,587,192
Issue date
Nov 19, 2013
Idemitsu Kosan Co., Ltd.
Kazuki Nishimura
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Phenanthrene derivative, and material for organic EL element
Patent number
8,568,903
Issue date
Oct 29, 2013
Idemitsu Kosan Co., Ltd.
Masahiro Kawamura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Aromatic amine derivative and organic electroluminescence device us...
Patent number
8,367,869
Issue date
Feb 5, 2013
Idemitsu Kosan Co., Ltd.
Chishio Hosokawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Organic electroluminescence device and material for organic electro...
Patent number
8,330,350
Issue date
Dec 11, 2012
Idemitsu Kosan Co., Ltd.
Kazuki Nishimura
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Chrysene derivative and organic electroluminescent device using the...
Patent number
8,221,907
Issue date
Jul 17, 2012
Idemitsu Kosan Co., Ltd.
Masahiro Kawamura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Organic electroluminescence device
Patent number
8,211,552
Issue date
Jul 3, 2012
Idemitsu Kosan Co., Ltd.
Kazuki Nishimura
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Organic electroluminescence device and material for organic electro...
Patent number
8,154,195
Issue date
Apr 10, 2012
Idemitsu Kosan Co., Ltd.
Kazuki Nishimura
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Organic electroluminescence device and material for organic electro...
Patent number
8,039,129
Issue date
Oct 18, 2011
Idemitsu Kosan Co., Ltd.
Toshihiro Iwakuma
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Organic electroluminescence device and material for organic electro...
Patent number
8,039,127
Issue date
Oct 18, 2011
Idemitsu Kosan Co., Ltd.
Toshihiro Iwakuma
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Naphthalene derivative, material for organic electroluminescence de...
Patent number
8,034,256
Issue date
Oct 11, 2011
Idemitsu Kosan Co., Ltd.
Masahiro Kawamura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Naphthalene derivative, material for organic electroluminescence de...
Patent number
8,029,697
Issue date
Oct 4, 2011
Idemitsu Kosan Co., Ltd.
Masahiro Kawamura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Naphthalene derivative, material for organic electroluminescence de...
Patent number
8,025,815
Issue date
Sep 27, 2011
Idemitsu Kosan Co., Ltd.
Masahiro Kawamura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Naphthalene derivative, material for organic electroluminescence de...
Patent number
8,021,574
Issue date
Sep 20, 2011
Idemitsu Kosan Co., Ltd.
Masahiro Kawamura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Aromatic amine derivative and organic electroluminescence device us...
Patent number
8,022,253
Issue date
Sep 20, 2011
Idemitsu Kosan Co., Ltd.
Chishio Hosokawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Organic electroluminescence device and material for organic electro...
Patent number
7,851,073
Issue date
Dec 14, 2010
Idemitsu Kosan Co., Ltd.
Tetsuya Inoue
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Aminodibenzofluorene derivative and organic electroluminescence dev...
Patent number
7,838,130
Issue date
Nov 23, 2010
Idemitsu Kosan Co., Ltd.
Yoriyuki Takashima
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Isoxazole derivatives
Patent number
6,037,312
Issue date
Mar 14, 2000
Idemitsu Kosan Co., Ltd.
Yoriyuki Takashima
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Pyrazole derivatives
Patent number
5,863,866
Issue date
Jan 26, 1999
Idemitsu Kosan Co., Ltd.
Yoriyuki Takashima
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Pyrazole derivatives and herbicides containing the same
Patent number
5,849,926
Issue date
Dec 15, 1998
Idemitsu Kosan Co., Ltd.
Mitsuru Shibata
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
POLYMER COMPOSITION, LUBRICATING OIL ADDITIVE COMPOSITION, AND LUBR...
Publication number
20240124638
Publication date
Apr 18, 2024
IDEMITSU KOSAN CO.,LTD.
Yoriyuki TAKASHIMA
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
VISCOSITY INDEX IMPROVER COMPOSITION AND LUBRICATING OIL COMPOSITION
Publication number
20220372394
Publication date
Nov 24, 2022
IDEMITSU KOSAN CO.,LTD.
Yoriyuki TAKASHIMA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
DISPERSING AGENT FOR LUBRICATING OIL, METHOD FOR PRODUCING SAME, AN...
Publication number
20210009918
Publication date
Jan 14, 2021
IDEMITSU KOSAN CO.,LTD.
Hiroaki KOSHIMA
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
LUBRICATING OIL COMPOSITION FOR INTERNAL-COMBUSTION ENGINE, AND MET...
Publication number
20180044609
Publication date
Feb 15, 2018
IDEMITSU KOSAN CO., LTD.
Ikuko NAKAYA
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
LUBRICANT OIL COMPOSITION
Publication number
20150322371
Publication date
Nov 12, 2015
Idemitsu Kosan Co., Ltd.
Hiroshi OKI
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
LUBRICATING OIL COMPOSITION FOR ENGINE MADE OF ALUMINUM ALLOY AND L...
Publication number
20150072907
Publication date
Mar 12, 2015
lDEMITSU KOSAN CO., LTD.
Junya Iwasaki
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE
Publication number
20130221333
Publication date
Aug 29, 2013
IDEMITSU KOSAN CO., LTD.
Yoriyuki Takashima
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE AND MATERIAL FOR ORGANIC ELECTRO...
Publication number
20120139410
Publication date
Jun 7, 2012
IDEMITSU KOSAN CO., LTD.
Kazuki NISHIMURA
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
ORGANIC ELECTROLUMINESCENCE ELEMENT AND COMPOUND
Publication number
20120007059
Publication date
Jan 12, 2012
Idemitsu Kosan Co., Ltd.
Toshihiro Iwakuma
C07 - ORGANIC CHEMISTRY
Information
Patent Application
MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENT, AND ORGANIC ELECTR...
Publication number
20110315965
Publication date
Dec 29, 2011
Idemitsu Kosan Co., Ltd.
Yoriyuki Takashima
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT MATERIAL AND ORGANIC ELECTROLUMI...
Publication number
20110303907
Publication date
Dec 15, 2011
Idemitsu Kosan Co., Ltd.
Toshihiro Iwakuma
C07 - ORGANIC CHEMISTRY
Information
Patent Application
AROMATIC AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENCE DEVICE US...
Publication number
20110278561
Publication date
Nov 17, 2011
IDEMITSU KOSAN CO., LTD.
Chishio HOSOKAWA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PHENANTHRENE DERIVATIVE, AND MATERIAL FOR ORGANIC EL ELEMENT
Publication number
20100327230
Publication date
Dec 30, 2010
Idemitsu Kosan Co., Ltd.
Masahiro Kawamura
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PHENANTHRENE DERIVATIVE, AND MATERIAL FOR ORGANIC EL ELEMENT
Publication number
20100331585
Publication date
Dec 30, 2010
Idemitsu Kosan Co., Ltd.
Masahiro Kawamura
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE AND MATERIAL FOR ORGANIC ELECTRO...
Publication number
20100258791
Publication date
Oct 14, 2010
Idemitsu Kosan Co., Ltd.
Toshihiro IWAKUMA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE AND MATERIAL FOR ORGANIC ELECTRO...
Publication number
20100253211
Publication date
Oct 7, 2010
IDEMITSU KOSAN CO., LTD.
Toshihiro IWAKUMA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
CHRYSENE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE...
Publication number
20100194270
Publication date
Aug 5, 2010
Idemitsu Kosan Co., Ltd.
Masahiro Kawamura
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE
Publication number
20100039027
Publication date
Feb 18, 2010
Idemitsu Kosan Co., Ltd.
Yoriyuki Takashima
C07 - ORGANIC CHEMISTRY
Information
Patent Application
AMINODIBENZOFLUORENE DERIVATIVE AND ORGANIC ELECTROLUMINESCENCE DEV...
Publication number
20090267491
Publication date
Oct 29, 2009
IDEMITSU KOSAN CO., LTD.
Yoriyuki TAKASHIMA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE AND MATERIAL FOR ORGANIC ELECTRO...
Publication number
20090045731
Publication date
Feb 19, 2009
IDEMITSU KOSAN CO., LTD.
Kazuki Nishimura
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE AND MATERIAL FOR ORGANIC ELECTRO...
Publication number
20090045730
Publication date
Feb 19, 2009
IDEMITSU KOSAN CO., LTD.
Kazuki Nishimura
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
NAPHTHALENE DERIVATIVE, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DE...
Publication number
20090039317
Publication date
Feb 12, 2009
IDEMITSU KOSAN CO., LTD.
Masahiro Kawamura
C07 - ORGANIC CHEMISTRY
Information
Patent Application
FLUORANTHENE COMPOUND, ORGANIC ELECTROLUMINESCENCE DEVICE USING THE...
Publication number
20090015144
Publication date
Jan 15, 2009
IDEMITSU KOSAN CO., LTD.
Yoriyuki Takashima
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE
Publication number
20090009066
Publication date
Jan 8, 2009
IDEMITSU KOSAN CO., LTD.
Kazuki Nishimura
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
NAPHTHALENE DERIVATIVE, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DE...
Publication number
20090008607
Publication date
Jan 8, 2009
IDEMITSU KOSAN CO., LTD.
Masahiro Kawamura
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE AND MATERIAL FOR ORGANIC ELECTRO...
Publication number
20090009065
Publication date
Jan 8, 2009
IDEMITSU KOSAN CO., LTD.
Kazuki Nishimura
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
NAPHTHALENE DERIVATIVE, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DE...
Publication number
20090008605
Publication date
Jan 8, 2009
IDEMITSU KOSAN CO., LTD.
Masahiro Kawamura
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE AND MATERIAL FOR ORGANIC ELECTRO...
Publication number
20090009067
Publication date
Jan 8, 2009
IDEMITSU KOSAN CO., LTD.
Kazuki NISHIMURA
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
NAPHTHALENE DERIVATIVE, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DE...
Publication number
20090008606
Publication date
Jan 8, 2009
IDEMITSU KOSAN CO., LTD.
Masahiro Kawamura
C07 - ORGANIC CHEMISTRY
Information
Patent Application
DIBENZO[C,G]TRIPHENYLENE DERIVATIVE AND ORGANIC ELECTROLUMINESCENCE...
Publication number
20080226940
Publication date
Sep 18, 2008
Idemitsu Kosan Co.,Ltd
Yoriyuki Takashima
C07 - ORGANIC CHEMISTRY