532 patents
Page 4 of 27
Utility
Organic electroluminescent element and electronic device
31 Jan 23
An organic electroluminescence device includes: an anode; an emitting layer; and a cathode, the emitting layer containing a first material, a second material and a third material, the first material being a fluorescent material, the second material being a delayed fluorescent material, the third material having a singlet energy larger than a singlet energy of the second material.
Toshinari Ogiwara, Kei Yoshida, Ryohei Hashimoto, Yumiko Mizuki
Filed: 1 Sep 20
Utility
Organic electroluminescence device and novel compound
31 Jan 23
Ryota Takahashi, Hidetsugu Ikeda, Keita Seda, Yuki Nakano
Filed: 5 Dec 18
Utility
Modified Lignin, Modified Polyphenol Manufacturing Method, and Modified Lignin-including Resin Composition Material
26 Jan 23
A modified lignin having a ratio ((2H+G)/S) of a total of twice of a relative existence ratio H (%) of an H-type skeleton and a relative existence ratio G (%) of a G-type skeleton with respect to a relative existence ratio S (%) of an S-type skeleton, obtained from integrated values measured by 31P-NMR, of 2.5 or more, and an existence ratio of an aliphatic hydroxy group obtained by the same method of less than 20%, a method for producing a modified polyphenol, and a modified lignin-containing resin composition material.
Hironori TASHIRO, Yoshihito KOYAMA
Filed: 23 Sep 22
Utility
Organic electroluminescence device and novel compound
17 Jan 23
Ryota Takahashi, Hidetsugu Ikeda, Keita Seda, Yuki Nakano
Filed: 6 Sep 19
Utility
Method for producing polycarbonate resin composition
17 Jan 23
Provided is a method of producing a polycarbonate-based resin composition, including mixing an aliphatic polycarbonate-based resin (A) containing a specific repeating unit (A-1), and at least one kind of aromatic thermoplastic resin (S) selected from the group consisting of an aromatic polycarbonate-based resin (B) containing a polycarbonate block formed of a specific repeating unit, an aromatic polyester-based resin (C) having a specific structural unit, and a polyarylate resin (D) having a specific structural unit in the presence of a transesterification catalyst at a temperature at which the resin components melt.
Shinobu Yamao, Minoru Yabukami
Filed: 23 Jul 18
Utility
Grease composition
17 Jan 23
Akihiro Shishikura
Filed: 27 Feb 20
Utility
Organic Electroluminescence Device and Electronic Apparatus Provided with the Same
12 Jan 23
Yuki NAKANO, Taro YAMAKI, Satomi TASAKI, Tomoki KATO
Filed: 9 Oct 19
Utility
Compound, material for organic electroluminescence device, organic electroluminescence device, and electronic device
10 Jan 23
Hirokatsu Ito, Tasuku Haketa, Yu Kudo, Yusuke Takahashi
Filed: 22 May 20
Utility
Organic electroluminescent element and electronic device
10 Jan 23
Ryota Takahashi, Tomoki Kato, Hirokatsu Ito, Masahiro Kawamura, Masakazu Funahashi, Hiroyuki Saito, Yuichiro Kawamura, Yoshiaki Takahashi, Tetsuya Masuda, Hitoshi Kuma
Filed: 13 Feb 17
Utility
Lubricating oil composition and impregnated bearing
10 Jan 23
Provided are a lubricating oil composition which contains a base oil (A) containing an ester-based oil (Al), and a polymer (B) having a constituent unit (b) derived from an alkyl (meth)acrylate, wherein the content of the polymer (B) is 0.1 to 10% by mass based on the total amount of the lubricating oil composition, the lubricating oil composition has a viscosity index of 350 or more, the lubricating oil composition has a BF viscosity at −40° C. of 4000mPa·s or less, and the lubricating oil composition is used for an impregnated bearing, and an impregnated bearing impregnated with the lubricating oil composition.
Asami Koga
Filed: 31 May 19
Utility
Organic electroluminescence device and electronic apparatus
10 Jan 23
An organic electroluminescence device including: an anode, a cathode, and at least one emitting layer between the cathode and the anode, wherein the emitting layer contains a first host material, a second host material, and a dopant material, the first host material is a compound having at least one deuterium atom, and the emitting layer contains the first host material in the proportion of 1% by mass or more.
Satomi Tasaki, Taro Yamaki, Hiroaki Itoi, Yuki Nakano, Yuichiro Kawamura
Filed: 7 Jun 21
Utility
Organic electroluminescent element and electronic device
10 Jan 23
Satomi Tasaki, Kazuki Nishimura, Hiroaki Toyoshima
Filed: 31 Aug 21
Utility
Lubricating oil composition and composition for refrigerator
3 Jan 23
A lubricating oil composition excellent in the wear resistance and a refrigerator oil composition excellent in the oxidation stability using the lubricating oil composition are provided by a lubricating oil composition containing a base oil (A) and a phosphine derivative (B) having one or more oxygen atom in a molecule.
So Nakajima
Filed: 8 Jan 19
Utility
Grease composition, mechanism component, and production method for grease composition
3 Jan 23
The present invention addresses a problem of providing a grease composition that uses hydrophilic nanofibers but still has excellent water resistance and does not readily experience oil separation.
Yusuke Nakanishi, Hiromu Kumagai
Filed: 26 Mar 19
Utility
Lubricating oil composition
27 Dec 22
A lubricating oil composition may include a base oil (A), a neutral phosphorus compound (B), an acidic phosphorus compound (C), a sulfur compound (D) and a metal salt (E) including a metal sulfonate, a metal salicylate, and/or a metal phenate, in which a content of the acidic phosphorus compound (C) in terms of phosphorus atoms is 10 to 180 ppm by mass based on the total amount of the lubricating oil composition, a content of the sulfur compound (D) in terms of sulfur atoms is 10 to 1000 ppm by mass based on the total amount of the lubricating oil composition, and a content of the metal salt (E) in terms of metal atoms is 5 to 180 ppm by mass based on the total amount of the lubricating oil composition.
Kazushi Tamura
Filed: 21 Oct 19
Utility
Aromatic amine derivative and electroluminescence device using the same
27 Dec 22
Provided are a novel aromatic amine derivative having a specific structure and an organic electroluminescence device in which an organic thin layer comprising a single layer or plural layers including a light emitting layer is interposed between a cathode and an anode, wherein at least one layer of the above organic thin layer contains the aromatic amine derivative described above in the form of a single component or a mixed component.
Nobuhiro Yabunouchi, Tetsuya Inoue
Filed: 29 Aug 19
Utility
Material for Organic Electroluminescence Device and Organic Electroluminescence Device Using the Same
22 Dec 22
Provided are an organic electroluminescence device, which shows high luminous efficiency, is free of any pixel defect, and has a long lifetime, and a material for an organic electroluminescence device for realizing the device.
Tomoki KATO, Masaki NUMATA, Kazuki NISHIMURA, Toshihiro IWAKUMA, Chishio HOSOKAWA
Filed: 11 Jun 21
Utility
Grease composition
20 Dec 22
Akihiro Shishikura
Filed: 27 Feb 20
Reissue
Organic electroluminescence device
20 Dec 22
Masahiro Kawamura, Hirokatsu Ito, Toshinari Ogiwara, Yumiko Mizuki
Filed: 3 Aug 17
Utility
Compound, Material for Organic Electroluminescent Elements, Organic Electroluminescent Element, and Electronic Device
15 Dec 22
Provided are a compound capable of more improving the performance of organic EL devices, an organic electroluminescent device having a more improved device performance, and an electronic device including such an organic electroluminescent device; precisely, a compound represented by the following formula (1) wherein X1, X2, X3, L, R1 to R3, R5 to R8, R11 to R13, R15 to R18, R21 to R24, and R25 to R28 are as defined in the description, an organic electroluminescent device containing the compound, and an electronic device including such an organic electroluminescent device.
Yusuke TAKAHASHI, Tasuku HAKETA, Hirokatsu ITO, Yu KUDO
Filed: 10 Aug 22