Patents by Inventor Masatoshi Saito

Masatoshi Saito has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8592805
    Abstract: A compound for an organic thin film transistor having a structure shown by the following formula (1): X1-L-Ar-L-X2??(1) wherein L is —C?C—, or —CH?CH— in a trans configuration, X1 and X2 are independently a substituted or unsubstituted aromatic heterocyclic group having 5 to 60 ring atoms, and their bonding positions to L are in heterocycles, Ar is a substituted or unsubstituted aromatic hydrocarbon group having 6 to 60 ring carbon atoms, or a substituted or unsubstituted aromatic heterocyclic group having 5 to 60 ring atoms, and at least one of X1, X2 and Ar is a bi- or higher-fused ring.
    Type: Grant
    Filed: April 2, 2009
    Date of Patent: November 26, 2013
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Masatoshi Saito, Yuki Nakano, Hiroaki Nakamura
  • Patent number: 8575599
    Abstract: A compound for an organic thin film transistor having a structure of the following formula (1): wherein R1 to R6 are independently a hydrogen atom, a halogen atom, an alkyl group having 1 to 30 carbon atoms, a haloalkyl group having 1 to 30 carbon atoms, an alkoxy group having 1 to 30 carbon atoms, a haloalkoxy group having 1 to 30 carbon atoms, an alkylthio group having 1 to 30 carbon atoms, a haloalkylthio group having 1 to 30 carbon atoms, an alkylamino group having 1 to 30 carbon atoms, a dialkylamino group having 2 to 60 carbon atoms (the alkyl groups may be combined with each other to form a ring structure containing the nitrogen atom), an alkylsulfonyl group having 1 to 30 carbon atoms, a haloalkylsulfonyl group having 1 to 30 carbon atoms, an aromatic hydrocarbon group having 6 to 60 carbon atoms, an aromatic heterocyclic group having 3 to 60 carbon atoms, an alkylsilyl group having 3 to 20 carbon atoms, an alkylsilylacetylene group having 5 to 60 carbon atoms or a cyano group, which each may have
    Type: Grant
    Filed: August 5, 2009
    Date of Patent: November 5, 2013
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Yuki Nakano, Masatoshi Saito, Hiroaki Nakamura
  • Patent number: 8525156
    Abstract: An organic thin film transistor including a substrate having thereon at least three terminals of a gate electrode, a source electrode and a drain electrode, an insulator layer and an organic semiconductor layer, with a current between a source and a drain being controlled upon applying a voltage to the gate electrode, wherein a channel control layer including an amorphous organic compound having an ionization potential of less than 5.8 eV is provided between the organic semiconductor layer and the insulator layer, has excellent stability of a field-effect mobility and a high response speed even when stored at a high temperature.
    Type: Grant
    Filed: September 9, 2008
    Date of Patent: September 3, 2013
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Hiroaki Nakamura, Yuki Nakano, Masatoshi Saito, Hirofumi Kondo
  • Patent number: 8513654
    Abstract: A compound for an organic thin film transistor having a structure shown by the following formula (1): X1-L-Ar-L-X2??(1) wherein L is —C?C—, or —CH?CH— in a trans configuration, X1 and X2 are independently an alkyl group having 2 to 30 carbon atoms or a haloalkyl group having 1 to 30 carbon atoms, and Ar is a substituted or unsubstituted aromatic hydrocarbon group having 14 to 60 ring carbon atoms which is a condensed ring of three or more rings, or a substituted or unsubstituted aromatic heterocyclic group having 11 to 60 ring atoms which is a condensed ring of three or more rings.
    Type: Grant
    Filed: April 2, 2009
    Date of Patent: August 20, 2013
    Assignee: Idemitsu Kosan Co. Ltd.
    Inventors: Masatoshi Saito, Yuki Nakano, Hiroaki Nakamura
  • Patent number: 8419646
    Abstract: To provide a non-invasive blood pressure estimation apparatus, which can accurately estimate systolic blood pressure from blood flow sound of a dialysis patient and continuously estimate systolic blood pressure by continuously picking up the blood flow sound. A blood pressure estimation apparatus creates a standard pulse curve by relating a start point and end point of a rising phase of a pulse wave to diastolic blood pressure and systolic blood pressure, respectively, creates a correspondence curve between blood flow sound power and estimated blood pressure by contrasting the standard pulse curve with the blood flow sound power curve obtained from blood flow sound at a shut site, with the two curves plotted on the same time axis, derives a systolic blood pressure estimation linear function from the correspondence curve, inputs a measured maximum value of the blood flow sound power into the linear function, and thereby estimates systolic blood pressure.
    Type: Grant
    Filed: April 9, 2009
    Date of Patent: April 16, 2013
    Assignees: Asahi Kasei Kabushiki Kaisha, Nextier Corporation
    Inventors: Masatoshi Saito, Sakae Omura, Toru Shinzato
  • Publication number: 20130037809
    Abstract: An organic thin film transistor including at least a gate electrode, a source electrode, a drain electrode, an insulator layer and an organic semiconductor layer, at least one of the source electrode and the drain electrode including a conductive polyaniline composition containing (a) a substituted or unsubstituted polyaniline composite which is protonated by an organic protonic acid or its salts represented by M(XCR4(CR52COOR6)COOR7)p and (b) compound having a phenolic hydroxyl group.
    Type: Application
    Filed: April 21, 2011
    Publication date: February 14, 2013
    Inventors: Hiroaki Nakamura, Masatoshi Saito, Hirofumi Kondo, Toru Bando
  • Patent number: 8330147
    Abstract: An organic thin film transistor including a substrate having thereon at least three terminals of a gate electrode, a source electrode and a drain electrode, an insulator layer and an organic semiconductor layer, with a current between a source and a drain being controlled upon application of a voltage to the gate electrode, wherein the organic semiconductor layer includes a specified organic compound having an aromatic heterocyclic group in the center thereof; and an organic thin film light emitting transistor utilizing an organic thin film transistor, wherein the organic thin film transistor is one in which light emission is obtained utilizing a current flowing between the source and the drain, and the light emission is controlled upon application of a voltage to the gate electrode, and is made high with respect to the response speed and has a large ON/OFF ratio, are provided.
    Type: Grant
    Filed: November 28, 2007
    Date of Patent: December 11, 2012
    Assignee: Idemitsu Kosan, Co., Ltd.
    Inventors: Masatoshi Saito, Yuki Nakano, Hiroaki Nakamura
  • Publication number: 20120273290
    Abstract: Provided is a motor control device including a main calculation unit (101), which takes a first operation state for controlling a brushless motor (5), and a second operation state for stopping the motor control, and a sub calculation unit (102) for monitoring the main calculation unit (101) by means of a first monitoring unit (106) in the first state, for calculating a motor rotation angle in the second state, thereby enabling continuous calculation of the motor rotation angle even when the motor control is stopped, for carrying out monitoring the sub calculation unit (102) by means of second monitoring unit (201), thereby securing reliability, and for calculating the motor rotation angle in a second calculation cycle in the second operation state, the second calculation cycle being longer than a first calculation cycle in the first operation state, thereby reducing a current consumption.
    Type: Application
    Filed: October 5, 2011
    Publication date: November 1, 2012
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Yu KAWANO, Masatoshi Saito, Takayuki Kifuku
  • Publication number: 20120273768
    Abstract: A compound represented by the following formula (I), provided that the compound in which all of R1 to R14 are hydrogen atoms is excluded.
    Type: Application
    Filed: November 2, 2010
    Publication date: November 1, 2012
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yoichi Ikeda, Masatoshi Saito, Hidetsugu Ikeda, Hiroaki Nakamura, Hirofumi Kondo, Naoki Kurihara, Kota Terai
  • Publication number: 20120273770
    Abstract: A compound for an organic thin film transistor represented by the following formula (1):
    Type: Application
    Filed: December 13, 2010
    Publication date: November 1, 2012
    Inventors: Misa Sunagawa, Masatoshi Saito, Hiroaki Nakamura, Hirofumi Kondo, Naoki Kurihara, Masahiro Kawamura
  • Patent number: 8217389
    Abstract: An organic thin film transistor including a substrate having thereon at least three terminals of a gate electrode, a source electrode and a drain electrode, an insulator layer and an organic semiconductor layer, with a current between a source and a drain being controlled upon application of a voltage to the gate electrode, wherein the organic semiconductor layer includes a compound having a specified structure; and an organic thin film light emitting transistor utilizing an organic thin film transistor, wherein the organic thin film transistor is one in which light emission is obtained utilizing a current flowing between the source and the drain, and the light emission is controlled upon application of a voltage to the gate electrode, and is made high with respect to the response speed (driving speed) and has a large ON/OFF ratio, are provided.
    Type: Grant
    Filed: October 10, 2007
    Date of Patent: July 10, 2012
    Assignee: Idemitsu Kosan, Co., Ltd.
    Inventors: Yuki Nakano, Masatoshi Saito, Hiroaki Nakamura
  • Patent number: 8207525
    Abstract: An organic thin film transistor including a substrate having thereon at least three terminals of a gate electrode, a source electrode and a drain electrode, an insulator layer and an organic semiconductor layer, with a current between a source and a drain being controlled upon application of a voltage to the gate electrode, wherein the organic semiconductor layer includes a specified organic compound having an aromatic heterocyclic group in the center thereof; and an organic thin film light emitting transistor utilizing an organic thin film transistor, wherein the organic thin film transistor is one in which light emission is obtained utilizing a current flowing between the source and the drain, and the light emission is controlled upon application of a voltage to the gate electrode, and is made high with respect to the response speed and has a large ON/OFF ratio, are provided.
    Type: Grant
    Filed: November 28, 2007
    Date of Patent: June 26, 2012
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Masatoshi Saito, Yuki Nakano, Hiroaki Nakamura
  • Patent number: 8203139
    Abstract: An organic thin film transistor including a substrate having thereon at least three terminals of a gate electrode, a source electrode and a drain electrode, an insulator layer and an organic semiconductor layer, with a current between a source and a drain being controlled upon application of a voltage to the gate electrode, wherein the organic semiconductor layer includes a specified organic compound having an aromatic hydrocarbon group or an aromatic heterocyclic group in the center thereof; and an organic thin film light emitting transistor utilizing an organic thin film transistor, wherein the organic thin film transistor is one in which light emission is obtained utilizing a current flowing between the source and the drain, and the light emission is controlled upon application of a voltage to the gate electrode, and is made high with respect to the response speed and has a large ON/OFF ratio, are provided.
    Type: Grant
    Filed: November 21, 2007
    Date of Patent: June 19, 2012
    Assignee: Idemitsu Kosan Co., Ltd
    Inventors: Masatoshi Saito, Yuki Nakano, Hiroaki Nakamura
  • Patent number: 8148720
    Abstract: An organic thin film transistor including a substrate having thereon at least three terminals of a gate electrode, a source electrode and a drain electrode, an insulator layer and an organic semiconductor layer, with a current between a source and a drain being controlled upon application of a voltage to the gate electrode, wherein the organic semiconductor layer includes a specified organic compound having an acetylene or olefin structure in the center thereof; and an organic thin film light emitting transistor utilizing an organic thin film transistor, wherein the organic thin film transistor is one in which light emission is obtained utilizing a current flowing between the source and the drain, and the light emission is controlled upon application of a voltage to the gate electrode, and is made high with respect to the response speed and has a large ON/OFF ratio, are provided.
    Type: Grant
    Filed: November 15, 2007
    Date of Patent: April 3, 2012
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Masatoshi Saito, Yuki Nakano, Hiroaki Nakamura
  • Patent number: 8022401
    Abstract: An organic thin film transistor including a substrate having thereon at least three terminals of a gate electrode, a source electrode and a drain electrode, an insulator layer and an organic semiconductor layer, with a current between a source and a drain being controlled upon application of a voltage to the gate electrode, wherein the organic semiconductor layer includes a specified organic compound having a divalent aromatic hydrocarbon group having a phenanthrene structure in the center thereof; and an organic thin film light emitting transistor utilizing an organic thin film transistor, wherein the organic thin film transistor is one in which light emission is obtained utilizing a current flowing between the source and the drain, and the light emission is controlled upon application of a voltage to the gate electrode, and is made high with respect to the response speed and has a large ON/OFF ratio, are provided.
    Type: Grant
    Filed: November 13, 2007
    Date of Patent: September 20, 2011
    Assignee: Idemitsu Kosan, Co., Ltd.
    Inventors: Masatoshi Saito, Yuki Nakano, Hiroaki Nakamura
  • Publication number: 20110220884
    Abstract: A compound for an organic thin film transistor having a structure represented by the following formula (1): wherein R1 and R2, and R3 and R4 are respectively combined with each other to form an aromatic hydrocarbon ring having 6 to 60 carbon atoms or an aromatic heterocyclic ring having 3 to 60 carbon atoms; the ring being fused to the ring to which the groups are bonded, whereby the structure of the formula (1) has 5 or more aromatic rings that are fused; and the fused rings formed by R1 and R2, and R3 and R4 each may have a substituent.
    Type: Application
    Filed: August 20, 2009
    Publication date: September 15, 2011
    Inventors: Masatoshi Saito, Yuki Nakano, Hiroaki Nakamura, Hirofumi Kondo
  • Publication number: 20110220883
    Abstract: A compound for an organic thin film transistor having a structure of the following formula (1): wherein R1 to R6 are independently a hydrogen atom, a halogen atom, an alkyl group having 1 to 30 carbon atoms, a haloalkyl group having 1 to 30 carbon atoms, an alkoxy group having 1 to 30 carbon atoms, a haloalkoxy group having 1 to 30 carbon atoms, an alkylthio group having 1 to 30 carbon atoms, a haloalkylthio group having 1 to 30 carbon atoms, an alkylamino group having 1 to 30 carbon atoms, a dialkylamino group having 2 to 60 carbon atoms (the alkyl groups may be combined with each other to form a ring structure containing the nitrogen atom), an alkylsulfonyl group having 1 to 30 carbon atoms, a haloalkylsulfonyl group having 1 to 30 carbon atoms, an aromatic hydrocarbon group having 6 to 60 carbon atoms, an aromatic heterocyclic group having 3 to 60 carbon atoms, an alkylsilyl group having 3 to 20 carbon atoms, an alkylsilylacetylene group having 5 to 60 carbon atoms or a cyano group, which each may have
    Type: Application
    Filed: August 5, 2009
    Publication date: September 15, 2011
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yuki Nakano, Masatoshi Saito, Hiroaki Nakamura
  • Publication number: 20110210319
    Abstract: A compound for an organic thin film transistor represented by the following formula (1): wherein at least one pair of adjacent two groups of R1, R3, R5 and R7 is bonded to each other to form a substituted or unsubstituted aromatic hydrocarbon ring having 6 to 60 carbon atoms or a substituted or unsubstituted aromatic heterocyclic ring having 3 to 60 carbon atoms, the ring being fused to the ring to which the groups are bonded; and at least one pair of adjacent two groups of R2, R4, R6 and R8 is bonded to each other to form a substituted or unsubstituted aromatic hydrocarbon ring having 6 to 60 carbon atoms or a substituted or unsubstituted aromatic heterocyclic ring having 3 to 60 carbon atoms, the ring being fused to the ring to which the groups are bonded.
    Type: Application
    Filed: August 28, 2009
    Publication date: September 1, 2011
    Applicant: COMPOUND FOR ORGANIC THIN FLIM TRANSISTOR AND ORGANIC THAN FLIM TRANSITOR USING THE SAME
    Inventors: Yuki Nakano, Masatoshi Saito, Hiroaki Nakamura, Hirofumi Kondo
  • Publication number: 20110180790
    Abstract: A compound for an organic thin film transistor having a structure represented by the following formula (1): wherein at least one of R1 to R6 is a substituent, and the remaining R1 to R6 are a hydrogen atom.
    Type: Application
    Filed: August 14, 2009
    Publication date: July 28, 2011
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Yuki Nakano, Masatoshi Saito, Hiroaki Nakamura, Hirofumi Kondo
  • Publication number: 20110155165
    Abstract: The present invention provides a cleansing composition for the skin or hair, which contains, together with (A) a sulfate type anionic surfactant and (B) an N-acylalanine or a salt thereof, at least one kind of compound selected from (C) an amphoteric surfactant, (D) a cationic polymer, (E) a silicone compound and (F) an oily material, wherein the mixing ratio of (A) and (B) of (A)/(B)=99/1-70/30 (wt %) and the concentration of ingredient (A) or (C) is the highest of all the surfactant components in the composition.
    Type: Application
    Filed: March 11, 2011
    Publication date: June 30, 2011
    Applicant: Ajinomoto Co., Inc.
    Inventors: Naoya YAMATO, Masatoshi Saito, Eiko Oshimura