Patents by Inventor Kazuo Okamoto

Kazuo Okamoto 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: 12104135
    Abstract: Provided is a lubricant composition including a bicyclic liquid crystal of formula (1), tricyclic liquid crystal compounds of formula (2), and formula (3). The composition is suitable for use in a clean environment, under a high vacuum, under high temperature and a bearing. R1 and R2 are the same or different from each other, and each is —OCH2CH2CH(R?)CH2CH2OR. R11 and R21 are the same or different from each other, and each is —OR. R12, R13, R22 and R23 are the same or different from each other, and each is hydrogen or a group —OR. R31 and R41 are the same or different from each other, and each is —OCH2CH2CH(R?)CH2CH2OR. R32, R33, R42, and R43 are the same or different from each other, and each is hydrogen or —OCH2CH2CH(R?)CH2CH2OR. R is a linear or branched CnH2n+1, 1?n?20, and R? is methyl or ethyl.
    Type: Grant
    Filed: May 24, 2022
    Date of Patent: October 1, 2024
    Assignees: NIPPON THOMPSON CO., LTD., USHIO CHEMIX CORPORATION
    Inventors: Yuichiro Haramoto, Shigemasa Itabashi, Ayana Takemura, Kazuo Okamoto, Hiroyuki Otsuki
  • Patent number: 11807825
    Abstract: Provided are a lubricant composition which is advantageous in that, when applied to a contact area of metal parts, the lubricant composition can suppress generation of rust and can exhibit excellent lubricating performance, and a bearing the lubricant composition having sealed therein. A lubricant composition comprising at least one dicyclic liquid crystal compound represented by the following formula (1), at least one tricyclic liquid crystal compound represented by the following formula (2), and halogen ions, wherein the content of the halogen ions in the lubricant composition is 1 to 900 ppm.
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: November 7, 2023
    Assignees: NIPPON THOMPSON CO., LTD., Ushio Chemix Corporation
    Inventors: Kazuo Okamoto, Hiroyuki Otsuki, Shigemasa Itabashi, Ayana Takemura
  • Patent number: 11674102
    Abstract: Provided is a lubricant composition including a bicyclic liquid crystal of formula (1), and a tricyclic liquid crystal compound of formula (2), and having a mixing mass ratio of the bicyclic liquid crystal compound and tricyclic liquid crystal compound of 95:5 to 15:85. The composition is suitable for use in a clean environment, under a high vacuum, under high temperature and a bearing. R1 and R2 are the same or different from each other, and each is —OCH2CH2CH(R?)CH2CH2OR R11 and R21 are the same or different from each other, and each is —OR. R12, R13, R22 and R23 are the same or different from each other, and each is hydrogen or —OR. R is a linear or branched CnH2n+1, 1?n?20 and R? is methyl or ethyl.
    Type: Grant
    Filed: May 24, 2022
    Date of Patent: June 13, 2023
    Assignees: UNIVERSITY OF YAMANASHI, NIPPON THOMPSON CO., LTD., Ushio Chemix Corporation
    Inventors: Yuichiro Haramoto, Shigemasa Itabashi, Ayana Takemura, Kazuo Okamoto, Hiroyuki Otsuki
  • Publication number: 20220372387
    Abstract: Provided is a lubricant composition including a bicyclic liquid crystal of formula (1), and a tricyclic liquid crystal compound of formula (2), and having a mixing mass ratio of the bicyclic liquid crystal compound and tricyclic liquid crystal compound of 95:5 to 15:85. The composition is suitable for use in a clean environment, under a high vacuum, under high temperature and a bearing. R1 and R2 are the same or different from each other, and each is —OCH2CH2CH(R?)CH2CH2OR R11 and R21 are the same or different from each other, and each is —OR. R12, R13, R22 and R23 are the same or different from each other, and each is hydrogen or —OR. R is a linear or branched CnH2n+1, 1?n?20 and R? is methyl or ethyl.
    Type: Application
    Filed: May 24, 2022
    Publication date: November 24, 2022
    Applicants: UNIVERSITY OF YAMANASHI, NIPPON THOMPSON CO., LTD., Ushio Chemix Corporation
    Inventors: Yuichiro Haramoto, Shigemasa Itabashi, Ayana Takemura, Kazuo Okamoto, Hiroyuki Otsuki
  • Publication number: 20220364009
    Abstract: Provided are a lubricant composition which is advantageous in that, when applied to a contact area of metal parts, the lubricant composition can suppress generation of rust and can exhibit excellent lubricating performance, and a bearing the lubricant composition having sealed therein. A lubricant composition comprising at least one dicyclic liquid crystal compound represented by the following formula (1), at least one tricyclic liquid crystal compound represented by the following formula (2), and halogen ions, wherein the content of the halogen ions in the lubricant composition is 1 to 900 ppm.
    Type: Application
    Filed: August 11, 2020
    Publication date: November 17, 2022
    Applicants: NIPPON THOMPSON CO., LTD., Ushio Chemix Corporation
    Inventors: Kazuo Okamoto, Hiroyuki Otsuki, Shigemasa Itabashi, Ayana Takemura
  • Patent number: 11447711
    Abstract: This is to provide an electrically-conductive lubricant having characteristics in combination that it shows liquid crystallinity in a wide temperature range, retains low dynamic friction coefficient, has electrical-conductivity, has almost no loss due to evaporation, decomposition and the like, has a clean appearance, and emits fluorescence, and can find deterioration or leakage immediately. This electrically-conductive lubricant comprises at least one kind of the compound (1) represented by the formula (1): 12:8 wherein, R11 and R21 are the same or different from each other, and each is hydrogen or a group —OCH2CH2CH(R?)CH2CH2OR (R is a linear or branched CnH2n+1, 4?n?12, and R? is methyl or ethyl), and R12, R13, R22 and R23 are the same or different from each other, and each is a group —OCH2CH2CH(R?)CH2CH2OR (R is a linear or branched CnH2n+1, 4?n?12, and R? is methyl or ethyl)].
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: September 20, 2022
    Assignees: UNIVERSITY OF YAMANASHI, NIPPON THOMPSON CO., LTD., Ushio Chemix Corporation
    Inventors: Yuichiro Haramoto, Shigemasa Itabashi, Ayana Takemura, Kazuo Okamoto, Hiroyuki Otsuki
  • Publication number: 20220282175
    Abstract: Provided is a lubricant composition including a bicyclic liquid crystal of formula (1), tricyclic liquid crystal compounds of formula (2), and formula (3). The composition is suitable for use in a clean environment, under a high vacuum, under high temperature and a bearing. R1 and R2 are the same or different from each other, and each is —OCH2CH2CH(R?)CH2CH2OR. R11 and R21 are the same or different from each other, and each is —OR. R12, R13, R22 and R23 are the same or different from each other, and each is hydrogen or a group —OR. R31 and R41 are the same or different from each other, and each is —OCH2CH2CH(R?)CH2CH2OR. R32, R33, R42, and R43 are the same or different from each other, and each is hydrogen or —OCH2CH2CH(R?)CH2CH2OR. R is a linear or branched CnH2n+1, 1?n?20, and R? is methyl or ethyl.
    Type: Application
    Filed: May 24, 2022
    Publication date: September 8, 2022
    Applicants: UNIVERSITY OF YAMANASHI, NIPPON THOMPSON CO., LTD., Ushio Chemix Corporation
    Inventors: Yuichiro Haramoto, Shigemasa Itabashi, Ayana Takemura, Kazuo Okamoto, Hiroyuki Otsuki
  • Publication number: 20220223792
    Abstract: Provided is an organic transistor material characterized by having a trans-1,4-disubstituted cyclohexane structure derived from a compound represented by Formula (1). In Formula (1), X represents a skeleton in which plural phenylene groups or naphthylene groups are linked directly or via a vinyl group, a condensed polycyclic hydrocarbon skeleton, or a heterocyclic compound skeleton; m, n, p, and q each independently represent 0 or 1; and R1 and R2 each independently represent an alkyl group or haloalkyl group having 1 to 15 carbon atoms. This organic transistor material has high carrier mobility and excellent thermal stability.
    Type: Application
    Filed: May 25, 2020
    Publication date: July 14, 2022
    Applicants: ORGANO SCIENCE CO., LTD., USHIO CHEMIX CORPORATION
    Inventors: Akira HONMA, Hiroyuki OTSUKI, Masanori TSUTSUI, Kazuo OKAMOTO
  • Publication number: 20210348078
    Abstract: This is to provide an electrically-conductive lubricant having characteristics in combination that it shows liquid crystallinity in a wide temperature range, retains low dynamic friction coefficient, has electrical-conductivity, has almost no loss due to evaporation, decomposition and the like, has a clean appearance, and emits fluorescence, and can find deterioration or leakage immediately. This electrically-conductive lubricant comprises at least one kind of the compound (1) represented by the formula (1): [wherein, R11 and R21 are the same or different from each other, and each is hydrogen or a group —OCH2CH2CH(R?)CH2CH2OR (R is a linear or branched CnH2n+1, 4?n?12, and R? is methyl or ethyl), and R12, R13, R22 and R23 are the same or different from each other, and each is a group —OCH2CH2CH(R?)CH2CH2OR (R is a linear or branched CnH2n+1, 4?n?12, and R? is methyl or ethyl)].
    Type: Application
    Filed: July 16, 2019
    Publication date: November 11, 2021
    Applicants: UNIVERSITY OF YAMANASHI, NIPPON THOMPSON CO., LTD., Ushio Chemix Corporation
    Inventors: Yuichiro Haramoto, Shigemasa Itabashi, Ayana Takemura, Kazuo Okamoto, Hiroyuki Otsuki
  • Patent number: 10512889
    Abstract: Provided is a microreactor which can be produced at a lower cost. The microreactor has a transfer means for transferring a liquid raw material using the pressure of a gas. The microreactor has a raw material tank for storing the liquid raw material. The transfer means for transferring a liquid raw material can transfer the liquid raw material stored in the raw material tank using the pressure of a gas in the raw material tank. A pipe which connects the raw material tank and the next device is preferably provided with a small diameter portion.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: December 24, 2019
    Assignee: Ushio Chemix Corporation
    Inventors: Kazuo Okamoto, Masanori Tsutsui
  • Patent number: 10426900
    Abstract: A method for measuring an amount of pain involves positioning a needle adjacent a non-human animal which is under anesthesia, inserting the needle at a controlled puncture speed into skin of the non-human animal, and measuring a muscle action potential of a muscle portion of the non-human animal produced by the insertion of the needle. The muscle action potential is measured from insertion start, at which the insertion of the needle into the skin is started, to insertion stop, at which the insertion of the needle into the skin is stopped.
    Type: Grant
    Filed: December 31, 2015
    Date of Patent: October 1, 2019
    Assignee: TERUMO KABUSHIKI KAISHA
    Inventors: Kazuo Okamoto, Nozomi Ami, Tadakatsu Isozaki, Daichi Kurihara
  • Publication number: 20190241807
    Abstract: Liquid crystal displays having quick response and high light resistance are provided. A liquid crystal composition includes: (A) a cyclohexane compound of formula [I]: wherein R and R? are each independently a C1-C6 linear alkyl group; (B) a compound that is different from cyclohexane compound (A) and is a liquid crystal; and (C) at least one polymerizable compound selected from the group consisting of a polymerizable compound of formula [II]: P1-Sp1-E-Sp2-P2??[II] wherein, e.g., P1 and P2 are each an acryloyloxy group, Sp1 and Sp2 are each an alkyleneoxy group or a direct bond, and E is an arylene group, and a polymerizable compound of formula [III]: A-(L-W)i-(M-Z)j—(N)k—B??[III] wherein, e.g.
    Type: Application
    Filed: February 7, 2019
    Publication date: August 8, 2019
    Applicants: SHARP KABUSHIKI KAISHA, ORGANO SCIENCE CO., LTD., CHIRACOL CO., LTD.
    Inventors: Masanobu MIZUSAKI, Tsuyoshi OKAZAKI, Yuko TERAOKA, Kazuo OKAMOTO, Toshihiro SHIBATA
  • Publication number: 20190009242
    Abstract: Provided is a microreactor which can be produced at a lower cost. The microreactor has a transfer means for transferring a liquid raw material using the pressure of a gas. The microreactor has a raw material tank for storing the liquid raw material. The transfer means for transferring a liquid raw material can transfer the liquid raw material stored in the raw material tank using the pressure of a gas in the raw material tank. A pipe which connects the raw material tank and the next device is preferably provided with a small diameter portion.
    Type: Application
    Filed: December 22, 2016
    Publication date: January 10, 2019
    Inventors: Kazuo OKAMOTO, Masanori TSUTSUI
  • Patent number: 10043979
    Abstract: An organic semiconductor material having a chrysene skeleton by limiting a compound having particular transistor performance. The chrysene compound is represented by the following chemical formula: In the chemical formula, R2 and R8 are not the same functional group, and independently includes at least one of a hydrogen atom, a substituted or non-substituted aryl group, a substituted or non-substituted heterocyclic group and a substituted or non-substituted alkyl group.
    Type: Grant
    Filed: August 28, 2014
    Date of Patent: August 7, 2018
    Assignee: USHIO CHEMIX CORPORATION
    Inventors: Yoshihito Kunugi, Kazuo Okamoto, Hiroyuki Otsuki
  • Patent number: 9641829
    Abstract: An image display apparatus includes: a first light source; a second light source; a deflection unit for deflecting the light emitted from the first light source toward a viewing position of the first image and deflecting the light emitted from the second light source toward a viewing position of the second image; and a spatial light modulator that has a plurality of pixels each of which includes a plurality of subpixels, and modulates the light having passed through the deflection unit on the basis of a first image signal and a second image signal. Each of subpixels is formed in a shape where the length in the first direction, which is substantially parallel with the line connecting the viewing position of the first image to the viewing position of the second image, is longer than or equal to the length in the second direction orthogonal to the first direction.
    Type: Grant
    Filed: May 13, 2015
    Date of Patent: May 2, 2017
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Katsuo Saigo, Hiroshi Mitani, Kei Tasaka, Kazuo Okamoto, Shuji Inoue
  • Patent number: 9575327
    Abstract: Stereoscopic image viewing eyewear includes a left-eye shutter that controls a visual field of a viewer's left eye, a right-eye shutter that controls a visual field of a viewer's right eye, a distance determiner that detects a distance between the display device and the eyewear and determines whether the detected distance is smaller than a predetermined value, and a shutter controller that controls open and close of the left-eye shutter and the right-eye shutter based on the determined result of the distance determiner to cause the viewer to view the stereoscopic image when the detected distance is larger than a predetermined value, and to cause the viewer to view a non-stereoscopic image when the detected distance is smaller than the predetermined value.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: February 21, 2017
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Katsuo Saigo, Kazuo Okamoto
  • Patent number: 9429412
    Abstract: A hole-shape measuring apparatus is provided with a hole diameter measuring mechanism which measures the diameter of a flush bolt hole, and a countersunk head depth measuring mechanism which measures a countersunk head depth. The hole diameter measuring mechanism has a hole diameter measuring rod configured so as to be inserted into a constant portion at a tip portion and displaced according to the diameter of the constant portion, and a hole diameter measuring sensor which measures the amount of displacement of the hole diameter measuring rod. The countersunk head depth measuring mechanism has a countersunk head depth measuring rod configured so as to be inserted into a countersunk head portion at a tip portion and displaced according to the countersunk head depth, and a countersunk head depth measuring sensor which measures the amount of displacement of the countersunk head depth measuring rod.
    Type: Grant
    Filed: January 18, 2013
    Date of Patent: August 30, 2016
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Mikio Nakamura, Hirofumi Ienaga, Yoshihito Fujita, Kazuo Okamoto
  • Publication number: 20160193430
    Abstract: A method for measuring an amount of pain involves positioning a needle adjacent a non-human animal which is under anesthesia, inserting the needle at a controlled puncture speed into skin of the non-human animal, and measuring a muscle action potential of a muscle portion of the non-human animal produced by the insertion of the needle. The muscle action potential is measured from insertion start, at which the insertion of the needle into the skin is started, to insertion stop, at which the insertion of the needle into the skin is stopped.
    Type: Application
    Filed: December 31, 2015
    Publication date: July 7, 2016
    Applicant: TERUMO KABUSHIKI KAISHA
    Inventors: Kazuo Okamoto, Nozomi Ami, Tadakatsu Isozaki, Daichi Kurihara
  • Publication number: 20150249820
    Abstract: An image display apparatus includes: a first light source; a second light source; a deflection unit for deflecting the light emitted from the first light source toward a viewing position of the first image and deflecting the light emitted from the second light source toward a viewing position of the second image; and a spatial light modulator that has a plurality of pixels each of which includes a plurality of subpixels, and modulates the light having passed through the deflection unit on the basis of a first image signal and a second image signal. Each of subpixels is formed in a shape where the length in the first direction, which is substantially parallel with the line connecting the viewing position of the first image to the viewing position of the second image, is longer than or equal to the length in the second direction orthogonal to the first direction.
    Type: Application
    Filed: May 13, 2015
    Publication date: September 3, 2015
    Inventors: Katsuo SAIGO, Hiroshi MITANI, Kei TASAKA, Kazuo OKAMOTO, Shuji INOUE
  • Patent number: 9113161
    Abstract: Provided is a video system equipped with a video display apparatus and video viewing glasses used for viewing a video displayed on the video display apparatus. The video display apparatus includes: a display section for displaying the video; a synchronizing signal generator for generating an external synchronizing signal in synchronism with the video to notify a display end of a frame constituting the video in synchronism with the video; and a synchronizing signal transmitter for transmitting the external synchronizing signal to the video viewing glasses. The video viewing glasses include: a synchronizing signal receiver for receiving the external synchronizing signal; an optical filter section having a pair of optical filters for adjusting light amounts to be transmitted to left and right eyes of a viewer, respectively; and an optical filter controller for controlling the optical filter section in response to the external synchronizing signal.
    Type: Grant
    Filed: July 14, 2009
    Date of Patent: August 18, 2015
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Kazuhiro Mihara, Shuji Inoue, Hiroshi Mitani, Masanobu Inoe, Keizo Matsumoto, Kazuo Okamoto, Katsuo Saigo