Patents by Inventor Tadashi Kojima

Tadashi Kojima 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: 11105489
    Abstract: An illumination lens includes an incident face (510), being provided in a recessed manner in a bottom apex part of the lens body (51), and receiving light from the light source (41); a reflection face (520) on the inner side of an outer periphery of the lens body (51), totally reflecting the light, having reached from the incident face (510); and an emission face (530) at the upper end of the lens body (51), emitting the light, having reached from the incident face (510) and the reflection face (520), to the outside, and the incident face (510) distributes the light, which could be directed toward the entire region of the reflection face (520), only in a predetermined range (521) within the reflection face, being adjacent to the upper end side portion, following the emission face (530), and being closer to the bottom apex part.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: August 31, 2021
    Assignee: KOITO ELECTRIC INDUSTRIES, LTD.
    Inventors: Tadashi Fujii, Jun Ito, Youmei Kaminaga, Yasuyo Kojima, Satoru Yakushiji
  • Patent number: 10802446
    Abstract: A time display device, including: an indication display unit which displays a content according to an indicating operation, and a processor, wherein in a case where a remaining time with respect to a reference set time of an elapsed time from a measuring start timing is greater than a predetermined reference remaining time, the processor makes the indication display unit display a ratio of the remaining time with respect to the reference set time, and in a case where the remaining time is equal to or less than the predetermined reference remaining time, the processor makes the indication display unit display the remaining time.
    Type: Grant
    Filed: January 30, 2018
    Date of Patent: October 13, 2020
    Assignee: CASIO COMPUTER CO., LTD.
    Inventors: Tadashi Kojima, Hirohisa Maruyama, Kosuke Hasegawa
  • Patent number: 10760912
    Abstract: There is provided an information acquisition method of a wireless communication device including a receiver configured to perform wireless communication with another wireless communication device to acquire information. The information acquisition method includes acquiring operation time information indicative of time at which the other wireless communication device receives an information acquisition instruction by an operation, acquiring position information indicative of a user position at time based on the acquired operation time information, and acquiring map information for indicating, on a map, the acquired position information.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: September 1, 2020
    Assignee: CASIO COMPUTER CO., LTD.
    Inventors: Takeshi Hanada, Tadashi Kojima, Oh Takahashi, Toyokazu Nishio
  • Patent number: 10691076
    Abstract: An electronic timepiece includes indicators, an operation receiving unit, a timing unit and a processor. The operation receiving unit receives an operation performed by a user. The timing unit counts a date and time at present. The processor carries out operation control of the indicators and obtains a local time setting based on a time difference between a predetermined standard time and a local time at a target position. The processor makes at least apart of the indicators display the local time in accordance with the operation received by the operation receiving unit and obtains the local time setting based on a difference between the displayed local time and the date and time counted by the timing unit.
    Type: Grant
    Filed: May 25, 2018
    Date of Patent: June 23, 2020
    Assignee: CASIO COMPUTER CO., LTD.
    Inventors: Takaomi Yonekura, Tadashi Kojima, Takayasu Akagi, Shinji Saito, Hirofumi Nagareda, Hirohisa Maruyama, Junichi Izumi
  • Patent number: 10634836
    Abstract: There is provided a circularly polarizing plate for an organic EL display apparatus that is excellent in productivity, is prevented from warping, and can achieve an excellent tint. An elongated circularly polarizing plate for an organic EL display apparatus according to an embodiment of the present invention includes in the following order: an elongated polarizer having an absorption axis in a longitudinal direction thereof; an elongated first retardation layer functioning as a ?/2 plate; and an elongated second retardation layer functioning as a ?/4 plate. An angle formed between the absorption axis of the elongated polarizer and a slow axis of the elongated first retardation layer is front 15° to 30°; and the absorption axis of the elongated polarizer and a slow axis of the elongated second retardation layer are substantially perpendicular to each other.
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: April 28, 2020
    Assignee: NITTO DENKO CORPORATION
    Inventors: Kentarou Takeda, Hironori Yaginuma, Kazuki Uwada, Tadashi Kojima, Nao Murakami
  • Patent number: 10509371
    Abstract: A smartphone includes a receiver, a log acquirer, a determiner, an information notifier, and a display. The receiver is in wireless communication with a time display device. The log acquirer acquires log data from the time display device by the receiver. The determiner determines the usage status of the time display device on the basis of the log data acquired by the log acquirer. The information notifier provides, via the display, notification of information corresponding to the usage status determined by the determiner.
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: December 17, 2019
    Assignee: CASIO COMPUTER CO., LTD.
    Inventors: Takeshi Hanada, Katsuhiko Obata, Mitsuaki Matsuo, Hirofumi Nagareda, Tadashi Kojima, Oh Takahashi, Toyokazu Nishio
  • Publication number: 20190293426
    Abstract: There is provided an information acquisition method of a wireless communication device including a receiver configured to perform wireless communication with another wireless communication device to acquire information. The information acquisition method includes acquiring operation time information indicative of time at which the other wireless communication device receives an information acquisition instruction by an operation, acquiring position information indicative of a user position at time based on the acquired operation time information, and acquiring map information for indicating, on a map, the acquired position information.
    Type: Application
    Filed: June 13, 2019
    Publication date: September 26, 2019
    Applicant: CASIO COMPUTER CO., LTD.
    Inventors: Takeshi HANADA, Tadashi KOJIMA, Oh TAKAHASHI, Toyokazu NISHIO
  • Patent number: 10365108
    Abstract: There is provided an information acquisition method of a wireless communication device including a receiver configured to perform wireless communication with another wireless communication device to acquire information. The information acquisition method includes acquiring operation time information indicative of time at which the other wireless communication device receives an information acquisition instruction by an operation, acquiring position information indicative of a user position at time based on the acquired operation time information, and acquiring map information for indicating, on a map, the acquired position information.
    Type: Grant
    Filed: February 20, 2018
    Date of Patent: July 30, 2019
    Assignee: CASIO COMPUTER CO., LTD.
    Inventors: Takeshi Hanada, Tadashi Kojima, Oh Takahashi, Toyokazu Nishio
  • Patent number: 10107946
    Abstract: There is provided a thin polarizing plate with a retardation layer excellent in reworkability. A polarizing plate with a retardation layer according to the present invention includes: a polarizing plate including a polarizer and a protective layer on at least one side of the polarizer; a retardation layer; a first adhesive layer configured to bond the polarizing plate and the retardation layer; and a second adhesive layer arranged as an outermost layer on an opposite side of the retardation layer to the polarizing plate. An average linear expansion coefficient of the second adhesive layer when an ambient temperature is changed from ?150° C. to 20° C. is 38.0(×10?5/° C.) or more, and is larger than an average linear expansion coefficient of the first adhesive layer when an ambient temperature is changed from ?150° C. to 20° C.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: October 23, 2018
    Assignee: NITTO DENKO CORPORATION
    Inventors: Takeharu Kitagawa, Tadashi Kojima, Hiroshi Sumimura
  • Publication number: 20180275614
    Abstract: An electronic timepiece includes indicators, an operation receiving unit, a timing unit and a processor. The operation receiving unit receives an operation performed by a user. The timing unit counts a date and time at present. The processor carries out operation control of the indicators and obtains a local time setting based on a time difference between a predetermined standard time and a local time at a target position. The processor makes at least apart of the indicators display the local time in accordance with the operation received by the operation receiving unit and obtains the local time setting based on a difference between the displayed local time and the date and time counted by the timing unit.
    Type: Application
    Filed: May 25, 2018
    Publication date: September 27, 2018
    Applicant: CASIO COMPUTER CO., LTD.
    Inventors: Takaomi YONEKURA, Tadashi KOJIMA, Takayasu AKAGI, Shinji SAITO, Hirofumi NAGAREDA, Hirohisa MARUYAMA, Junichi IZUMI
  • Publication number: 20180246473
    Abstract: A smartphone includes a receiver, a log acquirer, a determiner, an information notifier, and a display. The receiver is in wireless communication with a time display device. The log acquirer acquires log data from the time display device by the receiver. The determiner determines the usage status of the time display device on the basis of the log data acquired by the log acquirer. The information notifier provides, via the display, notification of information corresponding to the usage status determined by the determiner.
    Type: Application
    Filed: February 8, 2018
    Publication date: August 30, 2018
    Applicant: CASIO COMPUTER CO., LTD.
    Inventors: Takeshi HANADA, Katsuhiko OBATA, Mitsuaki MATSUO, Hirofumi NAGAREDA, Tadashi KOJIMA, Oh TAKAHASHI, Toyokazu NISHIO
  • Publication number: 20180245921
    Abstract: There is provided an information acquisition method of a wireless communication device including a receiver configured to perform wireless communication with another wireless communication device to acquire information. The information acquisition method includes acquiring operation time information indicative of time at which the other wireless communication device receives an information acquisition instruction by an operation, acquiring position information indicative of a user position at time based on the acquired operation time information, and acquiring map information for indicating, on a map, the acquired position information.
    Type: Application
    Filed: February 20, 2018
    Publication date: August 30, 2018
    Applicant: CASIO COMPUTER CO., LTD.
    Inventors: Takeshi HANADA, Tadashi KOJIMA, Oh TAKAHASHI, Toyokazu NISHIO
  • Publication number: 20180231940
    Abstract: A time display device, including: an indication display unit which displays a content according to an indicating operation, and a processor, wherein in a case where a remaining time with respect to a reference set time of an elapsed time from a measuring start timing is greater than a predetermined reference remaining time, the processor makes the indication display unit display a ratio of the remaining time with respect to the reference set time, and in a case where the remaining time is equal to or less than the predetermined reference remaining time, the processor makes the indication display unit display the remaining time.
    Type: Application
    Filed: January 30, 2018
    Publication date: August 16, 2018
    Inventors: Tadashi KOJIMA, Hirohisa MARUYAMA, Kosuke HASEGAWA
  • Patent number: 10007236
    Abstract: An electronic timepiece includes indicators, an operation receiving unit, a timing unit and a processor. The operation receiving unit receives an operation performed by a user. The timing unit counts a date and time at present. The processor carries out operation control of the indicators and obtains a local time setting based on a time difference between a predetermined standard time and a local time at a target position. The processor makes at least a part of the indicators display the local time in accordance with the operation received by the operation receiving unit and obtains the local time setting based on a difference between the displayed local time and the date and time counted by the timing unit.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: June 26, 2018
    Assignee: CASIO COMPUTER CO., LTD.
    Inventors: Takaomi Yonekura, Tadashi Kojima, Takayasu Akagi, Shinji Saito, Hirofumi Nagareda, Hirohisa Maruyama, Junichi Izumi
  • Patent number: 9684096
    Abstract: This invention provides a unit for an image display device in which an optical film laminate and a panel for an image display device are laminated with an adhesive layer therebetween. The optical film laminate contains a polarizer and a polarizer protection functional layer laminated to only one surface of the polarizer. The adhesive layer is laminated to the surface of the polarizer that is opposite to the surface that contacts the polarizer protection functional layer. The panel for an image display device is laminated to the surface of the adhesive layer that is opposite to the surface that contacts the polarizer. A glass transition temperature of the adhesive layer is in a range of from 50° C. to 90° C.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: June 20, 2017
    Assignee: NITTO DENKO CORPORATION
    Inventors: Kentaro Takeda, Tadashi Kojima, Toshiki Oomine, Takuya Mori
  • Publication number: 20170059757
    Abstract: Provided is an optical laminate in which color unevenness resulting from an antireflection film is prevented, the optical laminate being thin and excellent in neutral black reflection hue. The optical laminate includes: a first substrate; a second substrate arranged on one side of the first substrate; an antireflection film arranged between the first substrate and the second substrate; and a resin layer arranged between the first substrate and the second substrate to cover the antireflection film, in which: the antireflection film includes a polarizer and a retardation layer bonded to the polarizer; and the resin layer has a storage modulus of elasticity at 25° C. of 1×106 Pa or more.
    Type: Application
    Filed: August 25, 2016
    Publication date: March 2, 2017
    Applicant: NITTO DENKO CORPORATION
    Inventors: Tadashi Kojima, Kentarou Takeda, Nao Murakami
  • Publication number: 20170060098
    Abstract: An electronic timepiece includes indicators, an operation receiving unit, a timing unit and a processor. The operation receiving unit receives an operation performed by a user. The timing unit counts a date and time at present. The processor carries out operation control of the indicators and obtains a local time setting based on a time difference between a predetermined standard time and a local time at a target position. The processor makes at least a part of the indicators display the local time in accordance with the operation received by the operation receiving unit and obtains the local time setting based on a difference between the displayed local time and the date and time counted by the timing unit.
    Type: Application
    Filed: July 29, 2016
    Publication date: March 2, 2017
    Applicant: CASIO COMPUTER CO., LTD.
    Inventors: Takaomi YONEKURA, Tadashi KOJIMA, Takayasu AKAGI, Shinji SAITO, Hirofumi NAGAREDA, Hirohisa MARUYAMA, Junichi IZUMI
  • Publication number: 20170052300
    Abstract: There is provided a circularly polarizing plate for an organic EL display apparatus that is excellent in productivity, is prevented from warping, and can achieve an excellent tint. An elongated circularly polarizing plate for an organic EL display apparatus according to an embodiment of the present invention includes in the following order: an elongated polarizer having an absorption axis in a longitudinal direction thereof; an elongated first retardation layer functioning as a ?/2 plate; and an elongated second retardation layer functioning as a ?/4 plate. An angle formed between the absorption axis of the elongated polarizer and a slow axis of the elongated first retardation layer is front 15° to 30°; and the absorption axis of the elongated polarizer and a slow axis of the elongated second retardation layer are substantially perpendicular to each other.
    Type: Application
    Filed: April 28, 2015
    Publication date: February 23, 2017
    Applicant: NITTO DENKO CORPORATION
    Inventors: Kentarou Takeda, Hironori Yaginuma, Kazuki Uwada, Tadashi Kojima, Nao Murakami
  • Publication number: 20170023716
    Abstract: There is provided a thin polarizing plate with a retardation layer excellent in reworkability. A polarizing plate with a retardation layer according to the present invention includes: a polarizing plate including a polarizer and a protective layer on at least one side of the polarizer; a retardation layer; a first adhesive layer configured to bond the polarizing plate and the retardation layer; and a second adhesive layer arranged as an outermost layer on an opposite side of the retardation layer to the polarizing plate. An average linear expansion coefficient of the second adhesive layer when an ambient temperature is changed from ?150° C. to 20° C. is 38.0(×10?5/° C.) or more, and is larger than an average linear expansion coefficient of the first adhesive layer when an ambient temperature is changed from ?150° C. to 20° C.
    Type: Application
    Filed: July 11, 2016
    Publication date: January 26, 2017
    Applicant: NITTO DENKO CORPORATION
    Inventors: Takeharu Kitagawa, Tadashi Kojima, Hiroshi Sumimura
  • Patent number: 9459389
    Abstract: There is provided a polarizing plate that achieves an excellent reflection hue. A polarizing plate according to an embodiment of the present invention is used in an organic EL panel, and includes a polarizer and a retardation film. In-plane retardations of the retardation film satisfy a relationship of Re(450)<Re(550); and an angle ? formed between an absorption axis of the polarizer and a slow axis of the retardation film satisfies a relationship of 38°???44° or of 46°???52°.
    Type: Grant
    Filed: June 24, 2013
    Date of Patent: October 4, 2016
    Assignee: NITTO DENKO CORPORATION
    Inventors: Takashi Shimizu, Nao Murakami, Kazuki Uwada, Tadashi Kojima, Hironori Yaginuma