Patents by Inventor Takuya Kakinuma

Takuya Kakinuma 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: 11952447
    Abstract: Provided are a polymerizable composition for a dental material that can yield cured molded bodies having superior mechanical strength, a molded body obtained by curing the composition, and a dental material including the molded body. A polymerizable composition for a dental material, the polymerizable composition containing: one selected from the group consisting of allyl compound (A) and an oligomer of allyl compound (A); and (meth)acrylate compound (B).
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: April 9, 2024
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Takuya Matsumoto, Naoyuki Kakinuma
  • Patent number: 9389357
    Abstract: A backlight device wherein LEDs which are arranged side by side at a first arrangement interval (P1) are provided to each LED unit. The LED units are mounted to a flexible board at a second arrangement interval. A light guide plate is disposed in such a manner that an end surface thereof is spaced from the LEDs by a distance (H). The light guide plate is disposed so as to satisfy the following relationship: first arrangement interval (P1)<distance (H)<second arrangement interval (P2). Specifically, the LEDs are arranged side by side in such a manner that the first arrangement interval (P1) is not less than 0.1 mm but not greater than 3 mm and the second arrangement interval (P2) is not less than 5 mm but not greater than 15 mm. The light guide plate is disposed in such a manner that the distance (H) is not less than 1 mm but not greater than 7 mm.
    Type: Grant
    Filed: July 10, 2014
    Date of Patent: July 12, 2016
    Assignee: JVC KENWOOD Corporation
    Inventors: Naoto Hirohata, Yasuhiro Ueki, Nobuyoshi Yamagishi, Takuya Kakinuma, Mikio Okumura
  • Publication number: 20140320785
    Abstract: A backlight device wherein LEDs which are arranged side by side at a first arrangement interval (P1) are provided to each LED unit. The LED units are mounted to a flexible board at a second arrangement interval. A light guide plate is disposed in such a manner that an end surface thereof is spaced from the LEDs by a distance (H). The light guide plate is disposed so as to satisfy the following relationship: first arrangement interval (P1)<distance (H)<second arrangement interval (P2). Specifically, the LEDs are arranged side by side in such a manner that the first arrangement interval (P1) is not less than 0.1 mm but not greater than 3 mm and the second arrangement interval (P2) is not less than 5 mm but not greater than 15 mm. The light guide plate is disposed in such a manner that the distance (H) is not less than 1 mm but not greater than 7 mm.
    Type: Application
    Filed: July 10, 2014
    Publication date: October 30, 2014
    Inventors: Naoto Hirohata, Yasuhiro Ueki, Nobuyoshi Yamagishi, Takuya Kakinuma, Mikio Okumura
  • Patent number: 8807818
    Abstract: A backlight device wherein LEDs which are arranged side by side at a first arrangement interval (P1) are provided to each LED unit. The LED units are mounted to a flexible board at a second arrangement interval. A light guide plate is disposed in such a manner that an end surface thereof is spaced from the LEDs by a distance (H). The light guide plate is disposed so as to satisfy the following relationship: first arrangement interval (P1)<distance (H)<second arrangement interval (P2). Specifically, the LEDs are arranged side by side in such a manner that the first arrangement interval (P1) is not less than 0.1 mm but not greater than 3 mm and the second arrangement interval (P2) is not less than 5 mm but not greater than 15 mm. The light guide plate is disposed in such a manner that the distance (H) is not less than 1 mm but not greater than 7 mm.
    Type: Grant
    Filed: October 22, 2013
    Date of Patent: August 19, 2014
    Assignee: JVC KENWOOD Corporation
    Inventors: Naoto Hirohata, Yasuhiro Ueki, Nobuyoshi Yamagishi, Takuya Kakinuma, Mikio Okumura
  • Publication number: 20140043564
    Abstract: A backlight device wherein LEDs which are arranged side by side at a first arrangement interval (P1) are provided to each LED unit. The LED units are mounted to a flexible board at a second arrangement interval. A light guide plate is disposed in such a manner that an end surface thereof is spaced from the LEDs by a distance (H). The light guide plate is disposed so as to satisfy the following relationship: first arrangement interval (P1)<distance (H)<second arrangement interval (P2). Specifically, the LEDs are arranged side by side in such a manner that the first arrangement interval (P1) is not less than 0.1 mm but not greater than 3 mm and the second arrangement interval (P2) is not less than 5 mm but not greater than 15 mm. The light guide plate is disposed in such a manner that the distance (H) is not less than 1 mm but not greater than 7 mm.
    Type: Application
    Filed: October 22, 2013
    Publication date: February 13, 2014
    Applicant: JVC KENWOOD Corporation
    Inventors: Naoto Hirohata, Yasuhiro Ueki, Nobuyoshi Yamagishi, Takuya Kakinuma, Mikio Okumura
  • Patent number: 8596850
    Abstract: A backlight device wherein LEDs which are arranged side by side at a first arrangement interval (P1) are provided to each LED unit. The LED units are mounted to a flexible board at a second arrangement interval. A light guide plate is disposed in such a manner that an end surface thereof is spaced from the LEDs by a distance (H). The light guide plate is disposed so as to satisfy the following relationship: first arrangement interval (P1)?distance (H)?second arrangement interval (P2). Specifically, the LEDs are arranged side by side in such a manner that the first arrangement interval (P1) is not less than 0.1 mm but not greater than 3 mm and the second arrangement interval (P2) is not less than 5 mm but not greater than 15 mm. The light guide plate is disposed in such a manner that the distance (H) is not less than 1 mm but not greater than 7 mm.
    Type: Grant
    Filed: April 5, 2010
    Date of Patent: December 3, 2013
    Assignee: JVC KENWOOD Corporation
    Inventors: Naoto Hirohata, Yasuhiro Ueki, Nobuyoshi Yamagishi, Takuya Kakinuma, Mikio Okumura
  • Publication number: 20120134174
    Abstract: A backlight device wherein LEDs which are arranged side by side at a first arrangement interval (P1) are provided to each LED unit. The LED units are mounted to a flexible board at a second arrangement interval. A light guide plate is disposed in such a manner that an end surface thereof is spaced from the LEDs by a distance (H). The light guide plate is disposed so as to satisfy the following relationship: first arrangement interval (P1)?distance (H)?second arrangement interval (P2). Specifically, the LEDs are arranged side by side in such a manner that the first arrangement interval (P1) is not less than 0.1 mm but not greater than 3 mm and the second arrangement interval (P2) is not less than 5 mm but not greater than 15 mm. The light guide plate is disposed in such a manner that the distance (H) is not less than 1 mm but not greater than 7 mm.
    Type: Application
    Filed: April 5, 2010
    Publication date: May 31, 2012
    Applicant: VICTOR COMPANY OF JAPAN, LIMITED
    Inventors: Naoto Hirohata, Yasuhiro Ueki, Nobuyoshi Yamagishi, Takuya Kakinuma, Mikio Okumura
  • Patent number: 7679702
    Abstract: A liquid crystal display device includes a first substrate having a plurality of pixel electrodes formed thereon in a matrix fashion, a second substrate having a common electrode formed thereon as facing the pixel electrodes with a specific gap, a liquid crystal filled in the gap, and a multi-layered optical film formed on the pixel electrodes. The multi-layered optical film has a first optical film that exhibits a first refractive index, a second optical film formed on the first optical film, the second optical film exhibiting a second refractive index higher than the first refractive index, and a third optical film formed on the second optical film, the third optical film exhibiting a specific resistance ranging from 1×109 ?cm to 8×1012 ?cm.
    Type: Grant
    Filed: December 7, 2007
    Date of Patent: March 16, 2010
    Assignee: Victor Company of Japan, Ltd.
    Inventors: Hideo Oura, Masanobu Yoshida, Takuya Kakinuma
  • Publication number: 20080151132
    Abstract: A liquid crystal display device includes a first substrate having a plurality of pixel electrodes formed thereon in a matrix fashion, a second substrate having a common electrode formed thereon as facing the pixel electrodes with a specific gap, a liquid crystal filled in the gap, and a multi-layered optical film formed on the pixel electrodes. The multi-layered optical film has a first optical film that exhibits a first refractive index, a second optical film formed on the first optical film, the second optical film exhibiting a second refractive index higher than the first refractive index, and a third optical film formed on the second optical film, the third optical film exhibiting a specific resistance ranging from 1×109 ?cm to 8×1012 ?cm.
    Type: Application
    Filed: December 7, 2007
    Publication date: June 26, 2008
    Applicant: Victor Company of Japan, Ltd.
    Inventors: Hideo Oura, Masanobu Yoshida, Takuya Kakinuma
  • Publication number: 20070046880
    Abstract: A liquid crystal display apparatus includes a driver substrate having a pixel area with pixel electrodes and drive circuits each driving the corresponding pixel electrode arranged in a matrix in the pixel area and a transparent substrate having an opposing electrode. The driver substrate and the transparent substrate face each other with a liquid crystal filled between the pixel electrodes and the opposing electrode. A dielectric material is provided in a gap between each pair of two adjacent pixel electrodes, with 0.2 ? or lower (? being a wavelength of reading light to be used) in phase difference of a step created on the dielectric material provided in the gap with respect to each pixel electrode. A first dielectric film and a second dielectric film are laminated in order in the pixel area. The second dielectric film exhibits a higher refractive index than the first dielectric film.
    Type: Application
    Filed: August 16, 2006
    Publication date: March 1, 2007
    Applicant: Victor Company of Japan, Ltd. a corporation of Japan
    Inventors: Masanobu Shigeta, Tetsuhiro Yamazaki, Hiroyuki Natsuhori, Masanobu Yoshida, Takuya Kakinuma