Patents by Inventor Mitsuru Sakai

Mitsuru Sakai 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: 11972053
    Abstract: An object of the present disclosure is to provide a tactile presentation control apparatus that can provide an operation feeling of a dial knob that allows intuitive operation by a tactile sense of the user, and is user-friendly. A tactile presentation control apparatus according to the present disclosure that has a tactile presentation knob placed on an operation surface and presents a tactile sense to the user via the tactile presentation knob. The tactile presentation control apparatus includes a tactile control unit that performs control to present different tactile senses to each of a plurality of operation regions on the operation surface when the tactile presentation knob is rotationally operated. When the tactile presentation knob is present in one of the operation regions, the tactile control unit performs control to present, as the tactile sense, a frictional force generated in the tactile presentation knob to the operation region.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: April 30, 2024
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Tae Orita, Yoshinori Ueno, Mitsuru Sakai, Naoki Numata, Yuki Furumoto, Tsuyoshi Sempuku, Yuichi Sasaki
  • Patent number: 11966072
    Abstract: A planar light source device includes a plurality of light sources that is independently drivable, a first light guide to emit light incident from the first light source from an emitting surface in an emitting direction, a second light guide that is contained in a second light emitting region adjacent to a first light emitting region containing the first light guide and emits light incident from a second light source from the emitting surface in the emitting direction, and a partition frame having a partition wall that is positioned between the first light guide and the second light guide, partitions the first light emitting region and the second light emitting region, and is provided with a gap from the emitting surface of the first light guide, in which an angle formed by a wall surface and a bottom face of the partition wall is an acute angle.
    Type: Grant
    Filed: October 2, 2019
    Date of Patent: April 23, 2024
    Assignee: Mitsubishi Electric Corporation
    Inventors: Eiji Niikura, Saki Motokura, Mikio Araki, Mitsuru Sakai
  • Patent number: 11943547
    Abstract: An image capturing unit captures an image including an embedded image that is printed on the basis of image data in which at least a color component has been modulated according to additional information. An adjustment unit adjusts a white balance of the image captured by the image capturing unit on the basis of an adjustment value associated with the embedded image. A processing unit processes image data of the image captured by the image capturing unit whose white balance has been adjusted by the adjustment unit to read the additional information in the image captured by the image capturing unit.
    Type: Grant
    Filed: November 8, 2022
    Date of Patent: March 26, 2024
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Hiroyuki Sakai, Mitsuru Uratani, Yuki Ishida, Yuki Omagari, Tomohiro Suzuki
  • Patent number: 11789538
    Abstract: An object of the present disclosure is to provide a tactile presentation control apparatus that can provide an operation feeling of a dial knob that allows intuitive operation by a tactile sense of the user, and is user-friendly. A tactile presentation control apparatus according to the present disclosure that has a tactile presentation knob placed on an operation surface and presents a tactile sense to a user via the tactile presentation knob. The tactile presentation control apparatus includes a tactile determination unit that determines the tactile sense according to a state of an apparatus operated with the tactile presentation knob, and a tactile control unit that performs control to present, as the tactile sense determined by the tactile determination unit, a frictional force between the tactile presentation knob and the operation surface in a state where the tactile presentation knob and the operation surface have contact with each other.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: October 17, 2023
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Tae Orita, Akira Yamashita, Yoshinori Ueno, Mitsuru Sakai, Naoki Numata, Yuki Furumoto, Tsuyoshi Sempuku, Yuichi Sasaki
  • Patent number: 11747907
    Abstract: In relation to a tactile presentation panel, a tactile presentation panel has a tactile presentation knob placed on an operation surface and presents a tactile sense to a user via the tactile presentation knob, and includes a control circuit that divides the operation surface into a plurality of regions, assigns a control target to each of divided regions, and sets a tactile sense to be presented for each of the divided regions, a tactile control circuit that generates a tactile sense set by the control circuit for each of the divided regions by changing a frictional force between the operation surface and the tactile presentation knob, and a touch detection circuit that detects a position on the tactile presentation panel of the tactile presentation knob. The tactile presentation knob is placed in the divided region so that the control target is selected.
    Type: Grant
    Filed: January 7, 2020
    Date of Patent: September 5, 2023
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Tae Orita, Yoshinori Ueno, Mitsuru Sakai, Naoki Numata, Yuki Furumoto, Tsuyoshi Sempuku, Yuichi Sasaki
  • Patent number: 11600786
    Abstract: Provided is an organic EL device having high efficiency and high driving stability while being driven at a low voltage. The organic electroluminescent device includes one or more light-emitting layers between an anode and a cathode opposite to each other. At least one of the light-emitting layers contains a host material and a light-emitting dopant, and (i) a first host formed of an indolocarbazole compound having one or two indolocarbazole rings, and (ii) a second host formed of a carbazole compound having a plurality of carbazole rings and having a bond structure represented by the following general formula (3) are used as the host material.
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: March 7, 2023
    Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Junya Ogawa, Takahiro Kai, Masanori Hotta, Yuji Ikenaga, Mitsuru Sakai, Masashi Tada, Tokiko Ueda, Katsuhide Noguchi
  • Publication number: 20230010984
    Abstract: Regarding a tactile presentation panel, a tactile presentation panel that has a tactile presentation knob having a conductive member placed on an operation surface and presents a tactile sense to a user via the tactile presentation knob includes a movement amount calculation circuit that calculates a movement amount of the tactile presentation knob from current coordinates on the tactile presentation panel of the tactile presentation knob and past coordinates of the tactile presentation knob, a tactile strength calculation circuit that calculates a tactile strength to be applied to the user based on the movement amount, and a tactile presentation circuit that sets a voltage signal waveform based on the tactile strength. The movement amount is at least one of a rotation angle and a rotation speed of the tactile presentation knob.
    Type: Application
    Filed: December 26, 2019
    Publication date: January 12, 2023
    Applicant: Mitsubishi Electric Corporation
    Inventors: Masami HAYASHI, Tae ORITA, Yoshinori UENO, Mitsuru SAKAI, Naoki NUMATA, Yuki FURUMOTO, Tsuyoshi SEMPUKU, Yuichi SASAKI
  • Publication number: 20230004224
    Abstract: An object of the present disclosure is to provide a tactile presentation control apparatus that can provide an operation feeling of a dial knob that allows intuitive operation by a tactile sense of the user, and is user-friendly. A tactile presentation control apparatus according to the present disclosure that has a tactile presentation knob placed on an operation surface and presents a tactile sense to the user via the tactile presentation knob. The tactile presentation control apparatus includes a tactile control unit that performs control to present different tactile senses to each of a plurality of operation regions on the operation surface when the tactile presentation knob is rotationally operated. When the tactile presentation knob is present in one of the operation regions, the tactile control unit performs control to present, as the tactile sense, a frictional force generated in the tactile presentation knob to the operation region.
    Type: Application
    Filed: December 26, 2019
    Publication date: January 5, 2023
    Applicant: Mitsubishi Electric Corporation
    Inventors: Tae ORITA, Yoshinori UENO, Mitsuru SAKAI, Naoki NUMATA, Yuki FURUMOTO, Tsuyoshi SEMPUKU, Yuichi SASAKI
  • Publication number: 20230004225
    Abstract: In relation to a tactile presentation panel, a tactile presentation panel has a tactile presentation knob placed on an operation surface and presents a tactile sense to a user via the tactile presentation knob, and includes a control circuit that divides the operation surface into a plurality of regions, assigns a control target to each of divided regions, and sets a tactile sense to be presented for each of the divided regions, a tactile control circuit that generates a tactile sense set by the control circuit for each of the divided regions by changing a frictional force between the operation surface and the tactile presentation knob, and a touch detection circuit that detects a position on the tactile presentation panel of the tactile presentation knob. The tactile presentation knob is placed in the divided region so that the control target is selected.
    Type: Application
    Filed: January 7, 2020
    Publication date: January 5, 2023
    Applicant: Mitsubishi Electric Corporation
    Inventors: Tae ORITA, Yoshinori UENO, Mitsuru SAKAI, Naoki NUMATA, Yuki FURUMOTO, Tsuyoshi SEMPUKU, Yuichi SASAKI
  • Publication number: 20220404912
    Abstract: An object of the present disclosure is to provide a tactile presentation control apparatus that can provide an operation feeling of a dial knob that allows intuitive operation by a tactile sense of the user, and is user-friendly. A tactile presentation control apparatus according to the present disclosure that has a tactile presentation knob placed on an operation surface and presents a tactile sense to a user via the tactile presentation knob. The tactile presentation control apparatus includes a tactile determination unit that determines the tactile sense according to a state of an apparatus operated with the tactile presentation knob, and a tactile control unit that performs control to present, as the tactile sense determined by the tactile determination unit, a frictional force between the tactile presentation knob and the operation surface in a state where the tactile presentation knob and the operation surface have contact with each other.
    Type: Application
    Filed: December 26, 2019
    Publication date: December 22, 2022
    Applicant: Mitsubishi Electric Corporation
    Inventors: Tae ORITA, Akira YAMASHITA, Yoshinori UENO, Mitsuru SAKAI, Naoki NUMATA, Yuki FURUMOTO, Tsuyoshi SEMPUKU, Yuichi SASAKI
  • Publication number: 20220276429
    Abstract: A planar light source device includes a plurality of light sources that is independently drivable, a first light guide to emit light incident from the first light source from an emitting surface in an emitting direction, a second light guide that is contained in a second light emitting region adjacent to a first light emitting region containing the first light guide and emits light incident from a second light source from the emitting surface in the emitting direction, and a partition frame having a partition wall that is positioned between the first light guide and the second light guide, partitions the first light emitting region and the second light emitting region, and is provided with a gap from the emitting surface of the first light guide, in which an angle formed by a wall surface and a bottom face of the partition wall is an acute angle.
    Type: Application
    Filed: October 2, 2019
    Publication date: September 1, 2022
    Applicant: Mitsubishi Electric Corporation
    Inventors: Eiji NIIKURA, Saki MOTOKURA, Mikio ARAKI, Mitsuru SAKAI
  • Publication number: 20220276712
    Abstract: In a tactile sensation presentation panel according to the present disclosure, a tactile sensation presentation screen includes a tactile sensation electrode including a plurality of first electrodes and a plurality of second electrodes alternately disposed on a transparent insulation substrate at intervals. A first voltage signal having a first frequency is applied to the plurality of first electrodes located in at least a partial region of the transparent insulation substrate, and a second voltage signal having a second frequency different from the first frequency is applied to the plurality of second electrodes located in the at least partial region of the transparent insulation substrate. First electrostatic capacitance formed between the tactile sensation electrode and a pointer is calculated. An amplitude voltage and frequency of first and second voltage signals are adjusted based on the calculated first electrostatic capacitance.
    Type: Application
    Filed: July 30, 2020
    Publication date: September 1, 2022
    Applicant: Mitsubishi Electric Corporation
    Inventors: Tae ORITA, Takeshi ONO, Takayuki MORIOKA, Mikio ARAKI, Mitsuru SAKAI
  • Publication number: 20220179254
    Abstract: The vibrating element generates vibration in the touch panel. In the display apparatus, there exist three directions including an x-axis direction and a y-axis direction along the display surface and a z-axis direction orthogonal to the display surface. The plurality of supports are configured such that touch panel does not move in the x-axis direction and the z-axis direction being two directions included in the three directions. Of the three directions, the direction other than the two directions coincides with a vibration direction being a direction of vibration generated by the vibrating element. The touch panel is configured so that the touch panel is configured to move in the vibration direction.
    Type: Application
    Filed: April 22, 2020
    Publication date: June 9, 2022
    Applicant: Mitsubishi Electric Corporation
    Inventors: Naoko IWASAKI, Tae ORITA, Takeshi ONO, Mikio ARAKI, Mitsuru SAKAI
  • Patent number: 10340460
    Abstract: Provided is a practically useful organic electroluminescent device (organic EL device) having high efficiency and high driving stability while being capable of being driven at a low voltage. The organic electroluminescent device includes a light-emitting layer between an anode and a cathode opposite to each other. The light-emitting layer contains two host materials and at least one light-emitting dopant. One of the two host materials is a host material selected from an indolocarbazole compound having one indolocarbazole ring and an indolocarbazole compound having two indolocarbazole rings, and the other thereof is a host material selected from carbazole compounds.
    Type: Grant
    Filed: March 25, 2013
    Date of Patent: July 2, 2019
    Assignees: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD., PIONEER CORPORATION, TOHOKU PIONEER CORPORATION
    Inventors: Takayuki Fukumatsu, Katsuhide Noguchi, Masashi Tada, Mitsuru Sakai, Tohru Asari, Kazuto Shiraishi, Takahiro Kai, Yasuhiro Takahashi, Yuhki Terao, Taishi Tsuji, Yusuke Nakajima, Toshinao Yuki
  • Patent number: 10193069
    Abstract: Provided are a polymer for an organic electroluminescent element, which has improved luminous efficiency and is applicable to a wet process, and an organic electroluminescent element obtained therefrom. The polymer for an organic electroluminescent element has a repeating unit represented by [—(Z)l-(A)m-]n in repeating units constituting a main chain. In addition, the organic electroluminescent element includes, between an anode and a cathode laminated on a substrate, organic layers including a hole-transporting layer and a light-emitting layer, in which at least one of the organic layers contains the polymer for an organic electroluminescent element. In the repeating unit, Z represents an N-indolocarbazolyl group, A represents a repeating unit different from Z, l and m each represent an abundance molar ratio, and l is 5 to 100 mol % and m is 0 to 95 mol %, and n is 2 to 10,000.
    Type: Grant
    Filed: June 18, 2012
    Date of Patent: January 29, 2019
    Assignee: NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.
    Inventors: Hiroshige Tanaka, Tohru Asari, Kazuto Shiraishi, Mitsuru Sakai, Masashi Niina, Kazuaki Yoshimura
  • Publication number: 20180254426
    Abstract: Provided is an organic electroluminescent device having high efficiency and high driving stability while being driven at a low voltage. The organic electroluminescent device is an organic electroluminescent device including a light-emitting layer between an anode and a cathode opposite to each other, in which: the light-emitting layer contains two kinds of host materials and a light-emitting dopant; and a first host material (H1) out of the two kinds of host materials is an indolocarbazole-based compound having one or two indolocarbazole rings, and a second host material (H2) out of the materials is a host material selected from carbazole-based compounds each represented by the general formula (3), the compounds each having a structure in which two carbazole rings are bonded through a six-membered aromatic ring.
    Type: Application
    Filed: March 14, 2016
    Publication date: September 6, 2018
    Applicant: NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.
    Inventors: Yuji IKENAGA, Takahiro KAI, Masanori HOTTA, Junya OGAWA, Mitsuru SAKAI, Masashi TADA, Tokiko UEDA, Katsuhide NOGUCHI
  • Publication number: 20180083201
    Abstract: Provided is an organic EL device having high efficiency and high driving stability while being driven at a low voltage. The organic electroluminescent device includes one or more light-emitting layers between an anode and a cathode opposite to each other. At least one of the light-emitting layers contains a host material and a light-emitting dopant, and (i) a first host formed of an indolocarbazole compound having one or two indolocarbazole rings, and (ii) a second host formed of a carbazole compound having a plurality of carbazole rings and having a bond structure represented by the following general formula (3) are used as the host material.
    Type: Application
    Filed: March 3, 2016
    Publication date: March 22, 2018
    Inventors: Junya Ogawa, Takahiro Kai, Masanori Hotta, Yuji Ikenaga, Mitsuru Sakai, Masashi Tada, Tokiko Ueda, Katsuhide Noguchi
  • Patent number: 9849783
    Abstract: There is provided a renderer 5 that renders a graphics indicator 7b (or 7f) which is displayed on a display screen 7a of a display 7 and which indicates an indication value in synchronization with a short hand 8a.
    Type: Grant
    Filed: November 15, 2013
    Date of Patent: December 26, 2017
    Assignee: Mitsubishi Electric Corporation
    Inventors: Yasuaki Takimoto, Masami Aikawa, Takehisa Mizuguchi, Yoshihiko Mori, Takeshi Mitsui, Masakazu Okuda, Mitsuru Sakai, Masahiro Kosakada, Satoshi Okamoto
  • Publication number: 20170263869
    Abstract: Provided is a homogeneous organic EL device having a low driving voltage, high luminous efficiency, and a long lifetime. The device is an organic electroluminescent device including a light-emitting layer between an anode and a cathode opposite to each other, in which: the light-emitting layer contains a host material and a light-emitting dopant material; the host material is a material obtained by preliminarily mixing two or more kinds of compounds selected from compounds each having a structure in which two nitrogen atoms of an indolocarbazole ring are each substituted with an aromatic hydrocarbon group or an aromatic heterocyclic group; and the light-emitting layer is formed by co-depositing the preliminarily mixed host material and the light-emitting dopant material in a vacuum.
    Type: Application
    Filed: August 26, 2015
    Publication date: September 14, 2017
    Inventors: Masashi Tada, Takahiro Kai, Masanori Hotta, Junya Ogawa, Mitsuru Sakai, Yuji Ikenaga, Tokiko Ueda, Katsuhide Noguchi
  • Patent number: 9543526
    Abstract: Provided are a nitrogen-containing aromatic compound useful for an organic electroluminescent device, and an organic electroluminescent device (organic EL device) that improves luminous efficiency of the device and sufficiently ensures driving stability of the device. The nitrogen-containing aromatic heterocyclic compound is represented by the following formula (1). The organic EL device includes an organic layer that contains the nitrogen-containing aromatic heterocyclic compound between an anode and a cathode laminated on a substrate. In the formula (1), a ring A represents an aromatic ring represented by the formula (1a) and fused with two adjacent rings, a ring B represents a heterocycle represented by the formula (1b) and fused with two adjacent rings, Y's each represent C—R or N, X's each represent N—Z, O, S, or Se, R represents hydrogen, an alkyl group, an aromatic group, or the like, and Z represents an alkyl group, an aromatic group, or the like.
    Type: Grant
    Filed: February 9, 2012
    Date of Patent: January 10, 2017
    Assignee: NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.
    Inventors: Takaya Ishiyama, Hiroyuki Hayashida, Mitsuru Sakai, Masashi Niina, Kazuto Shiraishi, Kazuaki Yoshimura