Patents by Inventor Keiichi Murakami
Keiichi Murakami 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).
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Publication number: 20240161594Abstract: An information notification device is configured to: acquire apparatus information on an apparatus; determine an action for the apparatus based on the apparatus information; determine an executor who is to perform the determined action from among multiple users; determine a notification target person to be notified that the executor is to perform the action with reference to relationship information indicating a relationship among the multiple users; and notify the determined notification target person of notification information indicating that the executor is to perform the action.Type: ApplicationFiled: January 25, 2024Publication date: May 16, 2024Applicant: Panasonic Intellectual Property Corporation of AmericaInventors: Kotaro SAKATA, Keiichi TOIYAMA, Kenta MURAKAMI, Takamichi MATSUSAKO, Megumi MIZOGUCHI
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Patent number: 11964607Abstract: A vehicle loads at least one of a plurality of upper units having space to store a person or an object on an under unit including a drive mechanism that rotates wheels in the vehicle. The vehicle includes an under unit including a drive mechanism that rotates wheels and the at least one of the plurality of upper units loaded on the under unit. The under unit includes a loading unit, on which the at least one of the plurality of upper units as described above can be loaded. Each of the plurality of upper units includes a joint that joins to a different upper unit that is adjacently loaded.Type: GrantFiled: November 17, 2020Date of Patent: April 23, 2024Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiroki Yabushita, Keiichi Kondo, Kaori Takahashi, Jin Xin, Daisuke Mizushima, Satoru Ando, Takeshi Murakami, Yuchi Yamanouchi, Kenta Miyahara, So Sawahira, Rina Mukai
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Patent number: 11383493Abstract: A window film including at least a first adhesive layer containing a weathering agent, a barrier layer, a second adhesive layer, and a light control layer in this order.Type: GrantFiled: November 10, 2014Date of Patent: July 12, 2022Assignee: DAI NIPPON PRINTING CO., LTD.Inventors: Keiichi Murakami, Masato Idegami, Anri Takarabe, Shingo Namatame, Masahiro Tatsuzawa
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Patent number: 11316592Abstract: An optical module includes a photoelectric converter configured to receive an optical signal having an intensity that changes at one of a first frequency or a second frequency that is higher than the first frequency, and convert the optical signal into a current signal corresponding to the intensity of the optical signal; a signal processor configured to acquire, when the optical signal has the intensity that changes at the first frequency, wavelength information set on a transmitting side based on a ratio between a plurality of signal intensities included in the current signal relating to the optical signal having the intensity that changes at the first frequency; and a decoder configured to generate, when the optical signal has the intensity that changes at the second frequency, communication data from the current signal relating to the optical signal having the intensity that changes at the second frequency.Type: GrantFiled: February 9, 2021Date of Patent: April 26, 2022Assignee: Lumentum Japan, Inc.Inventors: Koki Sato, Masaaki Furukawa, Keiichi Murakami, Takuya Sato
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Patent number: 11209586Abstract: A see-through image display system having a DOE often has undesirable light or so called ghost images due to the quantization of saw tooth shape of DOE surface. This invention provides ways to eliminate ghost images.Type: GrantFiled: December 15, 2017Date of Patent: December 28, 2021Assignees: NTT DOCOMO, INC.Inventors: Fusao Ishii, Mikiko Nakanishi, Kazuhiko Takahashi, Yuji Aburakawa, Keiichi Murakami
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Patent number: 11073694Abstract: A see-through image display system having a laser-beam-scanner has a very small eyebox when a laser beam is directly projected into eye. This invention provides a solution to increase the size of eyebox using a free-form-mirror to create a real image with high NA without exit-pupil-expander.Type: GrantFiled: December 15, 2017Date of Patent: July 27, 2021Assignees: NTT DOCOMO, Inc.Inventors: Fusao Ishii, Mikiko Nakanishi, Kazuhiko Takahashi, Yuji Abrakawa, Keiichi Murakami
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Patent number: 11061224Abstract: A see-through image display system having an Exit-Pupil-Expander (EPE) to enlarge the eyebox of display is disclosed. The EPE uses a hologram functioning as a micro-lens-array as well as collimation lens.Type: GrantFiled: December 14, 2017Date of Patent: July 13, 2021Assignees: NTT DOCOMO, INC.Inventors: Fusao Ishii, Mikiko Nakanishi, Kazuhiko Takahashi, Yuji Aburakawa, Keiichi Murakami
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Publication number: 20210167862Abstract: An optical module includes a photoelectric converter configured to receive an optical signal having an intensity that changes at one of a first frequency or a second frequency that is higher than the first frequency, and convert the optical signal into a current signal corresponding to the intensity of the optical signal; a signal processor configured to acquire, when the optical signal has the intensity that changes at the first frequency, wavelength information set on a transmitting side based on a ratio between a plurality of signal intensities included in the current signal relating to the optical signal having the intensity that changes at the first frequency; and a decoder configured to generate, when the optical signal has the intensity that changes at the second frequency, communication data from the current signal relating to the optical signal having the intensity that changes at the second frequency.Type: ApplicationFiled: February 9, 2021Publication date: June 3, 2021Inventors: Koki SATO, Masaaki FURUKAWA, Keiichi MURAKAMI, Takuya SATO
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Patent number: 10944479Abstract: An optical module includes a photoelectric converter configured to receive an optical signal having an intensity that changes at one of a first frequency or a second frequency that is higher than the first frequency, and convert the optical signal into a current signal corresponding to the intensity of the optical signal; a signal processor configured to acquire, when the optical signal has the intensity that changes at the first frequency, wavelength information set on a transmitting side based on a ratio between a plurality of signal intensities included in the current signal relating to the optical signal having the intensity that changes at the first frequency; and a decoder configured to generate, when the optical signal has the intensity that changes at the second frequency, communication data from the current signal relating to the optical signal having the intensity that changes at the second frequency.Type: GrantFiled: March 27, 2020Date of Patent: March 9, 2021Assignee: Lumentum Japan, Inc.Inventors: Koki Sato, Masaaki Furukawa, Keiichi Murakami, Takuya Sato
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Patent number: 10883634Abstract: A metal seal can be crushed evenly without forming wrinkles and scratches due to sliding against first and second flat surfaces. The seal comprises a first/second end surface arranged to face the first/second flat surface, respectively. The first end surface comprises a first convex part having a curved or flat surface that contacts the first flat surface, and a first projection that is formed shifted in a radial direction from the first convex part and has a ridge line that contacts the first flat surface. Prior to deformation, when the second end surface contacts the second flat surface and the first flat surface is separated from the first end surface, a point where a vertical distance between the first convex part and the second flat surface is the greatest and the ridge line are located on the same surface that is parallel to the first flat surface.Type: GrantFiled: November 27, 2018Date of Patent: January 5, 2021Assignees: KUMAMOTO PREFECTURE, HORIBA STEC, CO., LTD.Inventors: Makoto Uemura, Hiroki Miyaji, Keiichi Murakami
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Publication number: 20200409143Abstract: A see-through image display system having an Exit-Pupil-Expander (EPE) to enlarge the eyebox of display is disclosed. The EPE uses a hologram functioning as a micro-lens-array as well as collimation lens.Type: ApplicationFiled: December 14, 2017Publication date: December 31, 2020Inventors: Fusao Ishii, Mikiko Nakanishi, Kazuhiko Takahashi, Yuji Abrakawa, Keiichi Murakami
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Patent number: 10869858Abstract: It is an object of the present invention to provide a novel therapeutic agent and method for treating amyotrophic diseases, and more specifically a therapeutic agent and method for treating neurogenic amyotrophic disorders such as amyotrophic lateral sclerosis (ALS) and myogenic amyotrophic disorders such as sarcopenia or disuse muscle atrophy. Provided is a therapeutic agent for amyotrophic diseases that comprises one or more compounds selected from the group consisting of compounds represented by the formula (I), the formula (II) and the formula (III), and pharmaceutically acceptable salts of the compounds when R3 represents OH.Type: GrantFiled: June 24, 2016Date of Patent: December 22, 2020Assignee: Tohoku UniversityInventors: Takaaki Abe, Masakuni Horiguchi, Yuji Matsumoto, Maiko Nagayasu, Keiichi Murakami
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Publication number: 20200322059Abstract: An optical module includes a photoelectric converter configured to receive an optical signal having an intensity that changes at one of a first frequency or a second frequency that is higher than the first frequency, and convert the optical signal into a current signal corresponding to the intensity of the optical signal; a signal processor configured to acquire, when the optical signal has the intensity that changes at the first frequency, wavelength information set on a transmitting side based on a ratio between a plurality of signal intensities included in the current signal relating to the optical signal having the intensity that changes at the first frequency; and a decoder configured to generate, when the optical signal has the intensity that changes at the second frequency, communication data from the current signal relating to the optical signal having the intensity that changes at the second frequency.Type: ApplicationFiled: March 27, 2020Publication date: October 8, 2020Inventors: Koki SATO, Masaaki FURUKAWA, Keiichi MURAKAMI, Takuya SATO
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Publication number: 20200271931Abstract: A see-through image display system having a laser-beam-scanner has a very small eyebox when a laser beam is directly projected into eye. This invention provides a solution to increase the size of eyebox using a free-form-mirror to create a real image with high NA without exit-pupil-expander.Type: ApplicationFiled: December 15, 2017Publication date: August 27, 2020Inventors: Fusao Ishii, Mikiko Nakanishi, Kazuhiko Takahashi, Yuji Abrakawa, Keiichi Murakami
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Patent number: 10730092Abstract: A pressed article manufacturing method employing a press mold equipped with a punch and a die to manufacture a pressed article including a first wall, a second wall extending out from an end portion on at least one length direction side of the first wall toward a back face side of the first wall, and a third wall extending out from a leading end portion of the second wall toward a front face side of the second wall. The manufacturing method includes using the punch and the die to apply pressure to and grip a portion on a base end side of the second wall in a first warp shape in which the base end side portion is warped so as to be convex on a back face side of the second wall as viewed in lateral cross-section in a state prior to demolding from the press mold.Type: GrantFiled: June 26, 2015Date of Patent: August 4, 2020Assignee: NIPPON STEEL CORPORATIONInventors: Takashi Miyagi, Misao Ogawa, Toshimitsu Aso, Yasuharu Tanaka, Keiichi Murakami
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Patent number: 10539798Abstract: A see-through image display system with high resolution up to 4K, wide field of view (FOV) beyond 60 degrees and small form factor is proposed. The optics for the display incorporates optical elements including hologram, DOE, lens and mirror with free form surfaces. This display system is suitable for a wearable display.Type: GrantFiled: July 15, 2017Date of Patent: January 21, 2020Assignees: DOCOMO IncorporatedInventors: Fusao Ishii, Yuji Aburakawa, Kazuhiko Takahashi, Keiichi Murakami, Mikiko Nakanishi
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Patent number: 10520808Abstract: Manufacturing methods are disclosed to produce DOE, HOE and Fresnel optical elements. These methods enable low cost manufacturing with high precision. The methods include lithography, roll-to-roll imprint and UV-casting.Type: GrantFiled: November 11, 2017Date of Patent: December 31, 2019Assignees: DOCOMO IncorporatedInventors: Fusao Ishii, Nakanishi Mikiko, Takahashi Kazuhiko, Abrakawa Yuji, Keiichi Murakami
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Patent number: 10386563Abstract: A compact illuminator for a see-through image display system with highly uniform light distribution is disclosed. This invention enables wearable displays such as eye-glass type see-through display. This system provides a wide divergent beam from a display device so that a viewer can have a large eyebox.Type: GrantFiled: July 15, 2017Date of Patent: August 20, 2019Assignees: NTT DOCOMO, Inc.Inventors: Fusao Ishii, Yuji Aburakawa, Kazuhiko Takahashi, Keiichi Murakami, Mikiko Nakanishi
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Patent number: 10312662Abstract: To provide an optical module whose power consumption in an ambient temperature range is reduced, and an optical transmission equipment. The optical module includes: a housing; a box type optical subassembly including a bottom portion serving as a heat dissipation face; and a heat conductive member disposed between the bottom portion of the optical subassembly and a bottom portion of the housing. The optical subassembly includes one or a plurality of optical semiconductor devices, and a temperature controller on which the one or plurality of optical semiconductor devices are mounted and which is placed on an inner bottom portion of the optical subassembly. The heat conductive member is disposed only at a portion of the bottom portion of the optical subassembly.Type: GrantFiled: June 8, 2018Date of Patent: June 4, 2019Assignee: Oclaro Japan, Inc.Inventors: Takuya Sato, Keiichi Murakami, Koki Sato
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Publication number: 20190162339Abstract: A metal seal can be crushed evenly without forming wrinkles and scratches due to sliding against first and second flat surfaces. The seal comprises a first/second end surface arranged to face the first/second flat surface, respectively. The first end surface comprises a first convex part having a curved or flat surface that contacts the first flat surface, and a first projection that is formed shifted in a radial direction from the first convex part and has a ridge line that contacts the first flat surface. Prior to deformation, when the second end surface contacts the second flat surface and the first flat surface is separated from the first end surface, a point where a vertical distance between the first convex part and the second flat surface is the greatest and the ridge line are located on the same surface that is parallel to the first flat surface.Type: ApplicationFiled: November 27, 2018Publication date: May 30, 2019Inventors: Makoto Uemura, Hiroki Miyaji, Keiichi Murakami