Patents by Inventor Yoichi Ogata
Yoichi Ogata 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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Patent number: 12196958Abstract: An image projection apparatus includes a first image irradiation unit, a light guide plate unit, and a diffraction grating unit. The first image irradiation unit is configured to emit first light. The light guide plate unit includes a first light incidence unit, an optical waveguide unit, and a first light emission unit. The first light incidence unit on which the first light is incident. The optical waveguide unit is configured to guide a part of the first light as guided light while totally reflecting the part of the first light. The first light emission unit is configured to emit a part of the guided light in a viewpoint direction. The diffraction grating unit is provided in the first light incidence unit. The first light emission unit includes a beam splitter provided in the optical waveguide unit and a retroreflection unit provided at an end of the optical waveguide unit.Type: GrantFiled: February 9, 2022Date of Patent: January 14, 2025Assignee: KOITO MANUFACTURING CO., LTD.Inventor: Yoichi Ogata
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Patent number: 12130453Abstract: An image display device includes a first image projection unit configured to project a first image, a first beam splitter configured to split first projection light emitted from the first image projection unit into first transmitted light and first reflective light, a first retro-reflecting unit configured to cause the first reflective light to incident on the first beam splitter as first retro-reflective light, and a first image forming optical unit configured to form the first retro-reflective light transmitted through the first beam splitter into an image.Type: GrantFiled: June 3, 2020Date of Patent: October 29, 2024Assignee: KOITO MANUFACTURING CO., LTD.Inventor: Yoichi Ogata
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Publication number: 20240231087Abstract: An image projection apparatus includes a first image irradiation unit, a light guide plate unit, and a diffraction grating unit. The first image irradiation unit is configured to emit first light. The light guide plate unit includes a first light incidence unit, an optical waveguide unit, and a first light emission unit. The first light incidence unit on which the first light is incident. The optical waveguide unit is configured to guide a part of the first light as guided light while totally reflecting the part of the first light. The first light emission unit is configured to emit a part of the guided light in a viewpoint direction. The diffraction grating unit is provided in the first light incidence unit. The first light emission unit includes a beam splitter provided in the optical waveguide unit and a retroreflection unit provided at an end of the optical waveguide unit.Type: ApplicationFiled: February 9, 2022Publication date: July 11, 2024Applicant: KOITO MANUFACTURING CO., LTD.Inventor: Yoichi Ogata
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Publication number: 20240134190Abstract: An image projection apparatus includes a first image irradiation unit, a light guide plate unit, and a diffraction grating unit. The first image irradiation unit is configured to emit first light. The light guide plate unit includes a first light incidence unit, an optical waveguide unit, and a first light emission unit. The first light incidence unit on which the first light is incident. The optical waveguide unit is configured to guide a part of the first light as guided light while totally reflecting the part of the first light. The first light emission unit is configured to emit a part of the guided light in a viewpoint direction. The diffraction grating unit is provided in the first light incidence unit. The first light emission unit includes a beam splitter provided in the optical waveguide unit and a retroreflection unit provided at an end of the optical waveguide unit.Type: ApplicationFiled: February 9, 2022Publication date: April 25, 2024Applicant: KOITO MANUFACTURING CO., LTD.Inventor: Yoichi Ogata
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Patent number: 11841504Abstract: An image display device has a first image projection unit configured to emit light for forming a first image, an image forming optical unit configured to form the first image at a first distance and cause the first image to be incident on a viewpoint of a user, and a rotation support unit configured to rotatably hold the image forming optical unit with a fulcrum point as a rotation center.Type: GrantFiled: January 22, 2021Date of Patent: December 12, 2023Assignee: KOITO MANUFACTURING CO., LTD.Inventor: Yoichi Ogata
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Publication number: 20230314671Abstract: An optical element includes a diffraction grating portion in which a plurality of protrusions and a plurality of recesses are periodically formed and a light guide plate portion that is made of a material having a refractive index different from that of the diffraction grating portion and that covers the diffraction grating portion. The light guide plate portion includes a first extending portion extending to one side, and a flat first light emitting portion is formed in the vicinity of an end portion of the first extending portion, and at least plus first order diffracted light of the diffracted light by the diffraction grating portion is totally reflected and guided in the first extending portion, and reaches the first light emitting portion.Type: ApplicationFiled: June 7, 2021Publication date: October 5, 2023Applicant: KOITO MANUFACTURING CO., LTD.Inventors: Yoichi Ogata, Mykyta Kolchiba
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Publication number: 20230213763Abstract: An image display device (100) includes: a first image projection unit (S1) configured to project a first image; a beam splitter (BS1) configured to reflect a part of light emitted from the first image projection unit (S1) in a first direction and transmit remaining light in a second direction; a retroreflection unit (RR) configured to retroreflect, to the beam splitter (BS1), light traveling from the beam splitter (BS1) in one of the first direction and the second direction; a reflection unit (M) configured to reflect, to the beam splitter (BS1), light traveling from the beam splitter (BS1) in the other of the first direction and the second direction; and an image forming optical unit (DM) configured to form an image of the light reflected by the retroreflection unit (RR) and the reflection unit (M) in a space.Type: ApplicationFiled: March 19, 2021Publication date: July 6, 2023Applicant: KOITO MANUFACTURING CO., LTD.Inventor: Yoichi OGATA
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Publication number: 20230069453Abstract: An image display device has a first image projection unit configured to emit light for forming a first image [RAU], an image forming optical unit configured to form the first image at a first distance and cause the first image to be incident on a viewpoint of a user, and a rotation support unit configured to rotatably hold the image forming optical unit with a fulcrum point as a rotation center.Type: ApplicationFiled: January 22, 2021Publication date: March 2, 2023Applicant: KOITO MANUFACTURING CO., LTD.Inventor: Yoichi Ogata
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Publication number: 20230014232Abstract: A beam splitterreflects a portion of light emitted from a first image projector in a first direction while allowing another portion of the light to transmit in a second direction. A first retroreflectorretroreflects the light reflected in the first direction toward the beam splitter. A second retroreflectorretroreflects the light transmitted in the second direction toward the beam splitter. The beam splitterallows the light retroreflected by the first retroreflectorto transmit toward an imaging opticswhile reflecting the light retroreflected by the second retroreflectortoward the imaging optics.Type: ApplicationFiled: December 4, 2020Publication date: January 19, 2023Applicant: KOITO MANUFACTURING CO., LTD.Inventor: Yoichi Ogata
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Publication number: 20220252900Abstract: An image display device (100) includes a first image projection unit (11a) configured to project a first image (A1), a first beam splitter (12a) configured to split first projection light emitted from the first image projection unit (11a) into first transmitted light and first reflective light, a first retro-reflecting unit (13a) configured to cause the first reflective light to incident on the first beam splitter (12a) as first retro-reflective light, and a first image forming optical unit (16a) configured to form the first retro-reflective light transmitted through the first beam splitter (12a) into an image.Type: ApplicationFiled: June 3, 2020Publication date: August 11, 2022Applicant: KOITO MANUFACTURING CO., LTD.Inventor: Yoichi OGATA
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Patent number: 8613450Abstract: Disclosed is a completely nonmetallic pipe connection mechanism for a seal device. In the pipe connecting mechanism of the present invention, a metallic reinforcing pipe (60) is screwed in a through-bore (53) of a flange (50), and a resin connecting pipe (70) is inserted into a through-bore (67) and an expanding diameter portion (68) of the metallic reinforcing pipe (60). Also, a metallic cap (80) is installed in a head (63) of the metallic reinforcing pipe (60), and a large diameter portion (74) of the resin connecting pipe (70) is sandwiched between the metallic reinforcing pipe (60) and the metallic cap (80). Also, a tapered male screw (96) of a resin connector (90) is screwed in a tapered female screw (76) of the large diameter portion (74) of the resin connecting pipe (70) to connect a tube (98) with the resin connecting pipe (70).Type: GrantFiled: March 7, 2011Date of Patent: December 24, 2013Assignee: Eagle Industry Co., Ltd.Inventors: Tetsuya Sato, Yoichi Ogata
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Publication number: 20120267860Abstract: Disclosed is a completely nonmetallic pipe connection mechanism for a seal device. In the pipe connecting mechanism of the present invention, a metallic reinforcing pipe (60) is screwed in a through-bore (53) of a flange (50), and a resin connecting pipe (70) is inserted into a through-bore (67) and an expanding diameter portion (68) of the metallic reinforcing pipe (60). Also, a metallic cap (80) is installed in a head (63) of the metallic reinforcing pipe (60), and a large diameter portion (74) of the resin connecting pipe (70) is sandwiched between the metallic reinforcing pipe (60) and the metallic cap (80). Also, a tapered male screw (96) of a resin connector (90) is screwed in a tapered female screw (76) of the large diameter portion (74) of the resin connecting pipe (70) to connect a tube (98) with the resin connecting pipe (70).Type: ApplicationFiled: March 7, 2011Publication date: October 25, 2012Applicant: Eagle Industry Co., Ltd.Inventors: Tetsuya Sato, Yoichi Ogata
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Publication number: 20100120693Abstract: A medicament for improving prognostic survival in therapy of malignant tumor is provided that may improve prognostic survival in DIC patients where the basal disease is malignant tumor, especially malignant tumor in hematopoietic organs. The medicament according to the invention comprises as a main active ingredient Activated Protein C, which is obtained from plasma or prepared by using the genetic recombination technique, and efficiently prolongs life-span of DIC patients where the basal disease is malignant tumor, especially malignant tumor in hematopoietic organs. In particular, the medicament may reduce adverse side effects of chemotherapeutics in chemotherapy of malignant tumor to enhance efficacy of said therapy and improve prognostic survival of patients suffering from malignant tumor.Type: ApplicationFiled: January 21, 2010Publication date: May 13, 2010Applicant: Juridical Foundation the Chemo-Sero-Therapeutic Research InstituteInventors: Kenji OKAJIMA, Fujio Matsuo, Hiroyuki Sutoh, Yoichi Ogata, Tomohiro Nakagaki
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Patent number: 7612127Abstract: It is to provide a curable resin composition which is curable at room temperature, has fluidity, is excellent in workability and provides a cured product having high thermal conductivity and being excellent in flexibility. A curable resin composition comprising a (meth)acrylate monomer, an organic peroxide, a decomposition accelerator for the organic peroxide, and an inorganic filler, wherein the inorganic filler has a particle size distribution such that it has peak diameters at least in the respective regions of from 3 to 10 ?m and from 30 to 70 ?m, and the mode diameter is from 30 to 70 ?m and the median diameter is from 5 to 40 ?m.Type: GrantFiled: December 21, 2004Date of Patent: November 3, 2009Assignee: Denki Kagaku Kogyo Kabushiki KaishaInventors: Kazuhiro Oshima, Yoichi Ogata
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Publication number: 20080182791Abstract: A medicament for improving prognostic survival in therapy of malignant tumor is provided that may improve prognostic survival in DIC patients where the basal disease is malignant tumor, especially malignant tumor in hematopoietic organs. The medicament according to the invention comprises as a main active ingredient Activated Protein C, which is obtained from plasma or prepared by using the genetic recombination technique, and efficiently prolongs life-span of DIC patients where the basal disease is malignant tumor, especially malignant tumor in hematopoietic organs. In particular, the medicament may reduce adverse side effects of chemotherapeutics in chemotherapy of malignant tumor to enhance efficacy of said therapy and improve prognostic survival of patients suffering from malignant tumor.Type: ApplicationFiled: February 22, 2008Publication date: July 31, 2008Applicant: Juridical Foundation the Chemo-Sero-Therapeutic Research InstituteInventors: Kenji Okajima, Fujio Matsuo, Hiroyuki Sutoh, Yoichi Ogata, Tomohiro Nakagaki
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Publication number: 20070142528Abstract: It is to provide a curable resin composition which is curable at room temperature, has fluidity, is excellent in workability and provides a cured product having high thermal conductivity and being excellent in flexibility. A curable resin composition comprising a (meth)acrylate monomer, an organic peroxide, a decomposition accelerator for the organic peroxide, and an inorganic filler, wherein the inorganic filler has a particle size distribution such that it has peak diameters at least in the respective regions of from 3 to 10 ?m and from 30 to 70 ?m, and the mode diameter is from 30 to 70 ?m and the median diameter is from 5 to 40 ?m.Type: ApplicationFiled: December 21, 2004Publication date: June 21, 2007Applicant: Denki Kagaku Kogyo Kabushiki KaishaInventors: Kazuhiro Oshima, Yoichi Ogata
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Publication number: 20060094650Abstract: A medicament for improving prognostic survival in therapy of malignant tumor is provided that may improve prognostic survival in DIC patients where the basal disease is malignant tumor, especially malignant tumor in hematopoietic organs. The medicament according to the invention comprises as a main active ingredient Activated Protein C, which is obtained from plasma or prepared by using the genetic recombination technique, and efficiently prolongs life-span of DIC patients where the basal disease is malignant tumor, especially malignant tumor in hematopoietic organs. In particular, the medicament may reduce adverse side effects of chemotherapeutics in chemotherapy of malignant tumor to enhance efficacy of said therapy and improve prognostic survival of patients suffering from malignant tumor.Type: ApplicationFiled: December 26, 2003Publication date: May 4, 2006Applicant: Juridical Foundation the Chemo-Sero- Therapeutic Research InstituteInventors: Kenji Okajima, Fujio Matsuo, Hiroyuki Sutoh, Yoichi Ogata, Tomohiro Nakagaki
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Patent number: 5962299Abstract: A method for stabilizing protein C or activated protein C and a preparation obtained by said method are provided, said method and preparation being applicable during procedures such as isolation and purification, lyophilization, heating, etc. or when stored.To a salt buffer containing protein C or activated protein C and sodium ion are added at least one amino acids, and further either one or a combination of albumin and a non-ionic surfactant.Type: GrantFiled: April 29, 1996Date of Patent: October 5, 1999Assignees: Juridical Foundation The Chemo-Sero-Therapeutic Research Institute, Teijin LimitedInventors: Kazumasa Miyata, Yoshinori Akimoto, Yoichi Ogata, Tomohiro Nakagaki
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Patent number: 5831025Abstract: A human Activated Protein C preparation with a high specific activity of 3500 U/mg or more and substantially free from thrombin or other proteases which can convert Protein C into Activated Protein C is provided. A process for preparing this human Activated Protein C, which involves, contacting a solution of human Activated Protein C, after activation of Protein C with thrombin or other activating protease, with a cation exchanger to allow for adsorption of both thrombin or another activating protease and Activated Protein C to the cation exchanger followed by elution of the human Activated Protein C alone.Type: GrantFiled: April 29, 1996Date of Patent: November 3, 1998Assignees: Juridical Foundation The Chemo-Sero-Therapeutic Research Institute, Teijin LimitedInventors: Yoichi Ogata, Toshinobu Nouchi, Shinji Nakahira
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Patent number: 4816338Abstract: A glassy carbon-coated article contains a graphite substrate and a glassy carbon coating applied on the graphite substrate. The coating has a thickness of 15 to 200 microns. The glassy carbon is obtained by heating a raw material containing a thermal decomposition product of an organic polymer and a heat resistant inorganic substance. The difference of thermal expansion coefficient between the glassy carbon and the graphite substrate is not higher than 1.5.times.10.sup.-6 /.degree.C.Type: GrantFiled: May 12, 1987Date of Patent: March 28, 1989Assignee: Denki Kagaku Kogyo Kabushiki KaishaInventors: Ryuichi Terasaki, Shinsei Sato, Yoichi Ogata, Kazumi Nozawa, Yukihiko Nakajima