Patents by Inventor Yasuhiro Mizutani
Yasuhiro Mizutani 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: 20240043153Abstract: In order to reduce, at the time when an opening of an accommodation bag is sealed, wrinkles that occur at the accommodation bag, a sealing device (1) includes: a contact member (10) configured to be inserted into an accommodation bag (B1) accommodating a polycrystalline silicon material (S1); a sealing member configured to seal a sealing area (SE); a driving mechanism (20) configured to drive the contact member (10) so as to pull an opening (B2); and a sandwiching member (30) configured to be able to sandwich the accommodation bag (B1) for a second distance (D2) shorter than a first distance (D1) that is a length of the accommodation bag (B1) along the opening (B2) of the accommodation bag (B1).Type: ApplicationFiled: March 25, 2022Publication date: February 8, 2024Inventors: Yasuhiro MIZUTANI, Takahisa IMAI, Masami FUJII, Kazuhiro KAWAGUCHI
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Publication number: 20220365261Abstract: The present invention relates to a microstructure 20 having pores 22 on its surface or inside. The microstructure is a sheet containing an energy ray active resin 21. The pores 22 are formed in a vertical array and are in a formation pattern with a Talbot distance being specified by Formula 1 below: ZT=(2nd2)/???[Formula 1] where ZT represents a Talbot distance (nm), n represents a refractive index, d represents a pitch distance (nm), and ? represents a light wavelength (nm). The pores have a periodic shape in the planar direction. Thus, the present invention provides three-dimensional microfabricated structures through which the periodicity is controlled.Type: ApplicationFiled: October 23, 2020Publication date: November 17, 2022Inventors: Yasuhiro MIZUTANI, Yasuhiro TAKAYA, Hiroki NAKANISHI, Ryu EZAKI, Yoshihiko MAKIURA
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Patent number: 10837906Abstract: According to the present invention, a measurement device includes a light emitting part configured to emit a plurality of spectral lights each including two or more spectra distributed at mutually different frequencies by causing adjacent frequency intervals to be different from each other, a focusing part configured to focus light by causing two or more spectra to overlap in an overlapping region in each of a plurality of different focal point regions of a sample and to be shifted from each other, and a detecting part configured to acquire a signal of fluorescence beats which emits light by interference light beats in each of a plurality of overlapping regions in the sample and includes information of the sample.Type: GrantFiled: August 9, 2018Date of Patent: November 17, 2020Assignee: JAPAN SCIENCE AND TECHNOLOGY AGENCYInventors: Takeshi Yasui, Tetsuo Iwata, Yasuhiro Mizutani, Takeo Minamikawa, Takahiko Mizuno, Eiji Hase, Hirotsugu Yamamoto
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Publication number: 20200166457Abstract: According to the present invention, a measurement device includes a light emitting part configured to emit a plurality of spectral lights each including two or more spectra distributed at mutually different frequencies by causing adjacent frequency intervals to be different from each other, a focusing part configured to focus light by causing two or more spectra to overlap in an overlapping region in each of a plurality of different focal point regions of a sample and to be shifted from each other, and a detecting part configured to acquire a signal of fluorescence beats which emits light by interference light beats in each of a plurality of overlapping regions in the sample and includes information of the sample.Type: ApplicationFiled: August 9, 2018Publication date: May 28, 2020Inventors: Takeshi YASUI, Tetsuo IWATA, Yasuhiro MIZUTANI, Takeo MINAMIKAWA, Takahiko MIZUNO, Eiji HASE, Hirotsugu YAMAMOTO
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Patent number: 6771404Abstract: A hologram screen is produced by using a transmission-type hologram film, permitting images to be seen from the side of the projector. The hologram screen has a transparent member and a hologram film stuck to the transparent member, and produces the image by projecting image-forming light from the projector. The hologram film is of the transmission-type. The hologram screen also has a reflector for reflecting the image-forming light arranged on the back surface side of the hologram film.Type: GrantFiled: January 3, 2002Date of Patent: August 3, 2004Assignee: Denso CorporationInventors: Yasuhiro Mizutani, Kazunori Suzuki
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Patent number: 6590548Abstract: A display apparatus according to one aspect of the first invention includes: an irradiating unit for generating signal light which records information to be displayed; a light-transmitting type screen (or hologram screen) which transmits the signal light input by the irradiating unit to an observer; and a reflection preventing member provided to either both sides, i.e., observer's side and rear side, or any one side, of the light-transmitting type screen (or hologram screen).Type: GrantFiled: February 9, 1999Date of Patent: July 8, 2003Assignee: Denso CorporationInventors: Yasuhiro Mizutani, Tooru Matsumoto, Kenichiro Takada
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Patent number: 6522311Abstract: An image information displaying system comprises a transparent support, a hologram screen attached to the transparent support, a radiation unit for radiating image information on the hologram screen, a sensor for detecting the ambient condition within the viewing angle of the hologram screen, and a controller for controlling the radiation unit based on the signal from the sensor. The image information displaying system, which is inexpensive, long in service life, superior in eye-catching effect and low in running cost, consumes less energy and is controlled by a central control unit connected thereto through a communication line. The lower-end of the hologram screen is 80 to 180 cm from the floor level.Type: GrantFiled: September 25, 1998Date of Patent: February 18, 2003Assignee: Denso CorporationInventors: Satoru Kadowaki, Tooru Matsumoto, Naoyuki Kawazoe, Yasuhiro Mizutani
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Patent number: 6483611Abstract: There is provided a hologram with excellent heat resistance. The hologram comprises a hologram film (10) in which a diffraction grating has been recorder, a substrated (11) situated on one side of the hologram film (10) via a bonding material (13), and a polymer film (12) situated on the other side of the hologram film (10) via a bonding material (13), wherein the thickness of the polymer film (12) is no greater than 100 &mgr;m. Otherwise, the polymer film (12) is subjected to prior heat treatment. There is further provided a production process for holograms with minimal appearance defects.Type: GrantFiled: May 4, 2000Date of Patent: November 19, 2002Assignee: Denso CorporationInventors: Yasuhiro Mizutani, Hidekazu Hattori, Satoru Kadowaki, Kazutaka Suzuki
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Publication number: 20020089710Abstract: A hologram screen easily produced by using a transmission-type hologram film, permitting images to be seen from the side of the projector, having a transparent member 11 and a hologram film 12 stuck to the transparent member 11, and produces the image by projecting image-forming light 3 from the projector 2, the hologram film 12 being of the transmission-type, a reflector 13 for reflecting the image-forming light 3 being arranged on the back surface side 122 of the hologram film 12.Type: ApplicationFiled: January 3, 2002Publication date: July 11, 2002Inventors: Yasuhiro Mizutani, Kazunori Suzuki
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Patent number: 6317227Abstract: A hologram has a hologram element 3 containing a photopolymer and a cover film 22 and cover plate 21 which cover its surfaces. An adhesive 1 is used for bonding the cover film to the hologram element and the cover plate to the hologram element. The hologram has excellent humidity resistance, chemical resistance, solvent resistance and heat resistance, prevents coloration, can maintain its holographic properties and allows easy repositioning of the hologram element.Type: GrantFiled: December 30, 1999Date of Patent: November 13, 2001Assignee: Denso CorporationInventors: Yasuhiro Mizutani, Naoyuki Kawazoe, Hidekazu Hattori
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Patent number: 6141123Abstract: There is provided a hologram with excellent heat resistance. The hologram comprises a hologram film (10) in which a diffraction grating has been recorded, a substrate (11) situated on one side of the hologram film (10) via a bonding material (13), and a polymer film (12) situated on the other side of the hologram film (10) via a bonding material (13), wherein the thickness of the polymer film (12) is no greater than 100 .mu.m. Otherwise, the polymer film (12) is subjected to prior heat treatment. There is further provided a production process for holograms with minimal appearance defects.Type: GrantFiled: May 28, 1999Date of Patent: October 31, 2000Assignee: Denso CorporationInventors: Fuminori Nakashima, Naoyuki Kawazoe, Shoichiro Emmei, Yasuhiro Mizutani, Hidekazu Hattori, Satoru Kadowaki, Kazutaka Suzuki
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Patent number: 6075626Abstract: A hologram has a hologram element 3 containing a photopolymer and a cover film 22 and cover plate 21 which cover its surfaces. An adhesive 1 is used for bonding the cover film to the hologram element and the cover plate to the hologram element. The hologram has excellent humidity resistance, chemical resistance, solvent resistance and heat resistance, prevents coloration, can maintain its holographic properties and allows easy repositioning of the hologram element.Type: GrantFiled: June 22, 1998Date of Patent: June 13, 2000Assignee: Denso CorporationInventors: Yasuhiro Mizutani, Naoyuki Kawazoe, Hidekazu Hattori
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Patent number: 5898511Abstract: A plurality of hologram elements are simultaneously exposed to a constructing light while they are arranged in the form of a stack, so that the incident beam can be uniform within the exposure area. The plurality of hologram elements should be transparent to the constructing light.Type: GrantFiled: February 6, 1995Date of Patent: April 27, 1999Assignee: Nippondenso Co., Ltd.Inventors: Yasuhiro Mizutani, Minoru Ohta, Toshiki Saburi, Tetsuya Kato, Hiroyuki Tatebayashi
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Patent number: 5760931Abstract: A heads-up display unit provided with a display device serving as display image forming means which displays a display image. A hologram serves as a reflecting means, and reflects the display light emitted from the display device, causing reflection of the display image on the interior surface of a vehicle's windshield. A display image is formed outside the windshield towards the front of the vehicle. A concave mirror having a different focal length in different directions is recorded in the hologram serving as a reflecting means so as to offset distortion of the display image caused by curvatures of the windshield. This construction makes it possible to cause the windshield to display a display image free from distortion.Type: GrantFiled: October 13, 1994Date of Patent: June 2, 1998Assignee: Nippondenso Co., Ltd.Inventors: Toshiki Saburi, Yasuhiro Mizutani, Naoyuki Kawazoe, Yoshiaki Fukatsu, Satoshi Koike, Teiyuu Kimura, Shunichi Ogawa, Takekazu Terui, Hiroshi Ando, Masahiro Higuchi
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Patent number: 5726782Abstract: A hologram element includes an optically transparent base plate having first and second opposite surfaces. A film of a diffraction grating is provided on the first surface of the base plate. A nonreflective member is provided on the second surface of the base plate via a dipping process. The nonreflective member includes one of a film including SiO.sub.2 particles and a film of MgF.sub.2. It is preferable that the SiO.sub.2 particles have diameters of 10-150 nm. The diffraction grating film includes, for example, one of a gelatine film, a photopolymer film, and a photoresist film. The base plate includes, for example, a flexible resin film. It is preferable that the flexible resin film is made of a material selected from the group consisting of amorphous polyolefine, polycarbonate (PC), polymethyl methacrylate (PMMA), and perfluoroalkoxypolyethylene (PFA).Type: GrantFiled: March 18, 1996Date of Patent: March 10, 1998Assignee: Nippondenso Co., Ltd.Inventors: Tetsuya Kato, Toshiki Saburi, Naoyuki Kawazoe, Yasuhiro Mizutani
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Patent number: 5654116Abstract: A hologram comprising a diffraction grating film with an interference fringe recorded thereon, a substrate provided on one side of said diffraction grating film, and cover plates provided on the surfaces of the aforesaid diffraction grating film by use of an adhesive, wherein the lateral face portion of the aforesaid hologram is covered with a water repellent layer, or a hologram comprising a diffraction grating film with an interference fringe recorded thereon and a substrate provided on one side of said diffraction grating film, the surface of the aforesaid diffraction grating film being covered with an adhesive, wherein the aforesaid adhesive contains an epoxy resin mixture consisting of an alicyclic epoxy and novolak type epoxy and an alicyclic acid anhydride type curing agent, a chief ingredient composed of an aromatic epoxy resin(s) and a curing agent comprising a mixture of an alicyclic amine and an aliphatic amine, or a chief ingredient composed of an aromatic epoxy resin(s) and a curing agent comprisType: GrantFiled: September 28, 1994Date of Patent: August 5, 1997Assignee: Nippondenso Co., Ltd.Inventors: Tetsuya Kato, Toshiki Saburi, Naoyuki Kawazoe, Yasuhiro Mizutani, Tomonori Ishikawa
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Patent number: 5604611Abstract: A hologram includes an optically transparent base plate having first and second opposite surfaces. A hologram element is provided on the first surface of the base plate, and has a predetermined holographic pattern. An optically transparent member has first and second opposite surfaces. The first surface of the member faces the hologram element. An arrangement serves to prevent light, which successively passes through the transparent base plate, the hologram element, and the member and is then reflected at a boundary between the second surface of the member and an atmosphere, from travelling back to the hologram element.Type: GrantFiled: February 15, 1994Date of Patent: February 18, 1997Assignee: Nippondenso Co., Ltd.Inventors: Toshiki Saburi, Minoru Ohta, Hirokatsu Mukai, Yasuhiro Mizutani, Tetsuya Kato
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Patent number: 5313317Abstract: A hologram includes an optically transparent base plate having first and second opposite surfaces. A hologram element is provided on the first surface of the base plate, and has a predetermined holographic pattern. An optically transparent member has first and second opposite surfaces. The first surface of the member faces the hologram element. An arrangement serves to prevent light, which successively passes through the transparent base plate, the hologram element, and the member and is then reflected at a boundary between the second surface of the member and an atmosphere, from travelling back to the hologram element.Type: GrantFiled: October 9, 1992Date of Patent: May 17, 1994Assignee: Nippondenso Co., Ltd.Inventors: Toshiki Saburi, Minoru Ohta, Hirokatsu Mukai, Yasuhiro Mizutani, Tetsuya Kato