Patents by Inventor Shogo Horinouchi
Shogo Horinouchi 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: 7920442Abstract: An optical pickup device includes light sources for respectively emitting a plurality of different wavelengths of light, a unit structured for causing at least a part of the light emitted from the light sources to pass a same optical path; and a focusing unit for focusing the light. The focusing unit includes at least first and second focusing parts, the first focusing part being to focus mainly a wavelength of light different from a wavelength of light to be mainly focused by the second focusing part. The optical pickup device and optical disk device are capable of realizing at least one of thickness reduction, size reduction and suppression against characteristic deterioration even where coping with various wavelengths of laser including a blue laser.Type: GrantFiled: August 20, 2010Date of Patent: April 5, 2011Assignee: Panasonic CorporationInventors: Shogo Horinouchi, Takashi Haruguchi, Taiichi Mori, Hideki Yoshinaka, Nobuyuki Tokubuchi, Shin Ishibashi, Hitoshi Asahi
-
Patent number: 7920443Abstract: An optical pickup device includes light sources for respectively emitting a plurality of different wavelengths of light, a unit structured for causing at least a part of the light emitted from the light sources to pass a same optical path; and a focusing unit for focusing the light. The focusing unit includes at least first and second focusing parts, the first focusing part being to focus mainly a wavelength of light different from a wavelength of light to be mainly focused by the second focusing part. The optical pickup device and optical disk device are capable of realizing at least one of thickness reduction, size reduction and suppression against characteristic deterioration even where coping with various wavelengths of laser including a blue laser.Type: GrantFiled: August 20, 2010Date of Patent: April 5, 2011Assignee: Panasonic CorporationInventors: Shogo Horinouchi, Takashi Haruguchi, Taiichi Mori, Hideki Yoshinaka, Nobuyuki Tokubuchi, Shin Ishibashi, Hitoshi Asahi
-
Patent number: 7898928Abstract: To provide an objective lens and an optical pickup device which can thin the objective lens and a device on which the objective lens is mounted, and which can prevent that the pitch of the diffraction grating at the outer periphery of the objective lens becomes too small in the manufacturing procedure and so it becomes difficult to manufacture the Fresnel lens or which does not require a high-grade fine processing technique in order to minimize the pitch of the diffraction grating, in an objective lens which condenses a laser light emitted from a light source to irradiate on an optical disk, the outer periphery on the side surface of the objective lens in which the laser light is incident is formed by a refractive lens portion 7a and the inner periphery thereof is formed by a Fresnel lens portion 7b.Type: GrantFiled: December 24, 2007Date of Patent: March 1, 2011Assignee: Panasonic CorporationInventor: Shogo Horinouchi
-
Publication number: 20100315936Abstract: An optical pickup device includes light sources for respectively emitting a plurality of different wavelengths of light, a unit structured for causing at least a part of the light emitted from the light sources to pass a same optical path; and a focusing unit for focusing the light. The focusing unit includes at least first and second focusing parts, the first focusing part being to focus mainly a wavelength of light different from a wavelength of light to be mainly focused by the second focusing part. The optical pickup device and optical disk device are capable of realizing at least one of thickness reduction, size reduction and suppression against characteristic deterioration even where coping with various wavelengths of laser including a blue laser.Type: ApplicationFiled: August 20, 2010Publication date: December 16, 2010Applicant: PANASONIC CORPORATIONInventors: Shogo Horinouchi, Takashi Haruguchi, Taiichi Mori, Hideki Yoshinaka, Nobuyuki Tokubuchi, Shin Ishibashi, Hitoshi Asahi
-
Publication number: 20100315935Abstract: An optical pickup device includes light sources for respectively emitting a plurality of different wavelengths of light, a unit structured for causing at least a part of the light emitted from the light sources to pass a same optical path; and a focusing unit for focusing the light. The focusing unit includes at least first and second focusing parts, the first focusing part being to focus mainly a wavelength of light different from a wavelength of light to be mainly focused by the second focusing part. The optical pickup device and optical disk device are capable of realizing at least one of thickness reduction, size reduction and suppression against characteristic deterioration even where coping with various wavelengths of laser including a blue laser.Type: ApplicationFiled: August 20, 2010Publication date: December 16, 2010Applicant: PANASONIC CORPORATIONInventors: Shogo Horinouchi, Takashi Haruguchi, Taiichi Mori, Hideki Yoshinaka, Nobuyuki Tokubuchi, Shin Ishibashi, Hitoshi Asahi
-
Patent number: 7839750Abstract: A holographic recording apparatus causes reference light and information light to interfere with each other, and records the interference pattern in a recording medium. The holographic recording apparatus has an objective lens and a focus position controller. The objective lens focuses both the reference light and the information light at a focus position of the recording medium. The focus position controller changes the focus position into a predetermined position on the light path of the reference light.Type: GrantFiled: March 14, 2008Date of Patent: November 23, 2010Assignee: Panasonic CorporationInventors: Shogo Horinouchi, Shohei Inoue, Hideaki Horio
-
Patent number: 7813235Abstract: An optical pickup device includes light sources for respectively emitting a plurality of different wavelengths of light, a unit structured for causing at least a part of the light emitted from the light sources to pass a same optical path; and a focusing unit for focusing the light. The focusing unit includes at least first and second focusing parts, the first focusing part being to focus mainly a wavelength of light different from a wavelength of light to be mainly focused by the second focusing part. The optical pickup device and optical disk device are capable of realizing at least one of thickness reduction, size reduction and suppression against characteristic deterioration even where coping with various wavelengths of laser including a blue laser.Type: GrantFiled: October 3, 2007Date of Patent: October 12, 2010Assignee: Panasonic CorporationInventors: Shogo Horinouchi, Takashi Haruguchi, Taiichi Mori, Hideki Yoshinaka, Nobuyuki Tokubuchi, Shin Ishibashi, Hitoshi Asahi
-
Patent number: 7809259Abstract: A first recording layer for recording information of an optical disk and a second recording layer of the optical disk on which a visible image can be recorded are disposed at an interval of 0.5 mm or more. Thus, even when a high power laser is used on one of the layers, data on the other layer will not be destroyed.Type: GrantFiled: July 25, 2005Date of Patent: October 5, 2010Assignee: Panasonic CorporationInventors: Kazumi Ohtsubo, Hiroaki Sakai, Shogo Horinouchi, Kazuhisa Ide
-
Patent number: 7768895Abstract: To reduce the size or thickness of an optical pickup device and an optical disk drive, an optical pickup device includes a light source that radiates laser light; a condensing member that condenses the laser light onto a recording medium; an optical member that reflects some of the laser light radiated from the light source into the condensing member and transmits the rest of the radiated laser light; and a light receiving sensor that receives the rest of the laser light transmitted through the optical member so as to detect an amount of laser light.Type: GrantFiled: December 21, 2006Date of Patent: August 3, 2010Assignee: Panasonic CorporationInventors: Takashi Haruguchi, Shogo Horinouchi
-
Publication number: 20100103802Abstract: An optical unit includes: a first light emitting device configured to emit a first beam; and a second light emitting device configured to emit a second beam in a direction the same as a direction of the first beam where the second beam is different in wavelength from the first beam. An emission surface of the second light emitting device is arranged at a distance from an emission surface of the first light emitting device in an opposite direction to the direction of the first beam.Type: ApplicationFiled: October 1, 2009Publication date: April 29, 2010Applicant: PANASONIC CORPORATIONInventors: Masaya TATEYANAGI, Shinichi IJIMA, Masanori MINAMIO, Shogo HORINOUCHI
-
Publication number: 20080267039Abstract: A holographic recording apparatus causes reference light and information light to interfere with each other, and records the interference pattern in a recording medium. The holographic recording apparatus has an objective lens and a focus position controller. The objective lens focuses both the reference light and the information light at a focus position of the recording medium. The focus position controller changes the focus position into a predetermined position on the light path of the reference light.Type: ApplicationFiled: March 14, 2008Publication date: October 30, 2008Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.Inventors: Shogo Horinouchi, Shohei Inoue, Hideaki Horio
-
Publication number: 20080181086Abstract: To provide an objective lens and an optical pickup device which can thin the objective lens and a device on which the objective lens is mounted, and which can prevent that the pitch of the diffraction grating at the outer periphery of the objective lens becomes too small in the manufacturing procedure and so it becomes difficult to manufacture the Fresnel lens or which does not require a high-grade fine processing technique in order to minimize the pitch of the diffraction grating, in an objective lens which condenses a laser light emitted from a light source to irradiate on an optical disk, the outer periphery on the side surface of the objective lens in which the laser light is incident is formed by a refractive lens portion 7a and the inner periphery thereof is formed by a Fresnel lens portion 7b.Type: ApplicationFiled: December 24, 2007Publication date: July 31, 2008Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.Inventor: Shogo HORINOUCHI
-
Publication number: 20080031103Abstract: An optical pickup device includes light sources for respectively emitting a plurality of different wavelengths of light, a unit structured for causing at least a part of the light emitted from the light sources to pass a same optical path; and a focusing unit for focusing the light. The focusing unit includes at least first and second focusing parts, the first focusing part being to focus mainly a wavelength of light different from a wavelength of light to be mainly focused by the second focusing part. The optical pickup device and optical disk device are capable of realizing at least one of thickness reduction, size reduction and suppression against characteristic deterioration even where coping with various wavelengths of laser including a blue laser.Type: ApplicationFiled: October 3, 2007Publication date: February 7, 2008Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.Inventors: Shogo HORINOUCHI, Takashi Haruguchi, Taiichi Mori, Hideki Yoshinaka, Nobuyuki Tokubuchi, Shin Ishibashi, Hitoshi Asahi
-
Patent number: 7301864Abstract: To provide an optical pickup device and optical disk device capable of realizing at least one of thickness reduction, size reduction and suppression against characteristic deterioration even where coping with various wavelengths of laser including a blue laser. An optical pickup device comprising light sources for respectively emitting a plurality of different wavelengths of light, unit structured for causing at least a part of the light emitted from the light sources to pass a same optical path; and focusing unit for focusing the light. The focusing unit includes at least first and second focusing parts, the first focusing part being to focus mainly a wavelength of light different from a wavelength of light to be mainly focused by the second focusing part.Type: GrantFiled: July 7, 2004Date of Patent: November 27, 2007Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Shogo Horinouchi, Takashi Haruguchi, Taiichi Mori, Hideki Yoshinaka, Nobuyuki Tokubuchi, Shin Ishibashi, Hitoshi Asahi
-
Publication number: 20070253311Abstract: To provide an optical pick-up apparatus and an optical disc apparatus preventing a polarization hologram from being deteriorated by incidence of laser light having a wavelength for a blue laser into the polarization hologram for a CD or a DVD, an optical pick-up apparatus includes a first objective lens 10 converging first laser light having a long wavelength and irradiating it onto a first optical disc, a second objective lens 13 disposed adjacent to the first objective lens 10, which converges second laser light having a shorter wavelength than the first laser light and irradiates it onto a second optical disc, a standing mirror 9 allowing the first laser light to be irradiated onto the first objective lens 10 and transmitting the second laser light, and a filter film 11g provided between the first objective lens 10 and the standing mirror 9, which transmits the laser light and screens the second laser light.Type: ApplicationFiled: April 19, 2007Publication date: November 1, 2007Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.Inventors: Shogo HORINOUCHI, Taiichi MORI, Takashi HARUGUCHI, Hideki YOSHINAKA, Toshihiro KOGA
-
Publication number: 20070147217Abstract: To reduce the size or thickness of an optical pickup device and an optical disk drive, an optical pickup device includes a light source that radiates laser light; a condensing member that condenses the laser light onto a recording medium; an optical member that reflects some of the laser light radiated from the light source into the condensing member and transmits the rest of the radiated laser light; and a light receiving sensor that receives the rest of the laser light transmitted through the optical member so as to detect an amount of laser light.Type: ApplicationFiled: December 21, 2006Publication date: June 28, 2007Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.Inventors: Takashi Haruguchi, Shogo Horinouchi
-
Patent number: 7196981Abstract: Provided is a focus and tracking control method for an optical pick-up apparatus which is used for recording and reproduction of a small-sized optical disc and which can carry out stable focus control and stable tracking control. A focus control method for an optical pick-up apparatus comprising a light source, an objective lens, a light receiving means having divided four light receiving zones and a polarizing means having divided for lattice zones, characterized in that when the reflected light beam is incident upon the four light receiving zones by way of the four lattice zones, focus control is carried out in accordance with a difference signal between the groups, in the radial direction, of the four light receiving zones which are divided into two groups in the radial direction by the division line in parallel with the tangential direction, respectively through the four lattice zones which are divided into two groups in the tangential direction by a division line in parallel with the radial direction.Type: GrantFiled: March 19, 2003Date of Patent: March 27, 2007Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Hideki Yoshinaka, Shogo Horinouchi, Shin Ishibashi, Fuminobu Furukawa
-
Publication number: 20060028935Abstract: An optical pickup device, comprises a first light source emitting light with a short wavelength; a second light source emitting s light with a wavelength longer than that of the first light source; an optical member guiding the light from the first light source and the light from the second light source on almost the same optical path; a focusing member focusing the light from the optical member; a movable lens provided between the optical member and the focusing lens; and a drive member driving the movable lens, wherein a position of the lens when at least one of recording and reproducing of information is carried out on a medium using the light from the first light source is made different from a position of the lens when at least one of the recording and reproducing of information is carried out on the medium using the light from the second light source.Type: ApplicationFiled: August 2, 2005Publication date: February 9, 2006Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.Inventors: Taiichi Mori, Shogo Horinouchi, Hideki Yoshinaka, Takashi Haruguchi, Hideki Ohyama, Shin Ishibashi, Junya Aso, Tsuyoshi Yoshimoto, Youichi Maehara
-
Publication number: 20060018243Abstract: A first recording layer for recording information of an optical disk and a second recording layer of the optical disk on which a visible image can be recorded are disposed at an interval of 0.5 mm or more. Thus, even when a high power laser is used on one of the layers, data on the other layer will not be destroyed.Type: ApplicationFiled: July 25, 2005Publication date: January 26, 2006Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.Inventors: Kazumi Ohtsubo, Hiroaki Sakai, Shogo Horinouchi, Kazuhisa Ide
-
Patent number: D511331Type: GrantFiled: October 10, 2003Date of Patent: November 8, 2005Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Shogo Horinouchi, Hideki Ohyama