Patents by Inventor Mikio Okumura
Mikio Okumura 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: 9389357Abstract: A backlight device wherein LEDs which are arranged side by side at a first arrangement interval (P1) are provided to each LED unit. The LED units are mounted to a flexible board at a second arrangement interval. A light guide plate is disposed in such a manner that an end surface thereof is spaced from the LEDs by a distance (H). The light guide plate is disposed so as to satisfy the following relationship: first arrangement interval (P1)<distance (H)<second arrangement interval (P2). Specifically, the LEDs are arranged side by side in such a manner that the first arrangement interval (P1) is not less than 0.1 mm but not greater than 3 mm and the second arrangement interval (P2) is not less than 5 mm but not greater than 15 mm. The light guide plate is disposed in such a manner that the distance (H) is not less than 1 mm but not greater than 7 mm.Type: GrantFiled: July 10, 2014Date of Patent: July 12, 2016Assignee: JVC KENWOOD CorporationInventors: Naoto Hirohata, Yasuhiro Ueki, Nobuyoshi Yamagishi, Takuya Kakinuma, Mikio Okumura
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Publication number: 20140320785Abstract: A backlight device wherein LEDs which are arranged side by side at a first arrangement interval (P1) are provided to each LED unit. The LED units are mounted to a flexible board at a second arrangement interval. A light guide plate is disposed in such a manner that an end surface thereof is spaced from the LEDs by a distance (H). The light guide plate is disposed so as to satisfy the following relationship: first arrangement interval (P1)<distance (H)<second arrangement interval (P2). Specifically, the LEDs are arranged side by side in such a manner that the first arrangement interval (P1) is not less than 0.1 mm but not greater than 3 mm and the second arrangement interval (P2) is not less than 5 mm but not greater than 15 mm. The light guide plate is disposed in such a manner that the distance (H) is not less than 1 mm but not greater than 7 mm.Type: ApplicationFiled: July 10, 2014Publication date: October 30, 2014Inventors: Naoto Hirohata, Yasuhiro Ueki, Nobuyoshi Yamagishi, Takuya Kakinuma, Mikio Okumura
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Patent number: 8807818Abstract: A backlight device wherein LEDs which are arranged side by side at a first arrangement interval (P1) are provided to each LED unit. The LED units are mounted to a flexible board at a second arrangement interval. A light guide plate is disposed in such a manner that an end surface thereof is spaced from the LEDs by a distance (H). The light guide plate is disposed so as to satisfy the following relationship: first arrangement interval (P1)<distance (H)<second arrangement interval (P2). Specifically, the LEDs are arranged side by side in such a manner that the first arrangement interval (P1) is not less than 0.1 mm but not greater than 3 mm and the second arrangement interval (P2) is not less than 5 mm but not greater than 15 mm. The light guide plate is disposed in such a manner that the distance (H) is not less than 1 mm but not greater than 7 mm.Type: GrantFiled: October 22, 2013Date of Patent: August 19, 2014Assignee: JVC KENWOOD CorporationInventors: Naoto Hirohata, Yasuhiro Ueki, Nobuyoshi Yamagishi, Takuya Kakinuma, Mikio Okumura
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Patent number: 8659720Abstract: A backlight device includes a housing, a light source, a diffuse plate and a fixing member. The housing has an open surface. The light source is arranged in the housing. The diffuser plate is arranged on the open surface of the housing and allows light emitted from the light source to pass therethrough while diffusing the light. The fixing member prevents the diffuser plate from bending in a direction in which light passes through the diffuser plate. A part of the fixing member has transmittance adjusted to substantially equalize luminance distribution of light passed through the diffuser plate.Type: GrantFiled: April 30, 2012Date of Patent: February 25, 2014Assignee: JVC Kenwood CorporationInventors: Tsuyoshi Sasaki, Mikio Okumura, Koichi Kamiyama, Makoto Ashihara
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Publication number: 20140043564Abstract: A backlight device wherein LEDs which are arranged side by side at a first arrangement interval (P1) are provided to each LED unit. The LED units are mounted to a flexible board at a second arrangement interval. A light guide plate is disposed in such a manner that an end surface thereof is spaced from the LEDs by a distance (H). The light guide plate is disposed so as to satisfy the following relationship: first arrangement interval (P1)<distance (H)<second arrangement interval (P2). Specifically, the LEDs are arranged side by side in such a manner that the first arrangement interval (P1) is not less than 0.1 mm but not greater than 3 mm and the second arrangement interval (P2) is not less than 5 mm but not greater than 15 mm. The light guide plate is disposed in such a manner that the distance (H) is not less than 1 mm but not greater than 7 mm.Type: ApplicationFiled: October 22, 2013Publication date: February 13, 2014Applicant: JVC KENWOOD CorporationInventors: Naoto Hirohata, Yasuhiro Ueki, Nobuyoshi Yamagishi, Takuya Kakinuma, Mikio Okumura
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Patent number: 8596850Abstract: A backlight device wherein LEDs which are arranged side by side at a first arrangement interval (P1) are provided to each LED unit. The LED units are mounted to a flexible board at a second arrangement interval. A light guide plate is disposed in such a manner that an end surface thereof is spaced from the LEDs by a distance (H). The light guide plate is disposed so as to satisfy the following relationship: first arrangement interval (P1)?distance (H)?second arrangement interval (P2). Specifically, the LEDs are arranged side by side in such a manner that the first arrangement interval (P1) is not less than 0.1 mm but not greater than 3 mm and the second arrangement interval (P2) is not less than 5 mm but not greater than 15 mm. The light guide plate is disposed in such a manner that the distance (H) is not less than 1 mm but not greater than 7 mm.Type: GrantFiled: April 5, 2010Date of Patent: December 3, 2013Assignee: JVC KENWOOD CorporationInventors: Naoto Hirohata, Yasuhiro Ueki, Nobuyoshi Yamagishi, Takuya Kakinuma, Mikio Okumura
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Publication number: 20120212690Abstract: A backlight device includes a housing, a light source, a diffuse plate and a fixing member. The housing has an open surface. The light source is arranged in the housing. The diffuser plate is arranged on the open surface of the housing and allows light emitted from the light source to pass therethrough while diffusing the light. The fixing member prevents the diffuser plate from bending in a direction in which light passes through the diffuser plate. A part of the fixing member has transmittance adjusted to substantially equalize luminance distribution of light passed through the diffuser plate.Type: ApplicationFiled: April 30, 2012Publication date: August 23, 2012Applicant: JVC KENWOOD CORPORATIONInventors: Tsuyoshi SASAKI, Mikio OKUMURA, Koichi KAMIYAMA, Makoto ASHIHARA
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Publication number: 20120134174Abstract: A backlight device wherein LEDs which are arranged side by side at a first arrangement interval (P1) are provided to each LED unit. The LED units are mounted to a flexible board at a second arrangement interval. A light guide plate is disposed in such a manner that an end surface thereof is spaced from the LEDs by a distance (H). The light guide plate is disposed so as to satisfy the following relationship: first arrangement interval (P1)?distance (H)?second arrangement interval (P2). Specifically, the LEDs are arranged side by side in such a manner that the first arrangement interval (P1) is not less than 0.1 mm but not greater than 3 mm and the second arrangement interval (P2) is not less than 5 mm but not greater than 15 mm. The light guide plate is disposed in such a manner that the distance (H) is not less than 1 mm but not greater than 7 mm.Type: ApplicationFiled: April 5, 2010Publication date: May 31, 2012Applicant: VICTOR COMPANY OF JAPAN, LIMITEDInventors: Naoto Hirohata, Yasuhiro Ueki, Nobuyoshi Yamagishi, Takuya Kakinuma, Mikio Okumura
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Publication number: 20100301714Abstract: A cabinet includes a first and a second sub-cabinet having a first and a second inner wall, respectively. The sub-cabinets are fixed to each other so that the inner walls face each other with a gap of a specific distance therebetween. A first and a second rib are laid on the first and second inner walls, respectively. The first and second ribs have an almost same shape as the outer shape of the first and second sub-cabinets, respectively. The first rib is placed outside the second rib at least in a specific direction among upper, lower, left and right directions of the sub-cabinets. The first and second ribs have a height in the specific direction, the height being greater than at least a half of the specific distance.Type: ApplicationFiled: May 28, 2010Publication date: December 2, 2010Applicant: Victor Company of Japan. Ltd. a Corporation of JapanInventors: Hidetoshi Ishibashi, Masaru Matsuzawa, Mikio Okumura
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Publication number: 20100208161Abstract: A backlight device includes a housing, a light source, a diffuse plate and a fixing member. The housing has an open surface. The light source is arranged in the housing. The diffuser plate is arranged on the open surface of the housing and allows light emitted from the light source to pass therethrough while diffusing the light. The fixing member prevents the diffuser plate from bending in a direction in which light passes through the diffuser plate. A part of the fixing member has transmittance adjusted to substantially equalize luminance distribution of light passed through the diffuser plate.Type: ApplicationFiled: February 18, 2010Publication date: August 19, 2010Applicant: VICTOR COMPANY OF JAPAN, LIMITEDInventors: Tsuyoshi Sasaki, Mikio Okumura, Koichi Kamiyama, Makoto Ashihara
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Patent number: 7050387Abstract: An optical disk has a first substrate having a recording layer thereon, information to be recorded on the recording layer being reproducible with irradiation of a laser beam, a reflective layer formed on the recording layer, and a second transparent substrate, the laser beam being incident to the second substrate in reproduction. The first and the second substrates are bonded to each other by a bonding layer via the reflective layer. The bonding layer includes ultraviolet-hardened resin and at least one type of photochromic dye that is stable against the laser beam. In another type, the first substrate maybe transparent. Instead of the second substrate, this type has a hardcoat layer formed on a surface of the first substrate opposite to another surface thereof having the recording layer thereon, the laser beam being incident to the hardcoat layer in reproduction. The hardcoat layer includes ultraviolet-hardened resin and at least one type of photochromic dye that is stable against the laser beam.Type: GrantFiled: June 27, 2003Date of Patent: May 23, 2006Assignee: Victor Company of Japan, Ltd.Inventors: Kouji Tsujita, Mikio Okumura
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Publication number: 20040008612Abstract: An optical disk has a first substrate having a recording layer thereon, information to be recorded on the recording layer being reproducible with irradiation of a laser beam, a reflective layer formed on the recording layer, and a second transparent substrate, the laser beam being incident to the second substrate in reproduction. The first and the second substrates are bonded to each other by a bonding layer via the reflective layer. The bonding layer includes ultraviolet-hardened resin and at least one type of photochromic dye that is stable against the laser beam. In another type, the first substrate maybe transparent. Instead of the second substrate, this type has a hardcoat layer formed on a surface of the first substrate opposite to another surface thereof having the recording layer thereon, the laser beam being incident to the hardcoat layer in reproduction. The hardcoat layer includes ultraviolet-hardened resin and at least one type of photochromic dye that is stable against the laser beam.Type: ApplicationFiled: June 27, 2003Publication date: January 15, 2004Inventors: Kouji Tsujita, Mikio Okumura
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Publication number: 20020118910Abstract: A light deflector for deflecting light inputted through an optical fiber to switch a plurality of cross-connected optical fibers for optical communication. The light deflector is composed of a mirror for deflecting the inputted light, a supporting member for connecting with the mirror by at least one edge thereof, and a frame portion for holding the other edge of the supporting member. The supporting member is composed of a driving member incorporated thereof for transforming convex-concave by supplying an impressed voltage of zero and over values having inverted polarity in relation to initial condition, to make the mirror incline to desirable direction.Type: ApplicationFiled: February 14, 2002Publication date: August 29, 2002Inventors: Mikio Okumura, Yasuhiro Sugeno, Terunobu So, Takayuki Iseki
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Patent number: RE42343Abstract: An optical disk has a first substrate having a recording layer thereon, information to be recorded on the recording layer being reproducible with irradiation of a laser beam, a reflective layer formed on the recording layer, and a second transparent substrate, the laser beam being incident to the second substrate in reproduction. The first and the second substrates are bonded to each other by a bonding layer via the reflective layer. The bonding layer includes ultraviolet-hardened resin and at least one type of photochromic dye that is stable against the laser beam. In another type, the first substrate maybe transparent. Instead of the second substrate, this type has a hardcoat layer formed on a surface of the first substrate opposite to another surface thereof having the recording layer thereon, the laser beam being incident to the hardcoat layer in reproduction. The hardcoat layer includes ultraviolet-hardened resin and at least one type of photochromic dye that is stable against the laser beam.Type: GrantFiled: August 21, 2006Date of Patent: May 10, 2011Assignee: Victor Company of JapanInventors: Kouji Tsujita, Mikio Okumura