Patents by Inventor Kiyomasa Shirakura
Kiyomasa Shirakura 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: 9298074Abstract: A projector includes: an external case provided with an opening through which light passes; a projection system disposed within an inside space of the external case, wherein the projection system includes a reflection member having a reflection surface capable of reflecting light received from a light source device to guide the light toward the opening, and projects the light to the outside of the external case via the opening; and a detection unit which detects a foreign material existing on the optical path of the light in the area of light exit of the opening.Type: GrantFiled: June 24, 2015Date of Patent: March 29, 2016Assignee: SEIKO EPSON CORPORATIONInventors: Mika Koyama, Yasuyuki Kobayashi, Nobuyuki Otsuki, Kiyomasa Shirakura
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Publication number: 20150293431Abstract: A projector includes: an external case provided with an opening through which light passes; a projection system disposed within an inside space of the external case, wherein the projection system includes a reflection member having a reflection surface capable of reflecting light received from a light source device to guide the light toward the opening, and projects the light to the outside of the external case via the opening; and a detection unit which detects a foreign material existing on the optical path of the light in the area of light exit of the opening.Type: ApplicationFiled: June 24, 2015Publication date: October 15, 2015Applicant: SEIKO EPSON CORPORATIONInventors: Mika KOYAMA, Yasuyuki KOBAYASHI, Nobuyuki OTSUKI, Kiyomasa SHIRAKURA
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Patent number: 9086617Abstract: A projector includes: an external case provided with an opening through which light passes; a projection system disposed within an inside space of the external case, wherein the projection system includes a reflection member having a reflection surface capable of reflecting light received from a light source device to guide the light toward the opening, and projects the light to the outside of the external case via the opening; and a detection unit which detects a foreign material existing on the optical path of the light in the area of light exit of the opening.Type: GrantFiled: November 14, 2014Date of Patent: July 21, 2015Assignee: SEIKO EPSON CORPORATIONInventors: Mika Koyama, Yasuyuki Kobayashi, Nobuyuki Otsuki, Kiyomasa Shirakura
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Publication number: 20150070661Abstract: A projector includes: an external case provided with an opening through which light passes; a projection system disposed within an inside space of the external case, wherein the projection system includes a reflection member having a reflection surface capable of reflecting light received from a light source device to guide the light toward the opening, and projects the light to the outside of the external case via the opening; and a detection unit which detects a foreign material existing on the optical path of the light in the area of light exit of the opening.Type: ApplicationFiled: November 14, 2014Publication date: March 12, 2015Inventors: Mika KOYAMA, Yasuyuki KOBAYASHI, Nobuyuki OTSUKI, Kiyomasa SHIRAKURA
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Patent number: 8915598Abstract: A projector includes: an external case provided with an opening through which light passes; a projection system disposed within an inside space of the external case, wherein the projection system includes a reflection member having a reflection surface capable of reflecting light received from a light source device to guide the light toward the opening, and projects the light to the outside of the external case via the opening; and a detection unit which detects a foreign material existing on the optical path of the light in the area of light exit of the opening.Type: GrantFiled: May 24, 2012Date of Patent: December 23, 2014Assignee: Seiko Epson CorporationInventors: Mika Koyama, Yasuyuki Kobayashi, Nobuyuki Otsuki, Kiyomasa Shirakura
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Patent number: 8702242Abstract: A projector includes a wireless device performing a predetermined function, an external housing which accommodates a light modulation device, a first controller, and the wireless device, an intake fan which introduces air outside the external housing into the external housing through an inlet port, an exhaust fan which discharges the air introduced into the external housing through the inlet port to the outside through an outlet port, a first channel which guides the air introduced through the inlet port toward the light modulation device by the drive of the intake fan, and a second channel which guides the air introduced into the external housing toward the exhaust fan via the wireless device by the drive of the exhaust fan.Type: GrantFiled: April 3, 2012Date of Patent: April 22, 2014Assignee: Seiko Epson CorporationInventor: Kiyomasa Shirakura
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Publication number: 20120307214Abstract: A projector includes: an external case provided with an opening through which light passes; a projection system disposed within an inside space of the external case, wherein the projection system includes a reflection member having a reflection surface capable of reflecting light received from a light source device to guide the light toward the opening, and projects the light to the outside of the external case via the opening; and a detection unit which detects a foreign material existing on the optical path of the light in the area of light exit of the opening.Type: ApplicationFiled: May 24, 2012Publication date: December 6, 2012Applicant: SEIKO EPSON CORPORATIONInventors: Mika KOYAMA, Yasuyuki KOBAYASHI, Nobuyuki OTSUKI, Kiyomasa SHIRAKURA
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Publication number: 20120257172Abstract: A projector includes a wireless device performing a predetermined function, an external housing which accommodates a light modulation device, a first controller, and the wireless device, an intake fan which introduces air outside the external housing into the external housing through an inlet port, an exhaust fan which discharges the air introduced into the external housing through the inlet port to the outside through an outlet port, a first channel which guides the air introduced through the inlet port toward the light modulation device by the drive of the intake fan, and a second channel which guides the air introduced into the external housing toward the exhaust fan via the wireless device by the drive of the exhaust fan.Type: ApplicationFiled: April 3, 2012Publication date: October 11, 2012Applicant: Seiko Epson CorporationInventor: Kiyomasa SHIRAKURA
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Patent number: 7784951Abstract: An electronic instrument includes: an apparatus body which processes information received from a USB device connected thereto; and a housing which houses the apparatus body in an interior, wherein a step sinking in toward an interior of the housing is formed in an outer peripheral surface of the housing, and the step is provided with a USB connecting terminal to which the USB device is connected along the surface of the housing in which the step is formed.Type: GrantFiled: January 22, 2007Date of Patent: August 31, 2010Assignee: Seiko Epson CorporationInventor: Kiyomasa Shirakura
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Publication number: 20070177114Abstract: An electronic instrument includes: an apparatus body which processes information received from a USB device connected thereto; and a housing which houses the apparatus body in an interior, wherein a step sinking in toward an interior of the housing is formed in an outer peripheral surface of the housing, and the step is provided with a USB connecting terminal to which the USB device is connected along the surface of the housing in which the step is formed.Type: ApplicationFiled: January 22, 2007Publication date: August 2, 2007Applicant: Seiko Epson CorporationInventor: Kiyomasa Shirakura
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Patent number: D505440Type: GrantFiled: July 31, 2003Date of Patent: May 24, 2005Assignee: Seiko Epson CorporationInventors: Mugio Kawasaki, Tetsushi Kimura, Hirohisa Nakano, Kiyomasa Shirakura
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Patent number: D551691Type: GrantFiled: August 1, 2006Date of Patent: September 25, 2007Assignee: Seiko Epson CorporationInventors: Isao Sakamaki, Wataru Suzuki, Kiyomasa Shirakura, Masayuki Okoshi
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Patent number: D565078Type: GrantFiled: June 29, 2007Date of Patent: March 25, 2008Assignee: Seiko Epson CorporationInventors: Yuka Funaki, Haruki Senda, Genta Kawabe, Kiyomasa Shirakura
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Patent number: D602061Type: GrantFiled: December 8, 2008Date of Patent: October 13, 2009Assignee: Seiko Epson CorporationInventors: Yoshihiro Tatara, Tetsu Nakayama, Kiyomasa Shirakura, Mika Koyama
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Patent number: D606109Type: GrantFiled: January 21, 2009Date of Patent: December 15, 2009Assignee: Seiko Epson CorporationInventors: Yoshihiro Tatara, Tetsu Nakayama, Kiyomasa Shirakura, Mika Koyama
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Patent number: D660901Type: GrantFiled: October 7, 2011Date of Patent: May 29, 2012Assignee: Seiko Epson CorporationInventors: Saeko Inoue, Tetsu Nakayama, Kiyomasa Shirakura, Shigeyuki Seki