Patents by Inventor Masahito Konishi
Masahito Konishi 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: 20230260545Abstract: An optical disk (100) of the present invention includes (i) a medium information region (101) (a) in which type identification information is recorded by recesses and/or protrusions which are formed by a given modulation method and whose lengths are longer than a length of an optical system resolution limit of a playback device and (b) in which first address information is recorded in a first address data format and (ii) a data region (102) (a) in which content data is recorded by recesses and/or protrusions which are formed by the given modulation method and which include a recess and/or a protrusion whose length is shorter than the length of the optical system resolution limit and (b) in which second address information is recorded in a second address data format.Type: ApplicationFiled: April 21, 2023Publication date: August 17, 2023Inventors: Hirohisa YAMADA, Takayuki NAKA, Masaki YAMAMOTO, Yoshihisa ADACHI, Hideharu TAJIMA, Masahito KONISHI
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Patent number: 11676634Abstract: An optical disk (100) of the present invention includes (i) a medium information region (101) (a) in which type identification information is recorded by recesses and/or protrusions which are formed by a given modulation method and whose lengths are longer than a length of an optical system resolution limit of a playback device and (b) in which first address information is recorded in a first address data format and (ii) a data region (102) (a) in which content data is recorded by recesses and/or protrusions which are formed by the given modulation method and which include a recess and/or a protrusion whose length is shorter than the length of the optical system resolution limit and (b) in which second address information is recorded in a second address data format.Type: GrantFiled: January 2, 2020Date of Patent: June 13, 2023Assignees: SHARP KABUSHIKI KAISHA, MEMORY-TECH HOLDINGS INC.Inventors: Hirohisa Yamada, Takayuki Naka, Masaki Yamamoto, Yoshihisa Adachi, Hideharu Tajima, Masahito Konishi
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Publication number: 20200143829Abstract: An optical disk (100) of the present invention includes (i) a medium information region (101) (a) in which type identification information is recorded by recesses and/or protrusions which are formed by a given modulation method and whose lengths are longer than a length of an optical system resolution limit of a playback device and (b) in which first address information is recorded in a first address data format and (ii) a data region (102) (a) in which content data is recorded by recesses and/or protrusions which are formed by the given modulation method and which include a recess and/or a protrusion whose length is shorter than the length of the optical system resolution limit and (b) in which second address information is recorded in a second address data format.Type: ApplicationFiled: January 2, 2020Publication date: May 7, 2020Inventors: Hirohisa YAMADA, Takayuki NAKA, Masaki YAMAMOTO, Yoshihisa ADACHI, Hideharu TAJIMA, Masahito KONISHI
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Patent number: 10636445Abstract: An optical disk (100) of the present invention includes (i) a medium information region (101) (a) in which type identification information is recorded by recesses and/or protrusions which are formed by a given modulation method and whose lengths are longer than a length of an optical system resolution limit of a playback device and (b) in which first address information is recorded in a first address data format and (ii) a data region (102) (a) in which content data is recorded by recesses and/or protrusions which are formed by the given modulation method and which include a recess and/or a protrusion whose length is shorter than the length of the optical system resolution limit and (b) in which second address information is recorded in a second address data format.Type: GrantFiled: July 9, 2018Date of Patent: April 28, 2020Assignees: SHARP KABUSHIKI KAISHA, MEMORY-TECH HOLDINGS INC.Inventors: Hirohisa Yamada, Takayuki Naka, Masaki Yamamoto, Yoshihisa Adachi, Hideharu Tajima, Masahito Konishi
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Patent number: 10381039Abstract: A reproducing device (100) includes (i) an optical pickup (6) for irradiating, with reproduction light, an optical disk (1) which is a super-resolution medium, (ii) an RF signal processing circuit (9) for converting, into a reproduction signal, light which reflected off optical disk (1), (iii) an i-MLSE detecting section (141) for evaluating quality of the reproduction signal, and (iv) a spherical aberration correcting section (142) for correcting a spherical aberration by using a result of evaluation of the quality of the reproduction signal.Type: GrantFiled: December 14, 2018Date of Patent: August 13, 2019Assignees: SHARP KABUSHIKI KAISHA, MEMORY-TECH HOLDINGS INC.Inventors: Hideharu Tajima, Masaki Yamamoto, Hirohisa Yamada, Takayuki Naka, Masahito Konishi
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Publication number: 20190130941Abstract: A reproducing device (100) includes (i) an optical pickup (6) for irradiating, with reproduction light, an optical disk (1) which is a super-resolution medium, (ii) an RF signal processing circuit (9) for converting, into a reproduction signal, light which reflected off optical disk (1), (iii) an i-MLSE detecting section (141) for evaluating quality of the reproduction signal, and (iv) a spherical aberration correcting section (142) for correcting a spherical aberration by using a result of evaluation of the quality of the reproduction signal.Type: ApplicationFiled: December 14, 2018Publication date: May 2, 2019Inventors: Hideharu TAJIMA, Masaki YAMAMOTO, Hirohisa YAMADA, Takayuki NAKA, Masahito KONISHI
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Patent number: 10192581Abstract: A reproducing device (100) includes (i) an optical pickup (6) for irradiating, with reproduction light, an optical disk (1) which is a super-resolution medium, (ii) an RF signal processing circuit (9) for converting, into a reproduction signal, light which reflected off optical disk (1), (iii) an i-MLSE detecting section (141) for evaluating quality of the reproduction signal, and (iv) a spherical aberration correcting section (142) for correcting a spherical aberration by using a result of evaluation of the quality of the reproduction signal.Type: GrantFiled: April 19, 2018Date of Patent: January 29, 2019Assignees: SHARP KABUSHIKI KAISHA, MEMORY-TECH HOLDINGS INC.Inventors: Hideharu Tajima, Masaki Yamamoto, Hirohisa Yamada, Takayuki Naka, Masahito Konishi
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Publication number: 20180315447Abstract: An optical disk (100) of the present invention includes (i) a medium information region (101) (a) in which type identification information is recorded by recesses and/or protrusions which are formed by a given modulation method and whose lengths are longer than a length of an optical system resolution limit of a playback device and (b) in which first address information is recorded in a first address data format and (ii) a data region (102) (a) in which content data is recorded by recesses and/or protrusions which are formed by the given modulation method and which include a recess and/or a protrusion whose length is shorter than the length of the optical system resolution limit and (b) in which second address information is recorded in a second address data format.Type: ApplicationFiled: July 9, 2018Publication date: November 1, 2018Inventors: Hirohisa YAMADA, Takayuki NAKA, Masaki YAMAMOTO, Yoshihisa ADACHI, Hideharu TAJIMA, Masahito KONISHI
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Patent number: 10068605Abstract: In a case where (i) a reflectance calculated from a reflected light amount obtained from a longest pit (P1max) or a longest space (S1max) in a first pit row is defined as a first reflectance and (ii) a reflectance calculated from a reflected light amount obtained from a longest pit (P2max) or a longest space (S2max) in the second pit row is defined as a second reflectance, the first pit row is formed such that the first reflectance becomes substantially identical with the second reflectance.Type: GrantFiled: April 4, 2018Date of Patent: September 4, 2018Assignees: Sharp Kabushiki Kaisha, Memory-Tech Holdings Inc.Inventors: Takayuki Naka, Hirohisa Yamada, Masaki Yamamoto, Hideharu Tajima, Masahito Konishi
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Publication number: 20180240498Abstract: A reproducing device (100) includes (i) an optical pickup (6) for irradiating, with reproduction light, an optical disk (1) which is a super-resolution medium, (ii) an RF signal processing circuit (9) for converting, into a reproduction signal, light which reflected off optical disk (1), (iii) an i-MLSE detecting section (141) for evaluating quality of the reproduction signal, and (iv) a spherical aberration correcting section (142) for correcting a spherical aberration by using a result of evaluation of the quality of the reproduction signal.Type: ApplicationFiled: April 19, 2018Publication date: August 23, 2018Inventors: Hideharu TAJIMA, Masaki YAMAMOTO, Hirohisa YAMADA, Takayuki NAKA, Masahito KONISHI
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Publication number: 20180226097Abstract: In a case where (i) a reflectance calculated from a reflected light amount obtained from a longest pit (P1max) or a longest space (S1max) in a first pit row is defined as a first reflectance and (ii) a reflectance calculated from a reflected light amount obtained from a longest pit (P2max) or a longest space (S2max) in the second pit row is defined as a second reflectance, the first pit row is formed such that the first reflectance becomes substantially identical with the second reflectance.Type: ApplicationFiled: April 4, 2018Publication date: August 9, 2018Inventors: Takayuki NAKA, Hirohisa YAMADA, Masaki YAMAMOTO, Hideharu TAJIMA, Masahito KONISHI
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Patent number: 10043545Abstract: An optical disk (100) of the present invention includes (i) a medium information region (101) (a) in which type identification information is recorded by recesses and/or protrusions which are formed by a given modulation method and whose lengths are longer than a length of an optical system resolution limit of a playback device and (b) in which first address information is recorded in a first address data format and (ii) a data region (102) (a) in which content data is recorded by recesses and/or protrusions which are formed by the given modulation method and which include a recess and/or a protrusion whose length is shorter than the length of the optical system resolution limit and (b) in which second address information is recorded in a second address data format.Type: GrantFiled: May 31, 2017Date of Patent: August 7, 2018Assignees: SHARP KABUSHIKI KAISHA, MEMORY-TECH HOLDINGS INC.Inventors: Hirohisa Yamada, Takayuki Naka, Masaki Yamamoto, Yoshihisa Adachi, Hideharu Tajima, Masahito Konishi
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Patent number: 9978416Abstract: A reproducing device (100) includes (i) an optical pickup (6) for irradiating, with reproduction light, an optical disk (1) which is a super-resolution medium, (ii) an RF signal processing circuit (9) for converting, into a reproduction signal, light which reflected off optical disk (1), (iii) an i-MLSE detecting section (141) for evaluating quality of the reproduction signal, and (iv) a spherical aberration correcting section (142) for correcting a spherical aberration by using a result of evaluation of the quality of the reproduction signal.Type: GrantFiled: September 26, 2017Date of Patent: May 22, 2018Assignees: SHARP KABUSHIKI KAISHA, MEMORY-TECH HOLDINGS INC.Inventors: Hideharu Tajima, Masaki Yamamoto, Hirohisa Yamada, Takayuki Naka, Masahito Konishi
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Patent number: 9978415Abstract: In a case where (i) a reflectance calculated from a reflected light amount obtained from a longest pit (P1max) or a longest space (S1max) in a first pit row is defined as a first reflectance and (ii) a reflectance calculated from a reflected light amount obtained from a longest pit (P2max) or a longest space (S2max) in the second pit row is defined as a second reflectance, the first pit row is formed such that the first reflectance becomes substantially identical with the second reflectance.Type: GrantFiled: August 16, 2017Date of Patent: May 22, 2018Assignees: SHARP KABUSHIKI KAISHA, MEMORY-TECH HOLDINGS INC.Inventors: Takayuki Naka, Hirohisa Yamada, Masaki Yamamoto, Hideharu Tajima, Masahito Konishi
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Publication number: 20180018998Abstract: A reproducing device (100) includes (i) an optical pickup (6) for irradiating, with reproduction light, an optical disk (1) which is a super-resolution medium, (ii) an RF signal processing circuit (9) for converting, into a reproduction signal, light which reflected off optical disk (1), (iii) an i-MLSE detecting section (141) for evaluating quality of the reproduction signal, and (iv) a spherical aberration correcting section (142) for correcting a spherical aberration by using a result of evaluation of the quality of the reproduction signal.Type: ApplicationFiled: September 26, 2017Publication date: January 18, 2018Inventors: Hideharu TAJIMA, Masaki YAMAMOTO, Hirohisa YAMADA, Takayuki NAKA, Masahito KONISHI
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Publication number: 20170365289Abstract: In a case where (i) a reflectance calculated from a reflected light amount obtained from a longest pit (P1max) or a longest space (S1max) in a first pit row is defined as a first reflectance and (ii) a reflectance calculated from a reflected light amount obtained from a longest pit (P2max) or a longest space (S2max) in the second pit row is defined as a second reflectance, the first pit row is formed such that the first reflectance becomes substantially identical with the second reflectance.Type: ApplicationFiled: August 16, 2017Publication date: December 21, 2017Inventors: Takayuki NAKA, Hirohisa YAMADA, Masaki YAMAMOTO, Hideharu TAJIMA, Masahito KONISHI
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Patent number: 9805761Abstract: A reproducing device (100) includes (i) an optical pickup (6) for irradiating, with reproduction light, an optical disk (1) which is a super-resolution medium, (ii) an RF signal processing circuit (9) for converting, into a reproduction signal, light which reflected off optical disk (1), (iii) an i-MLSE detecting section (141) for evaluating quality of the reproduction signal, and (iv) a spherical aberration correcting section (142) for correcting a spherical aberration by using a result of evaluation of the quality of the reproduction signal.Type: GrantFiled: March 10, 2017Date of Patent: October 31, 2017Assignees: SHARP KABUSHIKI KAISHA, MEMORY-TECH HOLDINGS INC.Inventors: Hideharu Tajima, Masaki Yamamoto, Hirohisa Yamada, Takayuki Naka, Masahito Konishi
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Patent number: 9767838Abstract: In a case where (i) a reflectance calculated from a reflected light amount obtained from a longest pit (P1max) or a longest space (S1max) in a first pit row is defined as a first reflectance and (ii) a reflectance calculated from a reflected light amount obtained from a longest pit (P2max) or a longest space (S2max) in the second pit row is defined as a second reflectance, the first pit row is formed such that the first reflectance becomes substantially identical with the second reflectance.Type: GrantFiled: April 18, 2017Date of Patent: September 19, 2017Assignees: SHARP KABUSHIKI KAISHA, MEMORY-TECH HOLDINGS INC.Inventors: Takayuki Naka, Hirohisa Yamada, Masaki Yamamoto, Hideharu Tajima, Masahito Konishi
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Publication number: 20170263279Abstract: An optical disk (100) of the present invention includes (i) a medium information region (101) (a) in which type identification information is recorded by recesses and/or protrusions which are formed by a given modulation method and whose lengths are longer than a length of an optical system resolution limit of a playback device and (b) in which first address information is recorded in a first address data format and (ii) a data region (102) (a) in which content data is recorded by recesses and/or protrusions which are formed by the given modulation method and which include a recess and/or a protrusion whose length is shorter than the length of the optical system resolution limit and (b) in which second address information is recorded in a second address data format.Type: ApplicationFiled: May 31, 2017Publication date: September 14, 2017Inventors: Hirohisa YAMADA, Takayuki NAKA, Masaki YAMAMOTO, Yoshihisa ADACHI, Hideharu TAJIMA, Masahito KONISHI
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Publication number: 20170221518Abstract: In a case where (i) a reflectance calculated from a reflected light amount obtained from a longest pit (P1max) or a longest space (S1max) in a first pit row is defined as a first reflectance and (ii) a reflectance calculated from a reflected light amount obtained from a longest pit (P2max) or a longest space (S2max) in the second pit row is defined as a second reflectance, the first pit row is formed such that the first reflectance becomes substantially identical with the second reflectance.Type: ApplicationFiled: April 18, 2017Publication date: August 3, 2017Inventors: Takayuki NAKA, Hirohisa YAMADA, Masaki YAMAMOTO, Hideharu TAJIMA, Masahito KONISHI