Patents by Inventor Seiichi Nakamura
Seiichi Nakamura 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: 7485874Abstract: This apparatus for manufacturing semiconductor substrates has support disks and holding units holding semiconductor substrates on the support disks. The holding unit has a stopper which is formed of a conductive material and holds the brim of the semiconductor substrate, a stopper holder which supports the stopper at the outer circumferential portion thereof, a retaining member which retains the stopper to the support disk, and a heating unit which heats the stopper.Type: GrantFiled: August 24, 2006Date of Patent: February 3, 2009Assignee: Sumco CorporationInventors: Seiichi Nakamura, Hideki Nishihata, Riyuusuke Kasamatsu, Kazunori Tsubuku, Akira Bando, Nobuo Tsumaki, Tomoji Watanabe, Kazuo Mera, Tsuneo Hayashi, Yoichi Kurosawa
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Publication number: 20080298219Abstract: An information storage medium according to one embodiment of the present invention comprises a management area in which management information to manage content is recorded and a content area in which content managed on the basis of the management information is recorded. The content area includes an object area in which a plurality of objects are recorded, and a time map area in which a time map for reproducing these objects in a specified period on a timeline is recorded. The management area includes a play list area in which a play list for controlling the reproduction of a menu and a title each composed of the objects on the basis of the time map is recorded.Type: ApplicationFiled: November 15, 2006Publication date: December 4, 2008Inventors: Yoichiro Yamagata, Kazuhiko Taira, Hideki Mimura, Yasuhiro Ishibashi, Takero Kobayashi, Seiichi Nakamura, Eita Shuto, Yasufumi Tsumagari, Toshimitsu Kaneko, Tooru Kamibayashi, Haruhiko Toyama
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Publication number: 20080226077Abstract: A content playback apparatus includes an SKF selecting unit that selects one segment key file from plural segment key files recorded in a DVD media at a time of playback of a content of the sequence key section, a data selecting unit that selects each content corresponding to a segment number of each key entry registered in the selected segment key file, a moving picture data decrypting unit that decrypts the selected moving picture data by a segment key corresponding to the segment number, and a decoder that plays back the decrypted moving picture data.Type: ApplicationFiled: April 26, 2006Publication date: September 18, 2008Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Tooru Kamibayashi, Taku Kato, Hiroshi Isozaki, Tatsuyuki Matsushita, Atsushi Ishihara, Yutaka Kashihara, Yuji Nagai, Kosuke Haruki, Yoshikata Tobita, Seiichi Nakamura, Masahiko Mawatari
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Publication number: 20080213989Abstract: A silicon wafer includes a principal face for forming electronic devices; an end region; and a tapered region which is located between the principal face and the end region, in which the thickness of the silicon wafer is gradually reduced, and which has a slope that makes an angle of greater than zero degree and less than 9.5 degrees or an angle of greater than 19 degrees with the principal face. An SOI wafer prepared by forming a buried oxide layer in a silicon wafer includes a principal face, end region, and tapered region that are substantially the same as those described above. A method for manufacturing an SOI wafer includes the steps of implanting oxygen ions into a silicon wafer; and heat-treating the resulting silicon wafer such that a buried oxide layer is formed in the silicon wafer.Type: ApplicationFiled: May 12, 2008Publication date: September 4, 2008Inventors: Eiji Kamiyama, Seiichi Nakamura, Tetsuya Nakai
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Patent number: 7410877Abstract: A method for manufacturing a SIMOX wafer includes: heating a silicon wafer, implanting oxygen ions so as to form a high oxygen concentration layer; implanting oxygen ions into the silicon wafer obtained by the forming of the high oxygen concentration layer to form an amorphous layer; and heat-treating the silicon wafer to form a buried oxide layer, wherein in the forming of the amorphous layer, the implantation of oxygen ions is carried out after preheating the silicon wafer to a temperature lower than the heating temperature of the forming of the high oxygen concentration layer. Alternatively, the method for manufacturing a SIMOX wafer includes: in the formation of the high oxygen concentration layer, implanting oxygen ions while heating a silicon wafer at a temperature of 300° C. or more; and in the formation of the amorphous layer, implanting oxygen ions after preheating the silicon wafer to a temperature of less than 300° C.Type: GrantFiled: June 20, 2006Date of Patent: August 12, 2008Assignee: Sumco CorporationInventors: Yoshiro Aoki, Riyuusuke Kasamatsu, Hideki Nishihata, Seiichi Nakamura
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Publication number: 20070178680Abstract: A SIMOX wafer having a BOX layer with a thin film thickness is obtained without a reduction in productivity or deterioration in quality. In a method for manufacturing a SIMOX wafer comprising: a step of forming a first ion-implanted layer in a silicon wafer; a step of forming a second ion-implanted layer that is in an amorphous state; and a high-temperature heat treatment step of maintaining the wafer in an oxygen contained atmosphere at a temperature that is not lower than 1300° C. but less than a silicon melting point for 6 to 36 hours to change the first and the second ion-implanted layers into a BOX layer, a gas containing chlorine that is not less than 0.1 volume % but less than 1.0 volume % is mixed into an atmosphere during temperature elevation in the high-temperature heat treatment.Type: ApplicationFiled: February 2, 2007Publication date: August 2, 2007Inventors: Yoshiro Aoki, Yukio Komatsu, Tetsuya Nakai, Seiichi Nakamura
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Publication number: 20070114458Abstract: This apparatus for manufacturing semiconductor substrates has support disks and holding units holding semiconductor substrates on the support disks. The holding unit has a stopper which is formed of a conductive material and holds the brim of the semiconductor substrate, a stopper holder which supports the stopper at the outer circumferential portion thereof, a retaining member which retains the stopper to the support disk, and a heating unit which heats the stopper.Type: ApplicationFiled: August 24, 2006Publication date: May 24, 2007Inventors: Seiichi Nakamura, Hideki Nishihata, Riyunsuke Kasamatsu, Kazunori Tsubuku, Akira Bando, Nobuo Tsumaki, Tomoji Watanabe, Kazuo Mera, Tsuneo Hayashi, Yoichi Kurosawa
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Publication number: 20070053662Abstract: According to one embodiment, a playback apparatus includes a unit which determines whether a value of a pointer included in each of video object units read out of a storage media is larger than the total number of hash values in a content hash table stored in the storage media, a unit which computes a hash value of a video object unit selected at a given probability from among the video object units read out of the storage media and determines whether the computed hash value coincides with a hash value stored in a hash entry indicated by a pointer included in the selected video object unit, and a unit which stops playing back digital content when the value of the pointer is larger than the total number of hash values or when the computed hash value does not coincide with the hash value stored in the hash entry.Type: ApplicationFiled: August 31, 2006Publication date: March 8, 2007Inventors: Yoshikata Tobita, Toru Kambayashi, Yuji Nagai, Seiichi Nakamura, Yoshikazu Shiomi, Takero Kobayashi, Kosuke Haruki
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Publication number: 20070031122Abstract: In content recorded in a playback only information storage medium, a video object for playing back a video in a method different from the conventional playback sequence and its playback order are controlled. To achieve the control, the data area stores a primary object set which is a group of at least one primary object for managing a relationship between a playback time and a recording position in accordance with at least one time map, and includes a main picture stream, and a secondary object in which a relationship between the playback time and the recording position is managed in accordance with an individual time map, and includes another picture stream to be played back simultaneously with the main picture stream.Type: ApplicationFiled: September 27, 2006Publication date: February 8, 2007Inventors: Yoichiro Yamagata, Hideki Mimura, Yasufumi Tsumagari, Takero Kobayashi, Seiichi Nakamura, Kazuhiko Taira
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Publication number: 20070025698Abstract: According to one embodiment, there is provided an information playback apparatus capable of playing back video data as a stream and playing back an application relating to the video data during playback of the video data. The apparatus includes a buffer portion configured to operate to, after completion of fetching of first video data and before entirely outputting the first video data, start and complete fetching of an application relating to second video data which is to be played back after the first video data.Type: ApplicationFiled: July 28, 2006Publication date: February 1, 2007Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Seiichi Nakamura, Hideki Mimura, Takero Kobayashi, Yasufumi Tsumagari, Yoichiro Yamagata, Kazuhiko Taira
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Publication number: 20070020949Abstract: One embodiment of this method for manufacturing a SIMOX wafer includes: while heating a silicon wafer, implanting oxygen ions so as to form a high oxygen concentration layer; implanting oxygen ions into the silicon wafer obtained by the forming of the high oxygen concentration layer so as to form an amorphous layer; and heat-treating the silicon wafer obtained by the forming of the amorphous layer so as to form a buried oxide layer, wherein in the forming of the amorphous layer, the implantation of oxygen ions is carried out after preheating the silicon wafer to a temperature lower than the heating temperature of the forming of the high oxygen concentration layer. Another embodiment of this method for manufacturing a SIMOX wafer includes: in the above forming of the high oxygen concentration layer, implanting oxygen ions while heating a silicon wafer at a temperature of 300° C.Type: ApplicationFiled: June 20, 2006Publication date: January 25, 2007Inventors: Yoshiro Aoki, Riyuusuke Kasamatsu, Hideki Nishihata, Seiichi Nakamura
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Publication number: 20060281233Abstract: This method for manufacturing a SIMOX wafer includes: heating a silicon wafer to 300° C. or more and implanting oxygen ions so as to form a high oxygen concentration layer within the silicon wafer; subjecting the silicon wafer to a cooling to less than 300° C. and an implanting of oxygen ions so as to form an amorphous layer; and subjecting the silicon wafer to a heat-treating in a mixed gas atmosphere containing oxygen so as to form a buried oxide layer. In the forming of the buried oxide layer, a starting temperature is less than 1350° C. and a maximum temperature is 1350° C. or more. This SIMOX wafer is manufactured by the above method and includes a BOX layer and a SOI layer on the BOX layer. The BOX layer has a thickness of 1300 ? or more and a breakdown voltage of 7 MV/cm or more, and the surface of the SOI layer and the interface between the SOI layer and the BOX layer have a roughness over a 10-?m square area of 4 ? rms or less.Type: ApplicationFiled: June 8, 2006Publication date: December 14, 2006Inventors: Yoshiro Aoki, Yukio Komatsu, Tetsuya Nakai, Seiichi Nakamura
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Publication number: 20060257106Abstract: Systems and methods for selecting information associated with a removable storage medium are disclosed. A multimedia presentation, such as a movie, is stored on the removable storage medium. A provider key is used to identify a particular content provider, such as a film studio, with the removable storage medium. Other media content associated with the same content provider is activated at least partially in response to a determination that the removable storage medium of the content provider has been inserted into an information storage medium, such as a computer or a DVD player.Type: ApplicationFiled: April 12, 2006Publication date: November 16, 2006Inventors: Yoichiro Yamagata, Toshinari Takahashi, Tooru Kamibayashi, Toshimitsu Kaneko, Haruhiko Toyama, Hideki Mimura, Yasufumi Tsumagari, Yasuhiro Ishibashi, Takero Kobayashi, Seiichi Nakamura, Eita Shuto, Kazuhiko Taira, Hideaki Sato, Shunichi Kawabata
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Publication number: 20060257104Abstract: According to one embodiment, the contents of a DVD video disc can be reproduced by use of reproduction control information realized by a Markup language. It is possible to hold a resource whose life period has elapsed in a cache memory and use the resource again. Therefore, a data access manager, a file cache which temporarily stores a plurality of resources and a navigation manager (including a filecache manager) which processes management information used to manage a plurality of files held in the file cache and controls the data access manager are provided. The filecache manager registers a loaded resource into a first list if the resource lies within the life period and registers the resource into a second list and manages the same if the life period of the resource has expired.Type: ApplicationFiled: March 14, 2006Publication date: November 16, 2006Inventors: Yoichiro Yamagata, Kazuhiko Taira, Hideki Mimura, Yasuhiro Ishibashi, Takero Kobayashi, Seiichi Nakamura, Eita Shuto, Yasufumi Tsumagari, Toshimitsu Kaneko, Tooru Kamibayashi, Haruhiko Toyama, Shunichi Kawabata
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Publication number: 20060242263Abstract: A content reproduction apparatus including reproduction unit configured to reproduce content data item stored in recording medium storing first server identifier and content data item including destination identifier, reads first server identifier from recording medium, to store first server identifier in table, certifies first server corresponding to first sever identifier, receives first server policy from first server being certified, first server policy including second server identifier redirecting to second server, to store second server identifier in table, certifies second server, acquires destination identifier while reproduction unit reproduces content data item, determines whether destination identifier being acquired is equal to first identifier stored in table, and accesses to second server, when at least destination identifier is equal to first identifier and second server is certified.Type: ApplicationFiled: June 20, 2006Publication date: October 26, 2006Applicant: Kabushiki Kaisha ToshibaInventors: Hideaki Sato, Toshinari Takahashi, Tooru Kamibayashi, Toshimitsu Kaneko, Haruhiko Toyama, Hideki Mimura, Yasufumi Tsumagari, Yasuhiro Ishibashi, Takero Kobayashi, Seiichi Nakamura, Eita Shuto, Kazuhiko Taira, Yoichiro Yamagata
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Publication number: 20060218189Abstract: According to an aspect of the present invention, there is provided with a contents player including: a reading unit which accesses data carrier and reads out contents including multimedia data and a script from the data carrier; a playing unit which plays the multimedia data included in the contents; an interpreting unit which interprets the script included in the contents; an access unit which accesses an internal or external storing device; an acquiring unit which acquires an access ID of the contents from the read contents or the data carrier when the script includes an access instruction description which instructs access to a specific storing region in the storing device: and a determining unit which determines whether the access to the specific storing region is permitted or not, on the basis of the acquired access ID.Type: ApplicationFiled: February 16, 2006Publication date: September 28, 2006Applicant: Kabushiki Kaisha ToshibaInventors: Yoshiki Terashima, Keiichi Teramoto, Tooru Kamibayashi, Seiichi Nakamura, Eita Shuto
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Publication number: 20060188229Abstract: According to one embodiment, to implement video objects to be played back by a method different from an existing playback sequence, playlist information which is played back first is recorded when the medium stores an advanced content. The playlist information may be configured to include object mapping information which is included in each title and is mapped on the title timeline, playback information for each title described based on the timeline, and so on. The object mapping information may describe timings on the timeline to be loaded into a playback system for each predetermined information unit such as an application or object.Type: ApplicationFiled: February 22, 2006Publication date: August 24, 2006Inventors: Yoichiro Yamagata, Kazuhiko Taira, Hideki Mimura, Yasuhiro Ishibashi, Takero Kobayashi, Seiichi Nakamura, Eita Shuto, Yasufumi Tsumagari, Toshimitsu Kaneko, Tooru Kamibayashi, Haruhiko Toyama
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Publication number: 20060182418Abstract: According to one embodiment, video objects to be played back by a method different from an existing playback sequence with respect to contents recorded on a read-only information storage medium are implemented. The medium is configured to store startup information including one or more pieces of playlist information to be played back first when the medium stores an advanced content, and information used to determine which one of the pieces of playlist information is to be adopted.Type: ApplicationFiled: February 1, 2006Publication date: August 17, 2006Inventors: Yoichiro Yamagata, Kazuhiko Taira, Hideki Mimura, Yasufumi Tsumagari, Yasuhiro Ishibashi, Takero Kobayashi, Toshimitsu Kaneko, Toru Kanbayashi, Haruhiko Toyama, Seiichi Nakamura, Eita Shuto
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Publication number: 20060034308Abstract: According to one embodiment of the invention, an electronic device comprises a communication unit, an interface, and a control unit coupled together. The communication unit to receive one of a first data in a first external data source and a second data in a second external data source through a communication path. The interface to receive a request to connect to the second external data source. In response to the communication unit receiving the first data through the communication path and the interface receiving the request to connect to the second external data source, the control unit to prepare a communication-ready path that is ready to communicate with the second external data source while the communication path is maintained, and to terminate the communication path after completing preparation of the communication-ready path and change the communication-ready path into a communication path to receive the second data.Type: ApplicationFiled: March 16, 2005Publication date: February 16, 2006Inventors: Kenryo Kanaya, Seiichi Nakamura
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Patent number: 6989880Abstract: A liquid crystal display device including a liquid crystal layer, an alignment layer orientating the liquid crystal layer, and a driving circuit that drives the liquid crystal layer. The alignment layer is divided into a plurality of specified regions, each having a recognizable size. The orientation direction of adjacent regions is different from one another. This makes it difficult to resolve a displayed image from directions other than that from the front of the display, and instead a fixed pattern is seen when the display is viewed from directions other than that from the front. This fixed pattern can be chosen as desired and can be, e.g., a figure or a trade name of a product.Type: GrantFiled: July 15, 2002Date of Patent: January 24, 2006Assignee: Kabushiki Kaisha ToshibaInventors: Kohki Takato, Seiichi Nakamura