Patents by Inventor Akihito Fujiwara
Akihito Fujiwara 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: 7803801Abstract: The present invention relates to an aminopyridine compound represented by the following general formula (I) or a salt thereof and an Syk inhibitor containing the compound or a salt thereof as an active ingredient. Here, X1, X2, X3, Z, Y1, Y2 represent a carbon atom or a nitrogen atom, R, R1, R5, R6 represent a hydrogen atom, an alkyl group, etc., and R7 represents a hydrogen atom, a halogen atom, a nitro group, a cyano group, —CpH2(p-1)(Ra1)(Ra2)—O—Ra3, —C(?O)—Rd1, a 5- or 6-membered saturated heterocyclic group, an aromatic heterocyclic group, —N(Rh1)(Rh2), etc. The aminopyridine compound of the present invention has not only high Syk inhibitory activity but also properties to selectively inhibit Syk.Type: GrantFiled: February 28, 2006Date of Patent: September 28, 2010Assignee: Japan Tobacco, Inc.Inventors: Yoshitoshi Kodama, Satoru Noji, Katsuaki Imamura, Ryo Mizojiri, Kenta Aoki, Hideo Takagi, Yuichi Naka, Goro Ito, Kiyotaka Shinoda, Akihito Fujiwara, Kazunori Kurihara, Masaru Tanaka
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Patent number: 7749056Abstract: To provide a game system in which each of the players in turn controls a common character (operation object) so as to enjoy a continuous electric game; and to provide a game system in which a previous player who has been replaced by another player still has willing to participate in the game. There is provided a game system to which a plurality of players can access via respective operation terminals.Type: GrantFiled: September 27, 2004Date of Patent: July 6, 2010Assignee: Kabushiki Kaisha SegaInventors: Hiroshi Ando, Shiro Takehara, Akihito Fujiwara
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Patent number: 7643654Abstract: An image processing apparatus is disclosed that displays a three-dimensional map including displays of a road and a three-dimensional building on a display unit. The image processing apparatus includes a managing unit that divides bearings into a predetermined number of bearing regions and manages identification information of a distant view pattern assigned to each of the bearing regions for each of a plurality of locations, an acquisition unit that acquires identification information of the distant view pattern assigned to each of the bearing regions for a current location, and a depiction unit that depicts a background image behind a display area for displaying the road and the building based on the acquired identification information of the distant view pattern.Type: GrantFiled: July 17, 2006Date of Patent: January 5, 2010Assignee: Sega CorporationInventors: Akihito Fujiwara, Yasuhiro Hayashida
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Patent number: 7630833Abstract: In a map display device, a viewing angle for a three-dimensional road map can be changed horizontally on a screen so that the three-dimensional road map is generated at a standard viewing angle (45°) up to a wide viewing angle (90°). At this time, the viewing angle is changed based on a reference line passing through a current position of a subject vehicle where the map display device is mounted.Type: GrantFiled: August 22, 2006Date of Patent: December 8, 2009Assignees: DENSO Corporation, Sega CorporationInventors: Motohiro Fukumoto, Akihito Fujiwara, Yasuhiro Hayashida
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Publication number: 20070172147Abstract: An image processing apparatus for displaying a three-dimensional map on a display is disclosed that includes an extracting part for extracting data corresponding to a part of a road covered behind a three-dimensional building by referring to depth information of a target plotting road and a target plotting building, and an overwriting part for overwriting the data corresponding to the covered road part with color data or pattern data that are distinguishable from color data or pattern data of the target plotting road and the target plotting building.Type: ApplicationFiled: July 17, 2006Publication date: July 26, 2007Inventors: Akihito Fujiwara, Yasuhiro Hayashida, Tsutomu Akazawa
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Publication number: 20070067103Abstract: In a map display device, a viewing angle for a three-dimensional road map can be changed horizontally on a screen so that the three-dimensional road map is generated at a standard viewing angle (45°) up to a wide viewing angle (90°). At this time, the viewing angle is changed based on a reference line passing through a current position of a subject vehicle where the map display device is mounted.Type: ApplicationFiled: August 22, 2006Publication date: March 22, 2007Applicants: DENSO CORPORATION, SEGA CORPORATIONInventors: Motohiro Fukumoto, Akihito Fujiwara, Yasuhiro Hayashida
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Publication number: 20070019840Abstract: An image processing apparatus is disclosed that displays a three-dimensional map including displays of a road and a three-dimensional building on a display unit. The image processing apparatus includes a managing unit that divides bearings into a predetermined number of bearing regions and manages identification information of a distant view pattern assigned to each of the bearing regions for each of a plurality of locations, an acquisition unit that acquires identification information of the distant view pattern assigned to each of the bearing regions for a current location, and a depiction unit that depicts a background image behind a display area for displaying the road and the building based on the acquired identification information of the distant view pattern.Type: ApplicationFiled: July 17, 2006Publication date: January 25, 2007Inventors: Akihito Fujiwara, Yasuhiro Hayashida
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Publication number: 20070018974Abstract: An image processing apparatus is disclosed. The image processing apparatus includes a unit that determines whether a distance between a view point and a two-dimensional object belongs to any of first through fourth areas which are classified in the order from a shortest distance to a longest distance, a unit that sets an image drawing size of the object on the display to be a maximum value when the distance is in the first area, a unit that sets the image drawing size of the object on the display to be a value which continuously changes from the maximum value to a minimum value corresponding to the distance when the distance is in the second area, a unit that sets the image drawing size of the object on the display to be a minimum value when the distance is in the third area, a unit that sets not to display the object on the display when the distance is in the fourth area, and a unit that two-dimensionally displays the object whose image drawing size is set on the display.Type: ApplicationFiled: July 18, 2006Publication date: January 25, 2007Inventors: Akihito Fujiwara, Yasuhiro Hayashida, Tsutomu Akazawa, Akira Wada
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Publication number: 20070004482Abstract: [ProblemsTo provide a game system in which each of the players in turn controls a common character (operation object) so as to enjoy a continuous electric game; and to provide a game system in which a previous player who has been replaced by another player still has willing to participate in the game. There is provided a game system to which a plurality of players can access via respective operation terminals.Type: ApplicationFiled: September 27, 2004Publication date: January 4, 2007Inventors: Hiroshi Ando, Shiro Takehara, Akihito Fujiwara
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Publication number: 20060205731Abstract: The present invention relates to an aminopyridine compound represented by the following general formula (I) or a salt thereof and an Syk inhibitor containing the compound or a salt thereof as an active ingredient. Here, X1, X2, X3, Z, Y1, Y2 represent a carbon atom or a nitrogen atom, R, R1, R5, R6 represent a hydrogen atom, an alkyl group, etc., and R7 represents a hydrogen atom, a halogen atom, a nitro group, a cyano group, —CpH2(p-1)(Ra1)(Ra2)—O—Ra3, —C(?O)—Rd1, a 5- or 6-membered saturated heterocyclic group, an aromatic heterocyclic group, —N(Rh1)(Rh2), etc. The aminopyridine compound of the present invention has not only high Syk inhibitory activity but also properties to selectively inhibit Syk.Type: ApplicationFiled: February 28, 2006Publication date: September 14, 2006Applicant: JAPAN TOBACCO INC.Inventors: Yoshitoshi Kodama, Satoru Noji, Katsuaki Imamura, Ryo Mizojiri, Kenta Aoki, Hideo Takagi, Yuichi Naka, Goro Ito, Kiyotaka Shinoda, Akihito Fujiwara, Kazunori Kurihara, Masaru Tanaka
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Publication number: 20060004723Abstract: A method for reading tag data is provided, involving reading a compressed data file that includes compressed data and tag data of a fixed length appended to the compressed data at a predetermined position, and performing a predetermined process based on the type of the compressed data. The reading process of the compressed data file includes first searching for the starting position of the tag data of the compressed data file and retrieving the tag data, followed by searching for the starting position of the compressed data.Type: ApplicationFiled: May 27, 2005Publication date: January 5, 2006Inventors: Akihito Fujiwara, Seiji Nakano, Masakazu Takahashi, Hiroyuki Akama, Kazunori Saitoh, Kazushige Kawana, Akihiro Hashimoto
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Patent number: 6606284Abstract: A gain controlling apparatus includes a pre-amplifier for roughly adjusting a gain of a generation signal, which is generated on the basis of a reception signal from an optical disc; a variable amplifier for finely adjusting the gain on the basis of the roughly adjusted gain by the pre-amplifier; a memory for storing a plurality of values for adjusting the gain generated during a previous occasion of gain adjustment in time series; and a controlling device for controlling the pre-amplifier at a current occasion of gain adjustment on the basis of the respective stored values for adjusting the gain and controlling the variable amplifier, wherein the controlling device comprises a predicting device for predicting a current adjustment value, namely an adjusted value for the gain roughly adjusted at the current occasion by the pre-amplifier, and the controlling device controls the pre-amplifier on the basis of the predicted current adjustment value.Type: GrantFiled: November 19, 1999Date of Patent: August 12, 2003Assignees: Pioneer Corporation, Tohoku Pioneer CorporationInventors: Masato Sakamoto, Katsunori Tamamura, Kazuhiko Oogami, Norikazu Tada, Atsushi Kusaka, Akihito Fujiwara, Mayumi Takahashi
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Patent number: 6510112Abstract: An apparatus for driving an optical pickup for a tracking servo control. The apparatus includes an emitting device disposed in the optical pickup for emitting a main beam to a first position on an information track of a recording medium and emitting at least two subsidiary beams to a second position and a third position on the information track of the recording medium, respectively. The positions of the main beam and the subsidiary beams are determined appropriately for a three beam method.Type: GrantFiled: November 19, 1999Date of Patent: January 21, 2003Assignees: Pioneer Corporation, Tohoku Pioneer CorporationInventors: Masato Sakamoto, Katsunori Tamamura, Kazuhiko Oogami, Norikazu Tada, Atsushi Kusaka, Akihito Fujiwara, Mayumi Takahashi