Patents by Inventor Tatsuya Ohnishi
Tatsuya Ohnishi 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: 20050053093Abstract: A data transmission apparatus for relaying data transmitted from the transmitting end in units of packets, each packet having additional information relating to its sequence number, priority and data reproduction time, comprises: a receiving unit for receiving packets transmitted from the transmitting end; a priority decision unit for deciding the priority of each of the received packets; a retransmission packet storage unit for storing packets the priorities of which are equal to or higher than a predetermined value, as retransmission packets, on the basis of the priority of each packet decided by the priority decision unit; a retransmission instruction receiving unit for receiving a retransmission request from a terminal at the receiving end; a retransmission decision unit for deciding whether retransmission of the packet for which the retransmission request has been made should be performed or not, on the basis of the retransmission request and the storage status of the retransmission packets in the retranType: ApplicationFiled: September 22, 2004Publication date: March 10, 2005Inventors: Hideaki Fukushima, Seiji Horii, Tatsuya Ohnishi, Makoto Hagai, Yoshinori Matsui, Akihiro Miyazaki
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Publication number: 20040102932Abstract: A data transmission apparatus for relaying data transmitted from the transmitting end in units of packets, each packet having additional information relating to its sequence number, priority and data reproduction time, comprises: a receiving unit for receiving packets transmitted from the transmitting end; a priority decision unit for deciding the priority of each of the received packets; a retransmission packet storage unit for storing packets the priorities of which are equal to or higher than a predetermined value, as retransmission packets, on the basis of the priority of each packet decided by the priority decision unit; a retransmission instruction receiving unit for receiving a retransmission request from a terminal at the receiving end; a retransmission decision unit for deciding whether retransmission of the packet for which the retransmission request has been made should be performed or not, on the basis of the retransmission request and the storage status of the retransmission packets in the retranType: ApplicationFiled: June 24, 2003Publication date: May 27, 2004Inventors: Hideaki Fukushima, Seiji Horii, Tatsuya Ohnishi, Makoto Hagai, Yoshinori Matsui, Akihiro Miyazaki
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Patent number: 6732313Abstract: A data transmission apparatus including a receiving unit for receiving transmitted packets; a priority decision unit; a retransmission packet storage unit; a retransmission instruction receiving unit for receiving a retransmission request from a terminal at the receiving end; a retransmission decision unit; a transmission queue management unit; and a transmission unit.Type: GrantFiled: June 9, 2003Date of Patent: May 4, 2004Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Hideaki Fukushima, Seiji Horii, Tatsuya Ohnishi, Makoto Hagai, Yoshinori Matsui, Akihiro Miyazaki
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Patent number: 6684354Abstract: A data transmission apparatus including a receiving unit for receiving transmitted packets; a priority decision unit; a retransmission packet storage unit; a retransmission instruction receiving unit for receiving a retransmission request from a terminal at the receiving end; a retransmission decision unit; a transmission queue management unit; and a transmission unit.Type: GrantFiled: August 26, 2002Date of Patent: January 27, 2004Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Hideaki Fukushima, Seiji Horii, Tatsuya Ohnishi, Makoto Hagai, Yoshinori Matsui, Akihiro Miyazaki
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Publication number: 20030226094Abstract: A data transmission apparatus for relaying data transmitted from the transmitting end in units of packets, each packet having additional information relating to its sequence number, priority, and data reproduction time, comprises: a receiving unit for receiving packets transmitted from the transmitting end; a priority decision unit for deciding the priority of each of the received packets; a retransmission packet storage unit for storing packets the priorities of which are equal to or higher than a predetermined value, as retransmission packets, on the basis of the priority of each packet decided by the priority decision unit; a retransmission instruction receiving unit for receiving a retransmission request from a terminal at the receiving end; a retransmission decision unit for deciding whether retransmission of the packet for which the retransmission request has been made should be performed or not, on the basis of the retransmission request and the storage status of the retransmission packets in the retraType: ApplicationFiled: June 9, 2003Publication date: December 4, 2003Inventors: Hideaki Fukushima, Seiji Horii, Tatsuya Ohnishi, Makoto Hagai, Yoshinori Matsui, Akihiro Miyazaki
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Patent number: 6587985Abstract: A data transmission apparatus including a receiving unit for receiving transmitted packets; a priority decision unit; a retransmission packet storage unit; a retransmission instruction receiving unit for receiving a retransmission request from a terminal at the receiving end; a retransmission decision unit; a transmission queue management unit; and a transmission unit.Type: GrantFiled: November 30, 1999Date of Patent: July 1, 2003Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Hideaki Fukushima, Seiji Horii, Tatsuya Ohnishi, Makoto Hagai, Yoshinori Matsui, Akihiro Miyazaki
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Publication number: 20030007481Abstract: Disclosed is a migration communication control device constructed to control a continuous communication between a mobile node and a node unaffected the mobile node's migration. The migration communication control device comprises a first migration control unit, a second migration control unit on the mobile node, and a third migration control unit on the partner node. The first migration control unit comprises a packet transfer unit and an address post unit. The packet transfer unit receives a packet which was destined for an outdated address of the mobile node, generates a conversion packet which holds an updated address instead of the outdated address, and then transmits the conversion packet, while an address post unit transmits an address post message which indicates the updated address to the third migration control unit. The second migration control unit comprises a migration post unit and a packet resumption unit.Type: ApplicationFiled: June 28, 2002Publication date: January 9, 2003Inventors: Hiromi Wada, Takashi Yozawa, Tatsuya Ohnishi
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Publication number: 20030009717Abstract: A data transmission apparatus for relaying data transmitted from the transmitting end in units of packets, each packet having additional information relating to its sequence number, priority, and data reproduction time, comprises: a receiving unit for receiving packets transmitted from the transmitting end; a priority decision unit for deciding the priority of each of the received packets; a retransmission packet storage unit for storing packets the priorities of which are equal to or higher than a predetermined value, as retransmission packets, on the basis of the priority of each packet decided by the priority decision unit; a retransmission instruction receiving unit for receiving a retransmission request from a terminal at the receiving end; a retransmission decision unit for deciding whether retransmission of the packet for which the retransmission request has been made should be performed or not, on the basis of the retransmission request and the storage status of the retransmission packets in the retraType: ApplicationFiled: August 26, 2002Publication date: January 9, 2003Inventors: Hideaki Fukushima, Seiji Horii, Tatsuya Ohnishi, Makoto Hagai, Yoshinori Matsui, Akihiro Miyazaki
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Publication number: 20020191586Abstract: Disclosed is a migration communication control device constructed to control a continuous communication between a mobile node and a node unaffected the mobile node's migration. The migration communication control device comprises a first migration control unit, a second migration control unit on the mobile node, and a third migration control unit on the partner node. The first migration control unit comprises a packet transfer unit and an address post unit. The packet transfer unit receives a packet which was destined for an outdated address of the mobile node, generates a conversion packet which holds an updated address instead of the outdated address, and then transmits the conversion packet, while an address post unit transmits an address post message which indicates the updated address to the third migration control unit. The second migration control unit comprises a migration post unit and a packet resumption unit.Type: ApplicationFiled: July 12, 2002Publication date: December 19, 2002Inventors: Hiromi Wada, Takashi Yozawa, Tatsuya Ohnishi
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Publication number: 20020181420Abstract: Disclosed is a migration communication control device constructed to control a continuous communication between a mobile node and a node unaffected the mobile node's migration. The migration communication control device comprises a first migration control unit, a second migration control unit on the mobile node, and a third migration control unit on the partner node. The first migration control unit comprises a packet transfer unit and an address post unit. The packet transfer unit receives a packet which was destined for an outdated address of the mobile node, generates a conversion packet which holds an updated address instead of the outdated address, and then transmits the conversion packet, while an address post unit transmits an address post message which indicates the updated address to the third migration control unit. The second migration control unit comprises a migration post unit and a packet resumption unit.Type: ApplicationFiled: July 12, 2002Publication date: December 5, 2002Inventors: Hiromi Wada, Takashi Yozawa, Takashi Yozawa, Tatsuya Ohnishi
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Publication number: 20020167927Abstract: Disclosed is a migration communication control device constructed to control a continuous communication between a mobile node and a node unaffected the mobile node's migration. The migration communication control device comprises a first migration control unit, a second migration control unit on the mobile node, and a third migration control unit on the partner node. The first migration control unit comprises a packet transfer unit and an address post unit. The packet transfer unit receives a packet which was destined for an outdated address of the mobile node, generates a conversion packet which holds an updated address instead of the outdated address, and then transmits the conversion packet, while an address post unit transmits an address post message which indicates the updated address to the third migration control unit. The second migration control unit comprises a migration post unit and a packet resumption unit.Type: ApplicationFiled: June 25, 2002Publication date: November 14, 2002Inventors: Hiromi Wada, Takashi Yozawa, Tatsuya Ohnishi
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Publication number: 20020159455Abstract: Disclosed is a migration communication control device constructed to control a continuous communication between a mobile node and a node unaffected the mobile node's migration. The migration communication control device comprises a first migration control unit, a second migration control unit on the mobile node, and a third migration control unit on the partner node. The first migration control unit comprises a packet transfer unit and an address post unit. The packet transfer unit receives a packet which was destined for an outdated address of the mobile node, generates a conversion packet which holds an updated address instead of the outdated address, and then transmits the conversion packet, while an address post unit transmits an address post message which indicates the updated address to the third migration control unit. The second migration control unit comprises a migration post unit and a packet resumption unit.Type: ApplicationFiled: June 25, 2002Publication date: October 31, 2002Inventors: Hiromi Wada, Takashi Yozawa, Tatsuya Ohnishi
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Patent number: 6456621Abstract: Disclosed is a migration communication control device constructed to control a continuous communication between a mobile node and a node unaffected the mobile node's migration. The migration communication control device comprises a first migration control unit, a second migration control unit on the mobile node, and a third migration control unit on the partner node. The first migration control unit comprises a packet transfer unit and an address post unit. The packet transfer unit receives a packet which was destined for an outdated address of the mobile node, generates a conversion packet which holds an updated address instead of the outdated address, and then transmits the conversion packet, while an address post unit transmits an address post message which indicates the updated address to the third migration control unit. The second migration control unit comprises a migration post unit and a packet resumption unit.Type: GrantFiled: August 19, 1998Date of Patent: September 24, 2002Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Hiromi Wada, Takashi Yozawa, Tatsuya Ohnishi
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Patent number: 5845079Abstract: Disclosed is a migration communication control device constructed to control a continuous communication between a mobile node and a node unaffected the mobile node's migration. The migration communication control device comprises a first migration control unit, a second migration control unit on the mobile node, and a third migration control unit on the partner node. The first migration control unit comprises a packet transfer unit and an address post unit. The packet transfer unit receives a packet which was destined for an outdated address of the mobile node, generates a conversion packet which holds an updated address instead of the outdated address, and then transmits the conversion packet, while an address post unit transmits an address post message which indicates the updated address to the third migration control unit. The second migration control unit comprises a migration post unit and a packet resumption unit.Type: GrantFiled: April 19, 1996Date of Patent: December 1, 1998Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Hiromi Wada, Takashi Yozawa, Tatsuya Ohnishi
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Patent number: 5655152Abstract: The present invention provides a server capable of providing a system in which a client can be reconnected to one server to another to use any output unit in the system without any prior knowledge thereof. The server can select an output unit to which the job request should be sent by referring to correspondence information held therein when the server receives a job request that specifies neither a type of an output unit nor a data format. Also, the server can select an available output unit for data-output in an adequate data format when it receives output data alone, Further, the server can assign a certain output unit to job requests of the same kind sent from the same client, manage the accesses to the output units, distribute output loading according to an output queue to the server, and select the most appropriate server as per condition set by a user.Type: GrantFiled: December 9, 1993Date of Patent: August 5, 1997Assignee: Matsushita Electric Industrial Co.Inventors: Tatsuya Ohnishi, Hiromi Wada, Chinatsu Oinuma
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Patent number: 5517618Abstract: Disclosed is a migration communication control device constructed to control a continuous communication between a mobile node and a node unaffected the mobile node's migration. The migration communication control device comprises a first migration control unit, a second migration control unit on the mobile node, and a third migration control unit on the partner node. The first migration control unit comprises a packet transfer unit and an address post unit. The packet transfer unit receives a packet which was destined for an outdated address of the mobile node, generates a conversion packet which holds an updated address instead of the outdated address, and then transmits the conversion packet, while an address post unit transmits an address post message which indicates the updated address to the third migration control unit. The second migration control unit comprises a migration post unit and a packet resumption unit.Type: GrantFiled: February 8, 1993Date of Patent: May 14, 1996Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Hiromi Wada, Takashi Yozawa, Tatsuya Ohnishi