1
Ginya Ishiguro, Toshiyasu Muta, Kazutaka Sakita, Shoji Miyaguchi, Tatsuaki Okamoto, Atsushi Fujioka: Method and apparatus for settlement of accounts by IC cards. Nippon Telegraph and Telephone Corporation, Pollock Vande Sande and Priddy, March 7, 1995: US05396558 (135 worldwide citation)

An IC card has a card information memory area wherein there are written a master public key nA, card secret keys pU and qU, a card public key nU, a card identification number IDU, and a first master digital signature SA1 for information including the card identification number. An IC card terminal h ...


2
Tatsuaki Okamoto, Shoji Miyaguchi, Akira Shiraishi, Tsukasa Kawaoka: Signed document transmission system. Nippon Telegraph & Telephone Public Corporation, Pollock Vande Sande and Priddy, November 25, 1986: US04625076 (105 worldwide citation)

On the transmitting side, a signature corresponding to a document to be transmitted is generated using a random number and the document as variables and on the basis of a congruent polynomial of second or higher degree with respect to the random number, secret key information and public key informat ...


3
Ginya Ishiguro, Toshiyasu Muta, Kazutaka Sakita, Shoji Miyaguchi, Tatsuaki Okamoto, Atsushi Fujioka: Method and apparatus for settlement of accounts by IC cards. Nippon Telegraph and Telephone Corporation, Pollock Vande Sande & Priddy, March 26, 1996: US05502765 (51 worldwide citation)

An IC card has a card information memory area wherein there are written a master public key nA, card secret keys pU and qU, a card public key nU, a card identification number IDU, and a first master digital signature SA1 for information including the card identification number. An IC card terminal h ...


4
Hisao Furukawa, Shoji Miyaguchi: Integrated information communication system. The Distribution Systems Research Institute, Miyaguchi Research, Wenderoth Lind & Ponack L, September 9, 2003: US06618366 (45 worldwide citation)

To provide an integrated information communication system without using dedicated lines or the Internet, ensuring communication speed, communication quality, communication trouble countermeasures in a unified manner, wherein security and reliability in communication is ensured. The system is compris ...


5
Shoji Miyaguchi: Cryptosystem. Nippon Telegraph & Telephone Public Corporation, Pollock Vande Sande and Priddy, April 30, 1985: US04514592 (39 worldwide citation)

A cryptosystem for the RSA cryptography which calculates C.ident.M.sup.e mod n and, for this calculation, performs an operation C=M.sub.1 .times.M.sub.2 mod n. An operation ##EQU1## is performed in the order j=l, l-1, . . . 1 to obtain last R.sub.1 as the result of the calculation M.sub.1 .times.M.s ...


6
Hisao Furukawa, Shoji Miyaguchi: Integrated information communication system using internet protocol. Miyaguchi Research, The Distribution Systems Research Institute, Wenderoth Lind & Ponack L, November 7, 2000: US06145011 (34 worldwide citation)

The intergrated information communication system is comprised of an access control apparatus for connecting a plurality of computer communication networks or information communication equipment to each, and a relay device for networking the aforementioned access control apparatus. The system has fun ...


7
Ginya Ishiguro, Toshiyasu Muta, Kazutaka Sakita, Shoji Miyaguchi, Tatsuaki Okamoto, Atsushi Fujioka: Method and apparatus for settlement of accounts by IC cards. Nippon Telegraph and Telephone Corporation, Pollock VandeSande and Priddy, August 29, 1995: US05446796 (30 worldwide citation)

An IC card has a card information memory area wherein there are written a master public key nA, card secret keys pU and qU, a card public key nU, a card identification number IDU, and a first master digital signature SA1 for information including the card identification number. An IC card terminal h ...


8
Akihiro Shimizu, Shoji Miyaguchi: Data randomization equipment. Nippon Telegraph and Telephone Corporation, Pollock Vande Sande and Priddy, July 18, 1989: US04850019 (26 worldwide citation)

Input data is split by a splitting part into a plurality of block data having an equal data length to be processed through respective channels. Each channel data is subjected in a function operation part to a function operation in direct or indirect relation to all the other channel data to produce ...


9
Hisao Furukawa, Shoji Miyaguchi: Integrated IP network. The Distribution Systems Research Institute, Miyaguchi Research, Ladas & Parry, March 23, 2004: US06711623 (19 worldwide citation)

To provide an integrated IP network containing therein a plurality of separated IP networks with a variety of characteristics, such as IP telephone network, IP video network, IP electronic text network, best effort network, IP data multicast network and IP-based TV broadcast network. In the integrat ...


10
Hisao Furukawa, Shoji Miyaguchi: Integrated information communication system. The Distribution Systems Research Institute, Miyaguchi Research, Wenderoth Lind & Ponack L, September 4, 2007: US07266114 (13 worldwide citation)

To provide an integrated information communication system without using dedicated lines or the Internet, ensuring communication speed, communication quality, communication trouble countermeasures in a unified manner, wherein security and reliability in communication is ensured. The system is compris ...