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Umezawa Katsuyuki

Hitachi

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Publication

Featured researches published by Umezawa Katsuyuki.

Archive | 1998

CLIENT/SERVER SYSTEM, SERVER AND CLIENT TERMINALS

Suzaki Seiichi; Umeki Hisashi; Umezawa Katsuyuki; Miyazaki Seiji; Matsunaga Kazuo; Kitagawa Makoto

Archive | 1998

Electronic coupon system and method for issuing and verifying electronic coupon

Umezawa Katsuyuki; Suzaki Seiichi; Yoshiura Yutaka; Toyoshima Hisashi; Saito Tsukasa

Archive | 1999

SYSTEM AND METHOD FOR DISTRIBUTED OBJECT

Suzaki Seiichi; Umezawa Katsuyuki; Kaji Tadashi; Tezuka Satoru; Sasaki Ryoichi; Tabata Kuniaki; Akaosugi Takashi; Kito Akira

Archive | 2002

SECURE WORK FLOW SYSTEM AND ITS METHOD

Umezawa Katsuyuki; Kaji Tadashi

Archive | 2008

IC CARD SYSTEM, AND METHOD FOR THE SAME

Umezawa Katsuyuki; Uchiyama Hiroki; Kobayashi Masaru; Matsumoto Kenji; Shimizu Yoji

Archive | 2007

SECURE TERMINAL SYSTEM USING IC CARD AND METHOD THEREOF

Uchiyama Hiroki; Umezawa Katsuyuki; Suzaki Seiichi

Archive | 2007

IC CARD COMMAND TRANSFER METHOD, IC CARD INFORMATION SERVICE SYSTEM AND TERMINAL EQUIPMENT

Umezawa Katsuyuki; Suzaki Seiichi; Uchiyama Hiroki; Matsumoto Kenji

Archive | 2006

SYSTEM AND METHOD FOR TRANSFERRING DATA OF IC CARD

Uchiyama Hiroki; Umezawa Katsuyuki; Suzaki Seiichi

Archive | 2005

CERTIFICATE MANAGEMENT SYSTEM AND METHOD THEREOF

Umezawa Katsuyuki; Uchiyama Hiroki; Suzaki Seiichi; Kodama Toshiomi

Archive | 2010

DATA MANAGEMENT SYSTEM AND ITS METHOD

Naganuma Takeshi; Umezawa Katsuyuki; Arai Masato; Matsumoto Kenji; Yamaguchi Yoshiaki; Terada Katsuya

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Collaboration

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Kaji Tadashi

Hitachi

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Tezuka Satoru

Hitachi

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Akaosugi Takashi

Hitachi

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Kito Akira

Hitachi

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Sasaki Ryoichi

Hitachi

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Susaki Seiichi

Hitachi

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Tabata Kuniaki

Hitachi

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Toyoshima Hisashi

Hitachi

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Aoshima Hirokazu

Hitachi

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Matsushima Hitoshi

Hitachi

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