1
Satoshi Kataoka, Makoto Yoshioka, Kenichi Utsumi, Keiichi Murakami: Security system for protecting information stored in portable storage media. Fujitsu, Staas & Halsey, January 5, 1999: US05857021 (126 worldwide citation)

A security system for protecting information stored in portable storage media by checking identifiers assigned to each medium, system, and terminal. Medium IDs are identifiers written by manufacturers of the storage media. System IDs, or corporate IDs, are assigned to enterprise-wide computer system ...


2
Seigo Kotani, Keiichi Murakami, Shinichi Yoshimoto, Kouichi Kanamoto, Tatsuro Masuda, Makoto Yoshioka, Masao Fujiwara: Apparatus and method for controlling storage medium using security capabilities. Fujitsu, Staas & Halsey, September 8, 1998: US05805800 (40 worldwide citation)

The CPU in the processing unit of an external storage device transmits data between an information processing device and a storage medium, determines whether or not the information processing device can access the storage medium of the external storage device, decrypts data encrypted in the storage ...


3
Mineo Moribe, Kenichi Utsumi, Zenichi Nagashima, Hiroyuki Kobayashi, Keiichi Murakami: Information recording medium and method for recording and reproducing information to a medium to prevent unauthorized copying. Fujitsu Limitd, Greer Burns & Crain, March 23, 1999: US05886979 (38 worldwide citation)

An information recording medium wherein the key information is recorded by arrangement of a unit area recorded irreversibly and a unit area not recorded irreversibly to effect the truth judgment of the medium in accordance with the result of whether or not the reproduction of the key information can ...


4
Toshio Suzuki, Asao Saito, Makoto Shibata, Junichi Kobayashi, Hirokazu Komuro, Toshihiro Mori, Shuji Koyama, Sakai Yokoyama, Ryoichi Koizumi, Keiichi Murakami: Ink jet recording head and apparatus having a protective member formed above energy generators for generating energy used to discharge ink. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, February 13, 1996: US05491505 (37 worldwide citation)

An ink jet recording head includes energy generators for generating the energy used to discharge ink and a substrate on which a circuit electrically connected to the energy generators is formed. Also provided is a protective member on an insulating layer on the substrate above the energy generators. ...


5
Keiichi Murakami, Atsuo Iida, Tetsuya Matsushima: Ultrasonic beam forming system. Fujitsu, Staas & Halsey, July 13, 1993: US05228007 (35 worldwide citation)

An ultrasonic wave beam former including: a ultrasonic wave probe (1) equipped with a plurality of transducers (2) for converting a ultrasonic wave signal to an electric signal for effecting a dynamic focus by multiplying each channel signal as an output signal from each of the transducers (2) by a ...


6
Takaki Shimura, Keiichi Murakami, Hirohide Miwa, Takuso Sato, Nobuyuki Ichida: Ultrasonic non-linear parameter measuring system. Fujitsu, Staas & Halsey, September 9, 1986: US04610255 (32 worldwide citation)

This invention relates to a system for measuring the non-linear parameter B/A of an ultrasonic medium such as a living tissue, namely the value which indicates a rate of change of the sound velocity with change of pressure, utilizing reflected ultrasonic waves. In this invention, a measuring burst p ...


7
Yuichi Ichikawa, Naoki Naruse, Tatsuro Oi, Nobuyuki Watanabe, Yasunori Hattori, Masato Takeshita, Masakazu Nishida, Mao Asai, Masayuki Tsuda, Atsuki Tomioka, Kazuhiro Yamada, Dai Kamiya, Satoshi Washio, Naoki Yamane, Keiichi Murakami: Communication device, control method of communication device, program and communication method. NTT Docomo, Brinks Hofer Gilson & Lione, September 2, 2008: US07421577 (31 worldwide citation)

The present invention provides a means for reflecting modifications made in a server to data with regard to a scope of rights, which are granted to an application program operable in a communication device such as a mobile station, on data stored in the communication device. To achieve the aim, in a ...


8
Hirohide Miwa, Keiichi Murakami, Akira Shiba, Takaki Shimura, Hajime Hayashi: Ultrasound medium characteristics measuring apparatus. Fujitsu, Staas & Halsey, February 9, 1988: US04723553 (31 worldwide citation)

An apparatus for measuring acoustic characteristic values of a medium by sending ultrasound pulses into the medium and analyzing the reflected waves from the medium. Medium characteristic values are extracted from the reflected waves, and spectrum scalloping is eliminated. The present invention exec ...


9
Hirohide Miwa, Takaki Shimura, Keiichi Murakami: Measurement method and system utilizing ultrasonic wave. Fujitsu, Staas & Halsey, November 15, 1983: US04414850 (25 worldwide citation)

A measurement method and system for measuring characteristics of attenuation of domains in an object comprises transmitting ultrasonic waves into the object and receiving ultrasonic waves reflected from the object. The measured characteristics of attenuation of reflected waves is determined using si ...


10
Syoichi Yasue, Keiichi Murakami: Hub ring and supporting plate for a filter and methods for manufacturing these members. Filtration Systems, Kabushiki Kaisha Toukai Spring Seisakusho, Austin R Miller, March 18, 1997: US05611925 (23 worldwide citation)

Disclosed is a hub ring for a filter wherein a supporting member having a plurality of supporting portions is interposed between a pair of keep plates, a supporting plate for a filter wherein a plurality of wave portions extending substantially in the circumferential direction are arranged in the ra ...