1
Ryo Nagase, Shin ichi Iwano: Optical receptacle and housing therefor. Nippon Telegraph & Telephone Corporation, Frishauf Holtz Goodman Langer & Chick P C, March 23, 1999: US05887095 (111 worldwide citation)

An optical receptacle includes a housing having a base end and a nose end. From the base end of the housing is fitted the first ferrule. A split sleeve is provided in the housing. In the split sleeve is fitted the second ferrule of an optical fiber connector plug to be connected to the nose base sid ...


2
Tetsuya Akasaka, Seigo Ando, Toshio Nishida, Naoki Kobayashi, Tadashi Saitoh: Thin film deposition method of nitride semiconductor and nitride semiconductor light emitting device. Nippon Telegraph & Telephone Corporation, Workman Nydegger, July 19, 2005: US06920166 (111 worldwide citation)

A masking material 13, which includes stripe-like openings 12 parallel to the [1-100] direction of a nitride semiconductor thin film, is formed on a substrate. Nitride semiconductor thin films 11 doped with Mg are grown on the openings 12 by selective-area growth. The nitride semiconductor thin film ...


3
Naoki Kobayashi, Toshiki Makimoto, Yoshiji Horikoshi: Preparation process of compound semiconductor. Nippon Telegraph & Telephone Corporation, Spencer & Frank, August 30, 1988: US04767494 (104 worldwide citation)

A compound semiconductor thin film is formed by growing a plurality of molecular layers one over another. According to the present invention, while a carrier gas and a small quantity of hydride containing an element in Group V or VI are normally flowed, an organometallic compound which is diluted wi ...


4
Masafumi Koga, Mitsuhiro Teshima, Hitoshi Obara, Ken ichi Sato: Multiwavelength simultaneous monitoring circuit employing arrayed-waveguide grating. Nippon Telegraph & Telephone Corporation, Spencer & Frank, April 1, 1997: US05617234 (100 worldwide citation)

A multiwavelength simultaneous monitoring circuit capable of precise discrimination of wavelengths of a WDM (Wavelength Division Multiplexed) signal including multiplexed wavelength waves, and suitable for optical integrated circuits having large resistance to vibration. It includes a reference opti ...


5
Nobuyuki Tokura, Yoshio Kajiyama, Hideo Tatsuno: Packet network and method for congestion avoidance in packet networks. Nippon Telegraph & Telephone Corporation, Cushman Darby & Cushman, March 21, 1995: US05400329 (98 worldwide citation)

Packet transfer is controlled by using an acceleration rate of packet transfers or by using a packet transfer rate acceleration ratio to predict that congestion will occur at a prescribed time in the future. Congestion avoidance in packet integrated networks is thereby achieved in a network having b ...


6
Tetsuo Tajiri, Yuichi Sato: Coordinate input device. Nippon Telegraph & Telephone Corporation, Roberts Spiecens & Cohen, June 21, 1988: US04752655 (93 worldwide citation)

A transparent coordinate input device can be used integrally with a display unit or overlap it and has a coordinate input panel (i.e., a transparent drawing pad). The input panel has a transparent insulating substrate, a flat transparent resistor film of a rectangular shape which is formed on the su ...


7
Hideki Koike, Satoshi Shimada, Akira Tomono, Kenichiro Ishii, Toshiki Iso: Object image detecting method and system. Nippon Telegraph & Telephone Corporation, Pollock Vande Sande & Amernick R L, January 30, 2001: US06181805 (82 worldwide citation)

In a dictionary image generating section, images of objects each belonging to any one of L categories are taken by a camera from predetermined M directions, a matching region of the object to be recognized is extracted from each of the object images, and dictionary images (N=L×M, n=1, ...


8
Kazuo Ohta, Tatsuaki Okamoto: Authentication system and apparatus therefor. Nippon Telegraph & Telephone Corporation, Pollock Vande Sande and Priddy, November 6, 1990: US04969189 (80 worldwide citation)

In the case where a prover A proves the validity of a pretender B to a verifier C, B receives an initial response x' created by A, randomizes it with a random component and sends it as x", and randomizes an inquiry .beta. from C with the random component and sends it as .beta.' to A. A proves, for t ...


9
Yasuhisa Omura, Yasuo Kunii, Katsutoshi Izumi: Method of manufacturing SOI semiconductor element. Nippon Telegraph & Telephone Corporation, Blakely Sokoloff Taylor & Zafman, February 23, 1993: US05188973 (80 worldwide citation)

According to a method of manufacturing an SOI semiconductor element of this invention, a structure obtained by forming a first semiconductor layer on a first insulator is prepared. A process mask is arranged on the first semiconductor layer. The process mask has a groove pattern of a predetermined s ...


10
Kouji Chiba, Toshio Nojima, Yasushi Yamao, Shigeru Tomisato, Tadao Takami: Linear transmitter. Nippon Telegraph & Telephone Corporation, Cushman Darby & Cushman, October 5, 1993: US05251330 (73 worldwide citation)

This invention relates to a linear transmitter which controls the bias voltage of either the drain electrode or collector electrode of an amplifier for radio frequency based on the envelope of the modulated signal, and is characterized in that it controls the bias voltage of the radio frequency ampl ...