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Tatsuya Hirata Patents
Inventor:
Hirata; Tatsuya
Address:
Ibaraki, JP
No. of patents:
12
Patents:




Patent Number Title Of Patent Date Issued
7317218 Solid-state imaging device having a punch-through stopper region positioned closer to a signal a January 8, 2008
A solid-state imaging device can increase the amount of signal charge accumulation in a photodiode. The solid-state imaging device includes a gate electrode formed on a p-type semiconductor substrate. An n-type signal accumulation region accumulates the signal charge obtained through
6945213 Cylinder block for multicylinder engine September 20, 2005
A cylinder block of a multicylinder engine, having a cylinder main body in which multiple cylinder bores are provided in parallel in an axial direction of a crankshaft, and a crankcase having plural journal walls. The crankcase is integrally provided with the cylinder main body, in which
6840447 IC card reader with card holder fastening mechanism and card holder January 11, 2005
An IC card reader is provided for reading data stored in an IC card with radio communication and inputting the data into, for example, a personal computer. The IC card reader includes a card holder and a fastening mechanism which attaches the card holder to a data reading table detac
6388562 Contactless IC card communication system and related method May 14, 2002
A reader/writer (RW) requires identification of anti-collision techniques used by IC cards (A, B, C, and D). The IC cards implement answers to the anti-collision technique identification requirement by the reader/writer at different timings respectively for respective IC cards among the
6380148 Azeotropic mixture of perfluoroalkyl iodide and hydrogen fluoride, and method for isolating and April 30, 2002
The present invention provides a method for isolating and purifying 1,1,1,2,2-pentafluoroethyl iodide or hydrogen fluoride from a mixture of 1,1,1,2,2-pentafluoroethyl iodide and hydrogen fluoride, characterized by distilling an azeotropic mixture of 1,1,1,2,2-pentafluoroethyl iodide and
6352202 Method and system for controlling contactless IC cards March 5, 2002
A reader/writer (RW) requires identification information pieces of respective plural IC cards (A, B, C). The plural IC cards return the respective identification information pieces in response to the requirement by the reader/writer. Logical addresses are assigned to some IC cards am
6271189 Azeotropic mixture of perfluoroalkyl iodide and hydrogen fluoride, and method for isolating and August 7, 2001
The present invention provides a method for isolating and purifying 1,1,1,2,2-pentafluoroethyl iodide or hydrogen fluoride from a mixture of 1,1,1,2,2-pentafluoroethyl iodide and hydrogen fluoride, characterized by distilling an azeotropic mixture of 1,1,1,2,2-pentafluoroethyl iodide and
6239319 Processes for the preparation of perfluoroalkanes and iodine pentafluoride May 29, 2001
The present invention provides a new industrial process for producing perfluoroalkanes in order to overcome the problems of processes for producing perfluoroalkanes in the prior art. The process of the present invention is a process for producing a perfluoroalkane corresponding to a
5478991 Aircraft baggage managing system utilizing a response circuit provided on a baggage tag December 26, 1995
A system for computer-managing information of baggage to be loaded in an aircraft. The system comprises a response circuit attached to the baggage and a reader disposed at a classification point of the baggage. The response circuit operates to input and store baggage information indi
5337066 Antenna system with a limitable communication area August 9, 1994
An antenna system, comprising an antenna for transmitting a radio wave of a frequency, and a radio wave absorber intercepting and absorbing part of the radio wave to reduce the gain of the antenna. Thereby, the antenna system narrows down the communication area of the radio wave independ
5313052 Aircraft baggage managing system utilizing a response circuit provided on a baggage tag May 17, 1994
A system for computer-managing information of baggage to be loaded in an aircraft. The system comprises a response circuit attached to the baggage and a reader disposed at a classification point of the baggage. The response circuit operates to input and store baggage information indi
5247305 Responder in movable-object identification system September 21, 1993
A movable-object identification system includes an interrogator for transmitting an interrogation signal, and a responder mounted on a movable object for transmitting a reply signal in response to the interrogation signal. The reply signal contains identification information. The res


 
 
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