Patents by Inventor Mitsuo Kojima
Mitsuo Kojima has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230353518Abstract: A file transfer system includes sender side terminal that generates an electronic mail to be transmitted to a destination address and a receiver side terminal that receives an electronic mail generated by the sender side terminal. A first server receives the electronic mail from the sender side terminal to identify the presence or absence of an attached file of the electronic mail. A second server performs a second transfer request of the attached file to the first server in response to a first transfer request of the attached file from the receiver side terminal. A third server receives the attached file provided from the first server in response to the second transfer request from the second server and transmits the attached file to the receiver side terminal in response to a reception request from the receiver side terminal.Type: ApplicationFiled: December 21, 2021Publication date: November 2, 2023Inventors: Mitsuo Kojima, Mamoru Tomita, Akira Nakahashi, Hibiki Oka
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Publication number: 20230237258Abstract: Aspects of this disclosure provide a device, system, and method for analyzing text. In an embodiment, a system is configured to convert characters of the text into a numerical time series signal. The numerical time series signal includes a time series conversion of the characters in numerical format. The system is further configured to generate a waveform with extracted information from the numerical time series signal. The extracted information having features based on politeness in language, a quantifiable use of punctuations, a quantifiable use of conjunctions, use of idioms, or a combination thereof. The system is additionally configured to determine whether the text is written by a specific user based on an analysis of the waveform against a threshold.Type: ApplicationFiled: March 24, 2023Publication date: July 27, 2023Inventors: Hibiki Oka, Mitsuo Kojima, Akira Nakahashi
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Patent number: 11657134Abstract: [Problem(s) to be solved] To provide an eye contact detection device that achieves man-machine interface based on eye contact. [Means for solving problem(s)] An eye contact detection device according to the present invention includes: a light emitting element 200 for emitting light from an opening 260 in an optical axis direction; a light receiving element 220 for receiving light emitted from the light emitting element 200 and reflected off by the eyeball E of user to output an electrical signal in accordance with the received light; a detection circuit 230 for amplifying and binarizing an analog electrical signal output from the light receiving element 220, and an eye contact determination unit 240 for determining the presence or absence of eye contact of user U based on a detection signal output from the detection circuit 230.Type: GrantFiled: October 30, 2019Date of Patent: May 23, 2023Assignee: IMatrix Holdings Corp.Inventors: Mitsuo Kojima, Hibiki Oka
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Publication number: 20220342970Abstract: [Problem(s) to be solved] To provide an eye contact detection device that achieves man-machine interface based on eye contact. [Means for solving problem(s)] An eye contact detection device according to the present invention includes: a light emitting element 200 for emitting light from an opening 260 in an optical axis direction; a light receiving element 220 for receiving light emitted from the light emitting element 200 and reflected off by the eyeball E of user to output an electrical signal in accordance with the received light; a detection circuit 230 for amplifying and binarizing an analog electrical signal output from the light receiving element 220, and an eye contact determination unit 240 for determining the presence or absence of eye contact of user U based on a detection signal output from the detection circuit 230.Type: ApplicationFiled: October 30, 2019Publication date: October 27, 2022Inventors: Mitsuo Kojima, Hibiki Oka
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Publication number: 20220343067Abstract: [Problem(s)] To provide a text analysis system that is low cost and able to detect text with a normal expressive or structural features. [Solution] A text analysis system 100 according to the present invention includes a text acquisition portion 110 for acquiring text data; a feature extraction portion 120 for converting the text data acquired by the text acquisition portion 110 into a time series signal to extract a feature from the converted time series signal; a feature storage portion 130 for storing the feature extracted by feature extraction portion 120; and an anomalous text detection portion 140 for detecting anomalous text based on the feature in the feature storage portion 130.Type: ApplicationFiled: September 2, 2019Publication date: October 27, 2022Inventors: Hibiki Oka, Mitsuo Kojima, Akira Nakahashi
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Patent number: 11282040Abstract: An evaluating method can be performed by a computer. The method includes acquiring two-dimensional data represented by a plurality of character types, converting the two-dimensional data to three-dimensional data by classifying the acquired two-dimensional data into a dimension of the plurality of character types, analyzing a feature of the three-dimensional data, and evaluating input data described in the plurality of character types based on the analyzed feature.Type: GrantFiled: November 28, 2016Date of Patent: March 22, 2022Assignee: IMATRIX HOLDINGS CORP.Inventors: Mitsuo Kojima, Hibiki Oka
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Publication number: 20190378091Abstract: An evaluating method can be performed by a computer. The method includes acquiring two-dimensional data represented by a plurality of character types, converting the two-dimensional data to three-dimensional data by classifying the acquired two-dimensional data into a dimension of the plurality of character types, analyzing a feature of the three-dimensional data, and evaluating input data described in the plurality of character types based on the analyzed feature.Type: ApplicationFiled: November 28, 2016Publication date: December 12, 2019Inventors: Mitsuo Kojima, Hibiki Oka
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Patent number: 10163005Abstract: A mail processing apparatus includes a data retrieving section for retrieving sample data from e-mail and/or a network NW, a signalizing section for converting the sample data form the data retrieving section into n-value, a sample storage section for storing n-value data converted by the signalizing section, a signal processing section for comparing the n-value sample data stored in the sample storage section with an inputted e-mail to judge whether or not the e-mail is spam mail based on the degree of similarity, and a spam storing section for storing the spam mail based on the judgment result.Type: GrantFiled: June 1, 2018Date of Patent: December 25, 2018Assignee: IMatrix Corp.Inventors: Mitsuo Kojima, Atsushi Yokoyama, Tatsuo Suzuki, Shohei Numata
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Publication number: 20180276459Abstract: A mail processing apparatus includes a data retrieving section for retrieving sample data from e-mail and/or a network NW, a signalizing section for converting the sample data form the data retrieving section into n-value, a sample storage section for storing n-value data converted by the signalizing section, a signal processing section for comparing the n-value sample data stored in the sample storage section with an inputted e-mail to judge whether or not the e-mail is spam mail based on the degree of similarity, and a spam storing section for storing the spam mail based on the judgment result.Type: ApplicationFiled: June 1, 2018Publication date: September 27, 2018Inventors: Mitsuo Kojima, Atsushi Yokoyama, Tatsuo Suzuki, Shohei Numata
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Patent number: 8878294Abstract: An inventive semiconductor device includes a semiconductor layer, a source region provided in a surface layer portion of the semiconductor layer, a drain region provided in the surface of the semiconductor layer in spaced relation from the source region, a gate insulation film provided in opposed relation to a portion of the surface of the semiconductor layer present between the source region and the drain region, a gate electrode provided on the gate insulation film, and a drain-gate isolation portion provided between the drain region and the gate insulation film for isolating the drain region and the gate insulation film from each other in non-contact relation.Type: GrantFiled: July 13, 2013Date of Patent: November 4, 2014Assignee: Rohm Co., Ltd.Inventors: Mitsuo Kojima, Shoji Takei
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Publication number: 20130292765Abstract: An inventive semiconductor device includes a semiconductor layer, a source region provided in a surface layer portion of the semiconductor layer, a drain region provided in the surface of the semiconductor layer in spaced relation from the source region, a gate insulation film provided in opposed relation to a portion of the surface of the semiconductor layer present between the source region and the drain region, a gate electrode provided on the gate insulation film, and a drain-gate isolation portion provided between the drain region and the gate insulation film for isolating the drain region and the gate insulation film from each other in non-contact relation.Type: ApplicationFiled: July 13, 2013Publication date: November 7, 2013Inventors: Mitsuo KOJIMA, Shoji TAKEI
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Patent number: 8513766Abstract: An inventive semiconductor device includes a semiconductor layer, a source region provided in a surface layer portion of the semiconductor layer, a drain region provided in the surface of the semiconductor layer in spaced relation from the source region, a gate insulation film provided in opposed relation to a portion of the surface of the semiconductor layer present between the source region and the drain region, a gate electrode provided on the gate insulation film, and a drain-gate isolation portion provided between the drain region and the gate insulation film for isolating the drain region and the gate insulation film from each other in non-contact relation.Type: GrantFiled: June 19, 2008Date of Patent: August 20, 2013Assignee: Rohm Co., Ltd.Inventors: Mitsuo Kojima, Shoji Takei
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Patent number: 8473556Abstract: An e-mail processing system includes an e-mail received from an external apparatus through a network and a managing center that manages the information regarding spam mails. An e-mail system detects a spam mail from the received e-mail based on the information received from the managing center, and user PCs that receive a legitimate e-mail other than spam mails, through the e-mail system.Type: GrantFiled: December 29, 2009Date of Patent: June 25, 2013Assignee: IMATRIX Corp.Inventors: Mitsuo Kojima, Eiji Ohta, Hiromichi Suematsu
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Publication number: 20100161748Abstract: An e-mail processing system includes an e-mail received from an external apparatus through a network and a managing center that manages the information regarding spam mails. An e-mail system detects a spam mail from the received e-mail based on the information received from the managing center, and user PCs that receive a legitimate e-mail other than spam mails, through the e-mail system.Type: ApplicationFiled: December 29, 2009Publication date: June 24, 2010Inventors: Mitsuo Kojima, Eiji Ohta, Hiromichi Suematsu
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Publication number: 20100102387Abstract: An inventive semiconductor device includes a semiconductor layer, a source region provided in a surface layer portion of the semiconductor layer, a drain region provided in the surface of the semiconductor layer in spaced relation from the source region, a gate insulation film provided in opposed relation to a portion of the surface of the semiconductor layer present between the source region and the drain region, a gate electrode provided on the gate insulation film, and a drain-gate isolation portion provided between the drain region and the gate insulation film for isolating the drain region and the gate insulation film from each other in non-contact relation.Type: ApplicationFiled: June 19, 2008Publication date: April 29, 2010Applicant: ROHM COL, LTD.Inventor: Mitsuo Kojima
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Patent number: 5446298Abstract: The present invention provides a semiconductor device including nonvolatile memories and a manufacturing method thereof which have advantages in reliability of writing operation and in erasing time of erasing operation. This semiconductor device comprises a silicon substrate 40, a N type drain 40 formed in the surface of the substrate 36, a N type source 36, a tunnel oxide layer 14 located on the surface of the substrate, and a floating gate located on the tunnel oxide layer 14, having a first portion 55 in side of the source 36 and a second portion 54 in both sides of the drain 40 and the substrate 2, the second portion 54 being of a lower N type dosage than the first portion 55.Type: GrantFiled: September 6, 1994Date of Patent: August 29, 1995Assignee: Rohm Co., Ltd.Inventor: Mitsuo Kojima
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Patent number: 5316963Abstract: A method for producing a semiconductor device, composed of manufacturing a semiconductor device having an arrayed read only memory arranged in an array with a production line used for manufacturing a semiconductor device having a flash memory which determines a state to be written in the read only memory with use of at least a semiconductor device having the flash memory.Type: GrantFiled: March 25, 1993Date of Patent: May 31, 1994Assignee: Rohm Co., Ltd.Inventor: Mitsuo Kojima
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Patent number: 4950832Abstract: Dialkylnaphthalenes, especially 2,6-dialkylnaphthalene can be prepared with good yield for a long time by reacting naphthalene and/or monoalkylnaphthalenes with C.sub.2 -C.sub.4 olefin in the presence of silica-alumina catalyst containing 0.1-15 weight percent of fluorine under suitable conditions.Type: GrantFiled: July 19, 1988Date of Patent: August 21, 1990Assignee: Nikki Chemical Co., Ltd.Inventor: Mitsuo Kojima
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Patent number: 4302357Abstract: An activated alumina catalyst containing alkali metal, sulfur, iron and silicon in an amount of 0.05 wt. % or less respectively, calculated as Na.sub.2 O, SO.sub.3, Fe.sub.2 O.sub.3 and SiO.sub.2 and having a purity of 99.6 wt. % or more exhibits superior activity and selectivity when used in the dehydration reaction of ethanol to ethylene. By adding to the above mentioned high purity activated alumina catalyst a phosphate of one member selected from the metals of Group IIa, Group IIb, Group IIIa and Group IVb of the Periodic Table in an amount of from 0.05 to 5 wt. % of said catalyst there can be obtained a catalyst having more improved activity and selectivity as well as more increased mechanical strength.Type: GrantFiled: April 23, 1980Date of Patent: November 24, 1981Assignee: Nikki Chemical Co., Ltd.Inventors: Mitsuo Kojima, Takahiro Aida, Yukio Asami
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Patent number: 3989445Abstract: A pencil type gas lighter comprising a cylindrical casing consisting of a fore cylinder provided with a flame port at the front end and a rear cylinder separately joined with said fore cylinder. A gas container in said fore cylinder housing has an ignition nozzle with a gas valve disposed on the fore cylinder front end side of said gas container in communication with said gas container through said gas valve. A discharge electrode is positioned within the range of gas ejection from the ignition nozzle, and a feed valve is disposed on the fore cylinder rear end side of said gas container for supplying gas into said gas container. A high voltage generating means in said rear cylinder is electrically connected to said discharge electrode, said high voltage generating means having a valve opening member and a lever, the valve opening member being adapted for opening the gas valve in cooperation with the lever operable to generate a high voltage in said high voltage generating means.Type: GrantFiled: July 21, 1975Date of Patent: November 2, 1976Assignee: Kojima Precision Parts Co., Ltd.Inventor: Mitsuo Kojima