Patents by Inventor Tatsuya Meguro
Tatsuya Meguro 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).
-
Publication number: 20240045087Abstract: A neutron detection element 100 includes: a neutron detector configured to detect a neutron and convert the neutron into an electrical signal; and an amplifier configured to amplify an output of the neutron detector. The neutron detector includes: a semiconductor layer of a first conductivity type; a detector diffusion layer of a second conductivity type in the semiconductor layer; and a neutron conversion layer on the detector diffusion layer. The neutron conversion layer converts a neutron into an ?-ray. The amplifier includes a plurality of transistors in the semiconductor layer. The neutron conversion layer is a metal film including a layer containing boron 10 or a layer containing lithium 6.Type: ApplicationFiled: December 1, 2021Publication date: February 8, 2024Applicant: HIROSHIMA UNIVERSITYInventors: Shinichiro KUROKI, Manabu TANIGUCHI, Kenta NISHIGAITO, Tatsuya MEGURO
-
Patent number: 5935900Abstract: The present invention provides a heat sensitive recording material comprising a heat sensitive recording layer formed on a substrate and containing an electron-donating compound and an electron-accepting compound, and a protective layer formed on the recording layer when required, the recording material being characterized in that at least one benzotriazole compound represented by the formula (1) is incorporated into at least one of the heat sensitive recording layer and the protective layer ##STR1## wherein R.sup.1 is C.sub.1.about.4 alkyl, Ar is 1,3-phenylene or 1,4-phenylene.Type: GrantFiled: August 14, 1997Date of Patent: August 10, 1999Assignee: Ojl Paper Co., Ltd.Inventors: Tatsuya Meguro, Naoko Inatsu, Tetsuo Tsuchida
-
Patent number: 5753588Abstract: The present invention provides a heat sensitive recording material comprising a substrate and a recording layer thereon incorporating a colorless or light-colored basic dye and a color acceptor, the recording material being characterized in that, the basic dye comprises an indolyldiazaphthalide derivative of the formula (1), and the color acceptor comprises a diphenyl sulfone derivative of the formula (2) and/or a benzanilide derivative of the formula (3) ##STR1## wherein R.sub.1 to R.sub.8 are defined in the specification.Type: GrantFiled: July 25, 1996Date of Patent: May 19, 1998Assignee: New Oji Paper Company LimitedInventors: Takeshi Iida, Tatsuya Meguro, Tetsuo Tsuchida
-
Patent number: 5565306Abstract: The present invention provides a thermofixable photosensitive recording material comprising a substrate and a recording layer formed thereon in which a pyrazolone derivative represented by the formula (1 ) shown in the specification and functions as a color former, and a hydroquinone derivative and an acidic substance which function as a color forming auxiliary agent or fixing auxiliary agent are dissolved mutually therein.Further, a binder can be added as required to the recording layer, thereby four components are dissolved mutually therein.Type: GrantFiled: January 30, 1995Date of Patent: October 15, 1996Assignee: New OJI Paper Co., Ltd.Inventors: Tatsuya Meguro, Nobuhisa Danou, Tetsuo Tsuchida, Naoto Arai
-
Patent number: 5372917Abstract: The present invention provides a recording material utilizing a reaction between a colorless or light-colored dye precursor and a color developer capable of forming a color upon coming into contact with the dye precursor, the recording material being characterized in that the material comprises at least one compound serving as the dye precursor and represented by the formula (1), and an acidic substance serving as the color developer ##STR1## wherein R.sub.1 to R.sub.6, p and q are defined in the specification. At least one selected from the group consisting of phenolic compounds of the formulae (10), (11) and (12) and phenolic resin having a partial structure of the formula (13) can be used, as required, to further improve the color forming properties and change the color of recorded images from reddish purple or purple to blue or dark blue.Type: GrantFiled: June 29, 1993Date of Patent: December 13, 1994Assignee: Kanzaki Paper Manufacturing Co., Ltd.Inventors: Tetsuo Tsuchida, Tatsuya Meguro, Takaaki Kouro, Haruo Omura
-
Patent number: 5276001Abstract: The present invention provides a heat sensitive recording material comprising a heat sensitive recording layer formed on a substrate and containing a color former and a color developer reactive with the color former, an intermediate layer formed on the recording layer and containing a water-soluble resin or water-dispersible resin, and an overcoat layer formed on the intermediate layer and containing a resin curable with an ionizing radiation, the heat sensitive recording material being characterized in that the color developer comprises at least one of a salicylic acid derivative represented by the following formula (1) or formula (2) and polyvalent metal salt of the derivative ##STR1## wherein Ar, Q, A, R, X, Y, m and n are defined in the specification.Type: GrantFiled: March 10, 1992Date of Patent: January 4, 1994Assignee: Kanzaki Paper Manufacturing Co., Ltd.Inventors: Tetsuo Tsuchida, Takehiro Minami, Tatsuya Meguro
-
Patent number: 5096872Abstract: The present invention provides a recording material utilizing the color forming reaction between a colorless or light-colored basic dye and a color acceptor reactive with the dye to form a color and forming on the same or different substrate layer or layers containing the basic dye and the color acceptor conjointly or separately, the recording material being characterized in that the color acceptor is at least one of salicylic acid derivatives represented by the following formula [I] or polyvalent metal salts thereof ##STR1## wherein X is straight-chain or branched-chain C.sub.1.about.12 alkylene or C.sub.5.about.12 cycloalkylene, R is C.sub.1.about.20 alkyl having or not having a substituent or C.sub.2.about.20 alkenyl having or not having a substituent, Y is C.sub.1.about.6 alkyl, C.sub.2.about.6 alkenyl, C.sub.7.about.10 aralkyl or halogen atom, Z is C.sub.1.about.6 alkyl, C.sub.2.about.6 alkenyl, C.sub.7.about.10 aralkyl, C.sub.1.about.Type: GrantFiled: October 24, 1990Date of Patent: March 17, 1992Assignee: Kanzaki Paper Manufacturing Co., Ltd.Inventors: Tetsuo Tsuchida, Fumio Seyama, Tatsuya Meguro, Mitsuru Kondo
-
Patent number: 5094999Abstract: A recording material utilizing the reaction between a colorless or light-colored basic dye and a color acceptor reactive with the basic dye to form a color and forming on the same or different substrate a layer or layers containing the basic dye of the color acceptor conjointly or separately, the recording material being characterized in that the color acceptor is at least one of salicyclic acid derivatives represented by the following formula [I] or polyvalent metal salts thereof ##STR1## wherein Ar, R, X, l and m are defined in the specification.Type: GrantFiled: May 29, 1990Date of Patent: March 10, 1992Assignee: Kanzaki Paper Manufacturing Co., Ltd.Inventors: Testsuo Tsuchida, Fumio Seyama, Tatsuya Meguro, Mitsuru Kondo
-
Patent number: 4977132Abstract: The heat-sensitive record material according to this invention has a heat-sensitive recording layer on a base sheet, which comprises a colorless or pale colored basic chromogenic material and a phenolic compound developing a color by contacting with the chromogenic material. The recording layer comprises, as the basic chromogenic material, at least one fluoran derivative represented by the following formula [I] and at least one phthalide derivative represented by the following formula [II] in a weight ratio of 100:1.about.20; ##STR1## wherein each R.sub.1, R.sub.2 represents alkyl, unsaturated alkyl, cycloalkyl, aryl, aralkyl or tetrahydrofurfuryl, each of which may have at least one substituent selected from the group consisting of halogen, alkyl and alkoxyl, R.sub.1 may cooperate with R.sub.2 to form a ring, each R.sub.3, R.sub.Type: GrantFiled: June 22, 1989Date of Patent: December 11, 1990Assignee: Kanzaki Paper Manufacturing Co., Ltd.Inventors: Tetsuo Tsuchida, Tatsuya Meguro, Fumio Seyama, Mitsuru Kondo