Patents by Inventor Tatsumi Tanaka
Tatsumi Tanaka 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).
-
Patent number: 11920077Abstract: No studies have been made regarding what kinds of refrigerants should be used in a refrigeration cycle device for a vehicle. An air conditioner (1) for a vehicle includes a refrigerant circuit (10) and a refrigerant that is sealed in the refrigerant circuit (10). The refrigerant circuit (10) includes a compressor (80), a first heat exchanger (85), which serves as a heat dissipater in a dehumidifying heating mode, an outside-air heat exchanger (82), a cooling control valve (87), and a second heat exchanger (86), which serves as an evaporator in the dehumidifying heating mode. The refrigerant is a refrigerant having a low GWP.Type: GrantFiled: July 16, 2019Date of Patent: March 5, 2024Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Eiji Kumakura, Kazuhiro Furusho, Masaru Tanaka, Shun Ohkubo, Mitsushi Itano, Yuuki Yotsumoto, Akihito Mizuno, Tomoyuki Gotou, Yasufu Yamada, Tatsumi Tsuchiya, Kenji Gobou, Hitomi Kuroki, Daisuke Karube, Tatsuya Takakuwa, Tetsushi Tsuda
-
Patent number: 11912922Abstract: A showcase includes a refrigerant circuit and a refrigerant enclosed in the refrigerant circuit. The refrigerant circuit includes a compressor (121), a radiator (122), an expansion valve (123), and an evaporator (124). The refrigerant is a low-GWP refrigerant.Type: GrantFiled: July 16, 2019Date of Patent: February 27, 2024Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Shinichi Fujinaka, Masaru Tanaka, Shun Ohkubo, Mitsushi Itano, Yuuki Yotsumoto, Akihito Mizuno, Tomoyuki Gotou, Yasufu Yamada, Hitomi Kuroki, Tatsumi Tsuchiya, Kenji Gobou, Daisuke Karube, Tatsuya Takakuwa
-
Publication number: 20230349635Abstract: A drying method includes an initial decompressing and temperature-lowering step of decompressing the chamber and lowering an air temperature inside the chamber by operating a decompression pump; and a drying cycle step that is repeatedly performed a plurality of times to dry an object to be dried after performing the initial decompressing and temperature-lowering step. The drying cycle step includes a microwave heating step of heating the object in the chamber by microwave irradiation in the chamber and a decompressing and temperature-lowering step of decompressing the chamber and lowering the air temperature inside the chamber again after performing the microwave heating step by operating the decompression pump with the microwave irradiation being stopped.Type: ApplicationFiled: August 20, 2021Publication date: November 2, 2023Applicant: FUJI SHOJI CO., LTD.Inventor: Tatsumi TANAKA
-
Publication number: 20210265944Abstract: Provide a solar panel cleaning system that uses rainwater to sufficiently remove dirt adhering to the surface of the solar panel without imposing a load on the solar panel. The solar panel cleaning system includes a plurality of solar panels arranged in a row, a pair of rails provided on both sides and extending in a horizontal direction, a double-column structural frame movably supported on the rails on both sides and arranged to surround the upper surfaces of the solar panels, a moving device for moving the structural frame along the rails, a rotating brush provided on the structural frame and arranged to be able to come into contact with the upper surfaces of the solar panels, a drive device for rotating the rotating brush, a water catching unit provided to spread over the upper surface of the structural frame to collect rainwater, and a water pouring unit for pouring the rainwater into the rotating brush.Type: ApplicationFiled: June 28, 2018Publication date: August 26, 2021Applicants: FUJI SEIKO CO., LTD., FUJI SHOJI CO., LTD.Inventor: Tatsumi TANAKA
-
Patent number: 10367446Abstract: A mount for a solar panel capable of changing a tilt angle of the solar panel easily and positively, includes a tilted support frame including a pair of horizontal members extending along a horizontal direction in parallel with different heights and a pair of tilted members arranged between the horizontal members and extending in parallel to be tilted in one side, a fixed support member fixing and supporting the tilted support frame, a square-shaped panel support member on which a solar panel is fixed, a support shaft extending between the tilted support frame and the panel support member and supporting the panel support member to rotate, and a pair of stopper members respectively provided on both rotating end sides of the panel support member so that one end portions rotate freely and including engaging concave portions engaged with half circumferences of outer peripheries of the horizontal members.Type: GrantFiled: May 19, 2015Date of Patent: July 30, 2019Assignees: FUJI SEIKO CO., LTD., FUJI SHOJI CO., LTD.Inventor: Tatsumi Tanaka
-
Publication number: 20180302023Abstract: A mount for a solar panel capable of changing a tilt angle of the solar panel easily and positively, includes a tilted support frame including a pair of horizontal members extending along a horizontal direction in parallel with different heights and a pair of tilted members arranged between the horizontal members and extending in parallel to be tilted in one side, a fixed support member fixing and supporting the tilted support frame, a square-shaped panel support member on which a solar panel is fixed, a support shaft extending between the tilted support frame and the panel support member and supporting the panel support member to rotate, and a pair of stopper members respectively provided on both rotating end sides of the panel support member so that one end portions rotate freely and including engaging concave portions engaged with half circumferences of outer peripheries of the horizontal members.Type: ApplicationFiled: May 19, 2015Publication date: October 18, 2018Applicants: FUJI SEIKO CO., LTD., FUJI SHOJI CO., LTD.Inventor: Tatsumi TANAKA
-
Patent number: 9592645Abstract: A tire vulcanization forming mold and a tire manufacturing method using the same. In the forming mold, a plurality of segment blocks divided in a circumferential direction are equal in circumferential length and are formed with tread forming patterns of plural kinds on which blades for forming tread patterns on a tire are arranged in different arrays. The segment blocks formed with the tread forming patterns of the plural kinds are arranged randomly in the circumferential direction to constitute the mold of a ring shape covering a whole circumference of the tire.Type: GrantFiled: June 11, 2012Date of Patent: March 14, 2017Assignees: FUJI SHOJI CO., LTD., FUJI SEIKO CO., LTD.Inventor: Tatsumi Tanaka
-
Publication number: 20140084512Abstract: A tire vulcanization forming mold and a tire manufacturing method using the same. In the forming mold, a plurality of segment blocks divided in a circumferential direction are equal in circumferential length and are formed with tread forming patterns of plural kinds on which blades for forming tread patterns on a tire are arranged in different arrays. The segment blocks formed with the tread forming patterns of the plural kinds are arranged randomly in the circumferential direction to constitute the mold of a ring shape covering a whole circumference of the tire.Type: ApplicationFiled: June 11, 2012Publication date: March 27, 2014Applicants: FUJI SEIKO CO., LTD., FUJI SHOJI CO., LTD.Inventor: Tatsumi Tanaka
-
Patent number: 8485806Abstract: A tire vulcanizing device includes a plurality of opening/closing cylinders for respectively independently moving a plurality of mold holding members, which respectively hold a plurality of segmented molds arranged in a circumference direction, forward and backward in radial directions, a plurality of positioning blocks arranged in respective spaces in the circumferential direction between the plurality of segmented molds, respective pairs of engaging members respectively provided at opposite sides of the respective mold holding members, and respective pairs of stopper members each pair of which are provided on the adjoining positioning blocks, for restricting the advanced end positions of the segmented molds in engagements with the respective pairs of engaging members.Type: GrantFiled: December 24, 2010Date of Patent: July 16, 2013Assignees: Fuji Shoji Co., Ltd., Fuji Seiko Co., Ltd.Inventors: Chikara Takagi, Tatsumi Tanaka, Ryuichi Nakagawa
-
Publication number: 20120315346Abstract: A tire vulcanizing device includes a plurality of opening/closing cylinders for respectively independently moving a plurality of mold holding members, which respectively hold a plurality of segmented molds arranged in a circumference direction, forward and backward in radial directions, a plurality of positioning blocks arranged in respective spaces in the circumferential direction between the plurality of segmented molds, respective pairs of engaging members respectively provided at opposite sides of the respective mold holding members, and respective pairs of stopper members each pair of which are provided on the adjoining positioning blocks, for restricting the advanced end positions of the segmented molds in engagements with the respective pairs of engaging members.Type: ApplicationFiled: December 24, 2010Publication date: December 13, 2012Applicants: FUJI SEIKO CO., LTD., FUJI SHOJI CO., LTD.Inventors: Chikara Takagi, Tatsumi Tanaka, Ryuichi Nakagawa
-
Patent number: 8215939Abstract: In a tire vulcanization forming mold which is circumferentially divided into a plurality of segment molds, a plurality of circumferential grooves are formed on each segment mold with spaces in a tire width direction; arc-shape mold blocks are detachably fitted respectively in the plurality of circumferential grooves; a plurality of slit grooves are formed on each mold block to open on side surfaces of the mold block; tread pattern forming blades are detachably inserted into these slit grooves in the tire width direction; and coming-off prevention engaging portions are provided on the slit grooves and the blades. Thus, the tire vulcanization forming mold is capable of enabling the blades to be replaced easily with respect to the segment molds.Type: GrantFiled: July 16, 2009Date of Patent: July 10, 2012Assignees: Fuji Seiko Co., Ltd., Fuji Shoji Co., Ltd.Inventors: Chikara Takagi, Tatsumi Tanaka
-
Publication number: 20110183022Abstract: In a tire vulcanization forming mold which is circumferentially divided into a plurality of segment molds, a plurality of circumferential grooves are formed on each segment mold with spaces in a tire width direction; arc-shape mold blocks are detachably fitted respectively in the plurality of circumferential grooves; a plurality of slit grooves are formed on each mold block to open on side surfaces of the mold block; tread pattern forming blades are detachably inserted into these slit grooves in the tire width direction; and coming-off prevention engaging portions are provided on the slit grooves and the blades. Thus, the tire vulcanization forming mold is capable of enabling the blades to be replaced easily with respect to the segment molds.Type: ApplicationFiled: July 16, 2009Publication date: July 28, 2011Applicants: FUJI SEIKO CO., LTD, FUJI SHOJI CO., LTD.Inventors: Chikara Takagi, Tatsumi Tanaka
-
Patent number: 7811390Abstract: A method for producing a carburized part by carburizing a steel member under a vacuum in a decompression furnace while feeding carburizing gas comprises a step for forming an oxide film on at least a part of a surface of the steel member, a step for generating carbon by reducing the oxide film with the carburizing gas, and a step for carburizing the surface of the steel member under a vacuum by diffusing the carbon.Type: GrantFiled: March 21, 2008Date of Patent: October 12, 2010Assignee: Honda Motor Co., Ltd.Inventors: Kazuo Ishii, Tatsumi Tanaka
-
Publication number: 20080230153Abstract: A method for producing a carburized part by carburizing a steel member under a vacuum in a decompression furnace while feeding carburizing gas comprises a step for forming an oxide film on at least a part of a surface of the steel member, a step for generating carbon by reducing the oxide film with the carburizing gas, and a step for carburizing the surface of the steel member under a vacuum by diffusing the carbon.Type: ApplicationFiled: March 21, 2008Publication date: September 25, 2008Applicant: Honda Motor Co., Ltd.Inventors: Kazuo ISHII, Tatsumi TANAKA
-
Patent number: 5977410Abstract: Disclosed are A N-[(fluoroalkoxy)phenoxyalkyl]benzamide compound represented by the formula (1): ##STR1## wherein R.sup.1 and R.sup.3 may be the same or different and represent a hydrogen atom, a halogen atom, a C.sub.1-4 alkyl group, a C.sub.1-4 alkoxy group, a C.sub.1-4 haloalkyl group, a C.sub.1-4 haloalkoxy group, a cyano group, a nitro group, or a hydroxy group; R.sup.2 represents a hydrogen atom, a halogen atom, a C.sub.1-4 alkyl group, or a C.sub.1-4 alkoxy group; A represents an oxygen atom, or a sulfur atom; n is an integer of 1 to 6; x is 1 to 4; y is 0 to 6; z is 2 to 9; m is 0 to 2; provided that 2x+1=y+z+m, an intermediate thereof, processes thereof and an agricultural and horticultural chemical for controlling noxious organisms containing the above-mentioned compound as an effective ingredient which is available as a nematocide, an acaricide, a fungicide, etc.Type: GrantFiled: April 16, 1998Date of Patent: November 2, 1999Assignee: Ube Industries, Ltd.Inventors: Katsutoshi Fujii, Koji Hatano, Shoji Shikita, Tatsumi Tanaka
-
Patent number: 4503907Abstract: A heat exchanger, e.g. that used in an air-conditioner, having a plurality of spaced plate-fins with narrow distance in parallel and a plurality of heat transfer pipes passing through said fins, said fins being coated with an aqueous coating composition comprising 100 parts by weight of a resin composition for water paint in solids content, 5 to 95 parts by weight of a surface active agent and 5 to 65 parts by weight of synthetic silica and baked at a temperature of 120.degree. C. to 200.degree. C. for 10 to 40 minutes to give a coating film of 3 to 20 .mu.m, has excellent hardness and corrosion resistance without damaging hydrophilic properties.Type: GrantFiled: June 5, 1980Date of Patent: March 12, 1985Assignee: Hitachi, Ltd.Inventors: Tatsumi Tanaka, Kiyoshi Hikita, Masaru Furuhashi, Toshio Hatada, Katsuzi Nakano, Akira Arai