Patents Assigned to SENKO Co., Ltd.
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Patent number: 11415548Abstract: A disclosed flat type lamp for a photoionization detector includes: a first plate member having a plate shape and having a first surface on which a plurality of discharge cavities is formed; a second plate member isolating the plurality of discharge cavities from the outside by being disposed and sealed on the first surface of the first plate member; electrodes disposed on the first and second plate members and arranged to face each other; and a discharge gas filled in the plurality of discharge cavities and producing vacuum ultraviolet using electric force that is applied through the electrodes.Type: GrantFiled: December 27, 2019Date of Patent: August 16, 2022Assignee: SENKO CO, LTDInventor: Seung Chul Ha
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Patent number: 9989474Abstract: A gas sensor, a refrigerator having the gas sensor, and a method for controlling the gas sensor recognizes the ripening degree of a target food on the basis of a variation in color using a pH indicator having a color that is changed with pH variation generated when the pH indicator reacts with target gas, a refrigerator having the gas sensor. The gas sensor for detecting target gas includes: a base provided for gas permeation; and a detection unit provided at the base, and is discolored in response to pH variation generated when reacting with target gas having permeated the base.Type: GrantFiled: May 26, 2015Date of Patent: June 5, 2018Assignees: SAMSUNG ELECTRONICS CO., LTD., SENKO CO., LTD.Inventors: Youn Joo Song, Seung Chul Ha, Hyun Joo Jung, Young Chul Ko, Yong Won Jeong
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Publication number: 20160279897Abstract: A thermoplastic resin reinforced sheet material that easily corresponds to a Vf value and that is prevented from being curled, and a method for manufacturing such a thermoplastic resin reinforced sheet material. The thermoplastic resin reinforced sheet material (1) includes: a reinforced fiber sheet material (2) which is formed into a sheet shape by drawing and aligning a plurality of reinforcing fibers in a predetermined direction and whose weight per unit area is 80 g/m2 or less; a fabric (3) which is formed of a thermoplastic resin fiber material having a fineness of 5.6 decitex to 84 decitex and whose basis weight per unit area is 5 g/m2 to 90 g/m2; and a thermoplastic resin material for bonding (4) which is melted or softened at a temperature lower than a melting temperature of the fabric (3) and which discretely causes the reinforced fiber sheet material (2) and the fabric (3) to adhere.Type: ApplicationFiled: July 1, 2014Publication date: September 29, 2016Applicants: HATTA TATEAMI CO., LTD., FUKUI PREFECTURAL GOVERNMENT, TOYO SENKO & CO., LTD.Inventors: Hiromi YAMAZAKI, Makoto IHARA, Masao YAMAMOTO, Daizo YOSHIMURA, Kazumasa KAWABE, Hideki SASAYAMA
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Publication number: 20160018338Abstract: A gas sensor, a refrigerator having the gas sensor, and a method for controlling the gas sensor recognizes the ripening degree of a target food on the basis of a variation in color using a pH indicator having a color that is changed with pH variation generated when the pH indicator reacts with target gas, a refrigerator having the gas sensor. The gas sensor for detecting target gas includes: a base provided for gas permeation; and a detection unit provided at the base, and is discolored in response to pH variation generated when reacting with target gas having permeated the base.Type: ApplicationFiled: May 26, 2015Publication date: January 21, 2016Applicants: Samsung Electronics Co., Ltd., SENKO CO., LTD.Inventors: Youn Joo SONG, Seung Chul Ha, Hyun Joo Jung, Young Chul Ko, Yong Won Jeong
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Publication number: 20100218683Abstract: Provided are an indoor gas detecting apparatus and an indoor air purification system. The indoor gas detecting apparatus includes: a gas sensor unit composed of a plurality of gas sensors and a fine dust sensor; a controller controlling overall operations; a display unit; an alarm unit; and a communication unit transmitting/receiving data to/from an external apparatus. If a detected gas amount exceeds a predetermined permission level of each gas, the controller transmits an operation signal to an external automatic gas blocking apparatus or an external air purification apparatus so as to operate the automatic gas blocking apparatus or the air purification apparatus. Accordingly, not only fresh indoor air can be maintained but also an explosion or a fire can be prevented.Type: ApplicationFiled: January 17, 2007Publication date: September 2, 2010Applicants: KANGNUNG NATIONAL UNIVERSITY INDUSTRIAL ACADEMY CORPORATION GROUP, SENKO CO. LTD.Inventors: Tae-Yun Chung, Seung-Chul Ha, Pan-Jong Park
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Publication number: 20080128285Abstract: An electrochemical gas sensor and a method of manufacturing the same are provided. The electrochemical gas sensor includes: a substrate; an electrode patterned on the substrate; a solid electrolyte layer having proton conductivity formed on the substrate having the patterned electrode; and a hydrophobic microporous membrane formed on the solid electrolyte layer. The gas sensor chip is easily integrated with a driving circuit and uses a solid electrolyte layer, and thus it can be manufactured in a smaller size and in a large area process.Type: ApplicationFiled: November 21, 2007Publication date: June 5, 2008Applicants: Electronics and Telecommunications Research Institute, SENKO Co., Ltd.Inventors: Seung Eon MOON, Eun Kyoung KIM, Hong Yeol LEE, Jong Hyurk PARK, Kang Ho PARK, Jong Dae KIM, Seok Hong MIN, Byung Gil JUNG, Seung Chul HA
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Patent number: 5535891Abstract: A method and apparatus for processing scraps by separating and recovering various nonferrous metals from a mixture of scraps comprising nonferrous metals and nonmetals, wherein scraps which have been crushed and cleared of magnetic substance parted from long-size material and washed out of the adhering fine dust and oily substance, and separated into light and heavy materials based on the difference in the specific gravity thereof by use of a heavy liquid made up of water and magnetic powder body and by the effect of an upward flow of the heavy liquid which increases its own apparent specific gravity; the separated light material is further sorted into nonferrous metals and nonmetals based on the difference in the electric conductivity thereof by the application of a moving magnetic field thereto, being recovered as resources.Type: GrantFiled: September 26, 1994Date of Patent: July 16, 1996Assignee: Nippon Jiryoku Senko Co., Ltd.Inventors: Hiroharu Kuniyone, Tsunoru Nagaki
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Patent number: 5373948Abstract: A device for separating long-size materials included in the scraps of a crushed car, etc., has an inner cylinder which is installed with a slope and around which a plurality of short pipes are radially installed as they open to the inside of the inner cylinder, and receiving plates which are installed around the outside of said short pipes with a predetermined spacing therefrom. The inner cylinder is rotated at a low speed with the receiving plate, and the scraps charged from the upper stream of said inner cylinder are separated to the short-size materials which have passed through the short pipes and the long-size materials which have flowed down through said inner cylinder.Type: GrantFiled: June 17, 1993Date of Patent: December 20, 1994Assignee: Nippon Jiryoku Senko, Co., Ltd.Inventor: Tsunoru Nagaki
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Patent number: 5019160Abstract: Method of producing steel slag free from disintegration completed through the modification of slag in molten state by use of a small amount of modifier while increasing the temperature of slag, wherein the chemical composition of the steel slag and modifier to be charged is analyzed beforehand, a small amount of boron-containing compounds and the first modifier consisting of silicate-containing minerals, etc. by which the basicity of the steel slag after treated settles in the range between 1.6 and 1.9 are mixed to the slag and, further, the exothermic and powdery second modifier consisting of one or two and more among aluminum, aluminum dross, magnesium, and magnesium slag is charged together with agitating gas by bubbling.Type: GrantFiled: March 15, 1990Date of Patent: May 28, 1991Assignee: Nippon Jiryoku Senko Co., Ltd.Inventors: Mitsuhisa Harada, Masao Tomari
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Patent number: 4747547Abstract: The present invention relates to a process for the treatment of a slag generated in an ironworks and comprises rough crushing a solidified slag generated in an ironworks with a crusher into a specified particle size, a step of further crushing for separation, and dividing the crushed slag by specific gravity separation with a dry vibrating air classifier and a step of magnetic separation into a metal component and a slag component. This process can be carried out even in a cold district where water freezes in winter.Type: GrantFiled: November 12, 1986Date of Patent: May 31, 1988Assignee: Nippon Jiryoku Senko Co., Ltd.Inventor: Akihisa Harada
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Patent number: 4725307Abstract: A method of modifying dust and sludge simultaneously with steel slag produced in a steel making process. In a reactor equipped with a heating electrode, a predetermined amount of a hydrous silicate mineral as a modifier is fed to molten steel slag having a high temperature to decompose the hydrous silicate mineral, causing the molten steel slag to the stirred with a gas produced as the result of the decomposition and the slag modifying reaction to be promoted, whereby the dust, sludge and steel slag produced in a steel making process not only can be made harmless but also can be effectively reused.Type: GrantFiled: December 23, 1986Date of Patent: February 16, 1988Assignee: Nippon Jiryoku Senko Co., Ltd.Inventor: Akihisa Harada
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Patent number: 4711662Abstract: The present invention relates to a process for the simultaneous treatment of dust, sludge and steel slag generated in the steel-manufacturing step, characterized by using a specified amount of a silicate mineral containing water of crystallization as a modifier. This process comprises adding a silicate mineral containing water of crystallizaiton to molten steel slag having a high temperature to carry out the modification of the slag, while stirring the slag by the gas generated by the decomposition of the silicate mineral containing water of crystallization, According to the process, dust, sludge and steel slag can be treated simultaneously to give an innoxious material which can be utilized satisfactorily.Type: GrantFiled: October 14, 1986Date of Patent: December 8, 1987Assignee: Nippon Jiryoku Senko Co., Ltd.Inventor: Akihisa Harada
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Patent number: 4179279Abstract: A process for diminishing the collapsibility of steel slag by the addition of red mud obtained from the aluminum industry is disclosed.Type: GrantFiled: January 30, 1978Date of Patent: December 18, 1979Assignee: Nippon Jiryoku Senko Co., Ltd.Inventors: Genzaburo Harada, Takuma Yen, Masao Tomari