Patents by Inventor Koji Ueno
Koji Ueno 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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Patent number: 7381839Abstract: The objective of the present invention is to provide method for acrylic acid in which a generation of polymerized substance is prevented while acrylic acid is stored in a storage tank. A method of the present invention for producing acrylic acid, comprising storing acrylic acid in a storage tank, wherein a process liquid containing 50 mass % or more of acrylic acid is subjected to at least one filtering operation at 15 to 70° C. when the process liquid is supplied to the storage tank.Type: GrantFiled: January 19, 2007Date of Patent: June 3, 2008Assignee: Nippon Shokubai Co., Ltd.Inventors: Koji Ueno, Yoshitake Ishii
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Publication number: 20070173666Abstract: The objective of the present invention is to provide methods of efficiently purifying and producing acrylic acid by removing solid acrylic acid polymers dissolving and existing in crude acrylic acid supplied to purifying process. The purifying method of the present invention comprises: filtrating the crude acrylic acid to obtain a filtrate at temperature from 15 to 70° C. and at liquid linear velocity of 5 m/s or less, wherein the crude acrylic acid contains an acrylic acid of 50% by mass or more; and purifying the acrylic acid from the filtrate. The producing method of the present invention comprises carrying out the purifying method.Type: ApplicationFiled: January 19, 2007Publication date: July 26, 2007Inventors: Yoshitake Ishii, Koji Ueno
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Publication number: 20070173665Abstract: The objective of the present invention is to provide method for acrylic acid in which a generation of polymerized substance is prevented while acrylic acid is stored in a storage tank. A method of the present invention for producing acrylic acid, comprising storing acrylic acid in a storage tank, wherein a process liquid containing 50 mass % or more of acrylic acid is subjected to at least one filtering operation at 15 to 70° C. when the process liquid is supplied to the storage tank.Type: ApplicationFiled: January 19, 2007Publication date: July 26, 2007Inventors: Koji Ueno, Yoshitake Ishii
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Publication number: 20070139355Abstract: There are provided a display device which consumes little power and which is suitable for displaying multiple contents, and an automotive vehicle having the same. The display device according to the present invention includes a display panel having a first display section and a second display section, and driving circuitry for driving the display panel. The driving circuitry includes a first scanning line driving circuit for supplying a scanning signal to scanning line of the first display section, a first signal line driving circuit for supplying a data signal to signal lines of the first display section, a second scanning line driving circuit for supplying a scanning signal to scanning lines of the second display section, and a second signal line driving circuit for supplying a data signal for signal lines of the second display section. The driving circuitry is capable of driving the first display section and the second display section with different vertical scanning frequencies.Type: ApplicationFiled: February 14, 2005Publication date: June 21, 2007Applicant: SHARP KABUSHIKI KAISHAInventors: Kentaro Ryuh, Koji Ueno, Hidetaka Mizumaki
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Publication number: 20060225651Abstract: An apparatus for manufacturing a semiconductor device includes: a process chamber configured to contain a substrate having an insulation film; a heating unit configured to degas the substrate; a gas monitor configured to monitor an amount of gas released from the insulation film; a controller configured to control the heating unit to stop the degassing, by determining an endpoint of the degassing using the monitored amount of the released gas; and a film deposition unit configured to deposit a metal film on the insulation film.Type: ApplicationFiled: February 15, 2006Publication date: October 12, 2006Inventors: Koji Ueno, Kazutaka Akiyama
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Patent number: 6622942Abstract: An oil mist discharger (1) is disclosed. The oil mist discharger (1) utilizes a flow regulator (27) which comprises a main passage (28), sub-passages (29) and an agitation chamber (30). Differential pressure between air and oil is created and utilized in drawing oil into an oil feed chamber (39) to be mixed with air. The oil-containing air is sent to the flow regulator (27) and fed into the agitation chamber (30) via the main passage (28) and sub-passages (29) in jet streams to be transformed into a well blended oil mist, which is discharged from a discharge nozzle.Type: GrantFiled: April 17, 2001Date of Patent: September 23, 2003Assignees: K. K. Ueno Tekkojo, Tanaka Import Group, K. K.Inventors: Koji Ueno, Motohiro Tanaka
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Patent number: 6447955Abstract: A lithium secondary battery comprises a natural graphite as a negative electrode capable of occluding and discharging lithium ion, in which the natural graphite has been heat treated at a temperature of from 2,400-3,000° C. The heat treatment removes impurities from natural graphite. As a result, the electrolyte solution used for the battery hardly decomposes during charge and discharge and self discharge hardly occurs during storage of the battery.Type: GrantFiled: June 27, 1996Date of Patent: September 10, 2002Assignee: Sanyo Electric Co., Ltd.Inventors: Masatoshi Takahashi, Ryuji Ohshita, Koji Ueno, Koji Nishio, Toshihiko Saitoh
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Publication number: 20010038042Abstract: An oil mist discharger (1) is disclosed. The oil mist discharger (1) utilizes a flow regulator (27) which comprises a main passage (28), sub-passages (29) and an agitation chamber (30). Differential pressure between air and oil is created and utilized in drawing oil into an oil feed chamber (39) to be mixed with air. The oil-containing air is sent to the flow regulator (27) and fed into the agitation chamber (30) via the main passage (28) and sub-passages (29) in jet streams to be transformed into a well blended oil mist, which is discharged from a discharge nozzle.Type: ApplicationFiled: April 17, 2001Publication date: November 8, 2001Inventors: Koji Ueno, Motohiro Tanaka
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Patent number: 6143213Abstract: The present invention discloses a secondary cell. The secondary cell comprises a positive electrode, a negative electrode which is made of a carbon material, and non-aqueous electrolytic solution, wherein the secondary cell is characterized in that the carbon material as the material of the negative electrode is produced by carbonizing natural high polymers.Type: GrantFiled: August 9, 1993Date of Patent: November 7, 2000Assignee: Sanyo Electric Co., Ltd.Inventors: Nobuhiro Furukawa, Masahisa Fujimoto, Noriyuki Yoshinaga, Koji Ueno
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Patent number: 5993997Abstract: Provided is a novel lithium secondary battery comprising a positive electrode comprising a compound capable of occluding and discharging lithium, a negative electrode composed mainly of a carbon material which comprises a graphite as an only or as a principal component, a separator between said positive electrode and said negative electrode; and an electrolyte solution of an electrolyte solute dissolved in a solvent comprising at least one specific cyclic compound. The lithium secondary battery has a large capacity, small self-discharge rate and excellent cycle characteristics and high charge-discharge efficiency.Type: GrantFiled: March 30, 1998Date of Patent: November 30, 1999Assignee: Sanyo Electric Co., LtdInventors: Masahisa Fujimoto, Noriyuki Yoshinaga, Koji Ueno, Nobuhiro Furukawa, Toshiyuki Nohma, Masatoshi Takahashi
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Patent number: 5882818Abstract: Provided is a novel lithium secondary battery including a positive electrode including a compound capable of occluding and discharging lithium, a negative electrode composed mainly of a carbon material which includes a graphite as an only or as a principal component, a separator between the positive electrode and the negative electrode; and an electrolyte solution of an electrolyte solute dissolved in a solvent including at least one specific cyclic compound.The lithium secondary battery has a large capacity, small self-discharge rate and excellent cycle characteristics and high charge-discharge efficiency.Type: GrantFiled: July 29, 1997Date of Patent: March 16, 1999Assignee: Sanyo Electric Co., Ltd.Inventors: Masahisa Fujimoto, Noriyuki Yoshinaga, Koji Ueno, Nobuhiro Furukawa, Toshiyuki Nohma, Masatoshi Takahashi
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Patent number: 5686138Abstract: Provided is a novel lithium secondary battery including a positive electrode including a compound capable of occluding and discharging lithium, a negative electrode composed mainly of a carbon material which includes a graphite as an only or as a principal component, a separator between the positive electrode and the negative electrode; and an electrolyte solution of an electrolyte solute dissolved in a solvent including at least one specific cyclic compound.The lithium secondary battery has a large capacity, small self-discharge rate and excellent cycle characteristics and high charge-discharge efficiency.Type: GrantFiled: January 24, 1994Date of Patent: November 11, 1997Assignee: Sanyo Electric Co., Ltd.Inventors: Masahisa Fujimoto, Noriyuki Yoshinaga, Koji Ueno, Nobuhiro Furukawa, Toshiyuki Nohma, Masatoshi Takahashi
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Patent number: 5378561Abstract: The present invention provides a secondary cell with an enlarged capacity, therefore enlarging a discharge capacity as well as improving charge/discharge cycle characteristics. The secondary cell has a carbon material for a negative electrode, wherein the spacing of (002) planes d.sub.002, a true density, a crystallite size in the direction of c axis Lc, a and specific surface area of the carbon material are restricted to ranges of 3.39.ANG. to 3.62.ANG., 1.70 g/cc to 2.20 g/cc, 10.ANG. to 50.ANG., and 2 m.sup.2 /g to 50 m.sup.2, respectively. The carbon material is selected from a carbon material group consisting of needle cokes, pitch cokes, and coke derived from furfuryl alcohol.Type: GrantFiled: September 1, 1992Date of Patent: January 3, 1995Assignee: Sanyo Electric Co., Ltd.Inventors: Nobuhiro Furukawa, Masahisa Fujimoto, Noriyuki Yoshinaga, Koji Ueno
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Patent number: 5358805Abstract: A secondary battery is comprised at a positive electrode, an electrolyte and a negative electrode which intercalates lithium reversibly. The negative electrode uses a carbon compound having a crystal structure of graphite in which carbon (C) is partially replaced by both boron (B) and nitrogen (N) and has the formula BC.sub.3 N or in which (C) is partially replaced by boron (B) and has the formula BC.sub.3. In the battery, the positive electrode may be a metal chalcogen or metal oxide, such as FeS.sub.2, MoS.sub.2, TiS.sub.2, LiNiO.sub.2, LiMn.sub.2 O.sub.3, LiFeO.sub.2 LiCoO.sub.2 or MnO.sub.2. The electrolyte may be a nonaqueous electrolyte or a solid electrolyte. The non-aqueous electrolyte uses an organic solvent and a lithium salt.Type: GrantFiled: February 23, 1993Date of Patent: October 25, 1994Assignee: Sanyo Electric Co., Ltd.Inventors: Masahisa Fujimoto, Noriyuki Yoshinaga, Koji Ueno, Kazuro Moriwaki, Koji Nishio
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Patent number: 5026959Abstract: This invention relates to a microwave radiator for warming therapy inserted into a human body to cure focuses of the body such as tumors. It has a first and second high-frequency coaxial cable. The second high-frequency coaxial cable has an inner conductor and a plurality of ring conductors disposed at the outer periphery of the inner conductor via a dielectric. The second high-frequency coaxial cable is inserted into the focuses of the body, and warming therapy can be conducted using radiated electromagnetic waves.Type: GrantFiled: October 18, 1989Date of Patent: June 25, 1991Assignee: Tokyo Keiki Co. Ltd.Inventors: Koichi Ito, Motomu Matsunaga, Satoru Kurokawa, Koji Ueno