Patents by Inventor Kazuo Sakai
Kazuo Sakai 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: 8471484Abstract: A capacitor is connected between direct current voltage terminals, and inductance means is connected between one end of the capacitor and one of load terminals. In a case in which the direct current voltage exceeds a set value, voltage at both ends of the capacitor is shared by the first and second switching elements that are not electrically conductive; in a case in which the direct current voltage is below the set value, the first and second switching elements are electrically conductive on a periodic basis or as needed to output reversed-polarity voltage between load terminals; and in a case in which the first and second switching elements are turned off, voltage at both ends of the capacitor restricts voltage applied to both ends of the first and second switching elements, during a period in which the first and second feedback rectifier elements are electrically conductive.Type: GrantFiled: July 29, 2011Date of Patent: June 25, 2013Assignee: Origin Electric Company, LimitedInventors: Kiyomi Watanabe, Kazuo Sakai, Kenichi Nakamura
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Publication number: 20120025726Abstract: A capacitor is connected between direct current voltage terminals, and inductance means is connected between one end of the capacitor and one of load terminals. In a case in which the direct current voltage exceeds a set value, voltage at both ends of the capacitor is shared by the first and second switching elements that are not electrically conductive; in a case in which the direct current voltage is below the set value, the first and second switching elements are electrically conductive on a periodic basis or as needed to output reversed-polarity voltage between load terminals; and in a case in which the first and second switching elements are turned off, voltage at both ends of the capacitor restricts voltage applied to both ends of the first and second switching elements, during a period in which the first and second feedback rectifier elements are electrically conductive.Type: ApplicationFiled: July 29, 2011Publication date: February 2, 2012Applicant: ORIGIN ELECTRIC COMPANY, LIMITEDInventors: Kiyomi Watanabe, Kazuo Sakai, Kenichi Nakamura
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Publication number: 20110065749Abstract: A method of treating a mental disorder including administering to a patient in need thereof, an effective amount of a pharmaceutical composition including 1,1-diphenyl-4-piperidine-1-ylbuthan-1-ol or a pharmaceutically acceptable salt thereof. The mental disorder is depression, bipolar disorder, anxiety disorder, impulsive disorder, bulimia, panic disorder, social anxiety disorder, insomnia, attention deficit hyperactivity disorder (ADHD), schizophrenia, dementia, personality disorder, alcoholism, dissociative disorder, sleep apnea syndrome, or fibromyalgia. In a preferred embodiment, the mental disorder as a therapeutic target is fibromyalgia, chronic fatigue syndrome (CFS), or depression with pain, and the administration of the pharmaceutical composition is capable of reducing the pain caused by these diseases.Type: ApplicationFiled: June 2, 2009Publication date: March 17, 2011Applicant: ACTIVE CO. LTD.Inventor: Kazuo Sakai
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Publication number: 20090203738Abstract: Provided is a pharmaceutical composition for the treatment of bulimia in which a cholinesterase inhibitor is combined with at least one member selected from the group consisting of sibutramine, a pharmacologically acceptable salt thereof, an active metabolite thereof, a prodrug thereof and a solvate thereof. The pharmaceutical composition is useful in treating bulimia and depression arising from bulimia.Type: ApplicationFiled: September 22, 2006Publication date: August 13, 2009Applicant: Eisai R&D Management Co., Ltd.Inventor: Kazuo Sakai
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Patent number: 7330334Abstract: A magnetic disk apparatus includes a plurality of magnetic disks driven to rotate by a spindle motor, arms supporting magnetic heads on the magnetic disks, an actuator for moving the arms on the magnetic disks by a voice coil motor, and a housing which surrounds the magnetic disks, the arms and the actuator. A shroud which arcuately surrounds the magnetic disks along the outer periphery thereof has an opened portion for inserting the arms is formed in a part of the housing. The shroud on an upstream side of the arms relative to airflow generated by the magnetic disks when rotating is provided with an opening having a greater width than that of a gap defined between the shroud and the outer periphery of the magnetic disks. An empty bypass channel is provided which communicates from the opening through a rear side of the voice coil motor to the downstream side of the arms.Type: GrantFiled: May 16, 2005Date of Patent: February 12, 2008Assignee: Hitachi Global Storage Technologies Japan, Ltd.Inventors: Hayato Shimizu, Masao Iwakura, Shigeo Nakamura, Kazuo Sakai, Shigenori Togashi, Masayuki Kaiho, Toshiaki Kobari, Mikio Tokuyama, Satomitsu Imai, Shozo Saegusa, Masahiko Sega, Toshihisa Okazaki, Yuzo Yamaguchi
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Patent number: 7244343Abstract: A sputtering apparatus is provided with a DC power supply 1, an inverter 2 that converts DC voltage to AC voltage, a matching circuit 10 that transforms the AC voltage, a rectifier 4 that converts the transformed AC voltage to direct current, and a sputtering load 6. The matching circuit 10 has a transformer 3 that transforms AC voltage from the inverter 2, inductance L provided in series with at least one of the primary winding 31 and secondary winding 32, and a condenser C provided in parallel with at least one of the primary winding 31 and secondary winding 32 through inductance L.Type: GrantFiled: August 28, 2003Date of Patent: July 17, 2007Assignee: Origin Electric Company LimitedInventors: Kiyomi Watanabe, Kiyoshi Komatsu, Kazuo Sakai, Hiroyuki Ikoshi, Tetsuya Matsumoto, Toshio Kobayashi, Tadashi Masuda
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Publication number: 20070159063Abstract: An electroluminescent phosphor comprising particles of a phosphor and particles of an electron-emitting material not originating from atoms constituting the host material of the phosphor and an activator. The particles of the electron-emitting material is contained inside the phosphor particles or included between the phosphor particles in close contact with the phosphor particles. An electroluminescent element has a light emitting layer containing the electroluminescent phosphor. Another electroluminescent element has a light emitting layer containing particles of a phosphor and particles of an electron-emitting material composed of a conductive compound not originating from the atoms constituting the host material of the phosphor and the activator. The proportion of the electron-emitting material to the light emitting layer is 1-75 weight %. A high-luminous efficiency and high-luminance electroluminescent element can be produced.Type: ApplicationFiled: March 4, 2005Publication date: July 12, 2007Applicants: Kabushiki Kaisha Toshiba, Fuji Pigment Co., Ltd.Inventors: Shunichi Kubota, Takeo Ito, Kazuo Sakai
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Publication number: 20070053976Abstract: A novel antidepressant composition of a cholinesterase inhibitor in combination with a selective serotonin reuptake inhibitor, milnacipran or duloxetine is disclosed, which has a significantly high therapeutic effect as compared with conventional antidepressants. The therapeutic method using a cholinesterase inhibitor in combination with a selective serotonin reuptake inhibitor, milnacipran or duloxetine is beneficial for the treatment of depression, in particular, refractory depression.Type: ApplicationFiled: September 20, 2006Publication date: March 8, 2007Applicant: Eisai R & D Management Co., Ltd.Inventors: Kazuo Sakai, John Ieni, Raymond Pratt
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Patent number: 7166956Abstract: A metal back-attached phosphor screen comprises a metal back layer that has a high-reflectance, high-resistance layer consisting of an In-, Sn- or Bi-oxide layer. The metal back layer of the metal back-attached phosphor screen may have a laminate structure including a high-reflectance layer formed on a phosphor layer side and a high-resistance layer formed on that layer. The high-reflectance layer may be formed of Al, In, Sn or Bi. The high-resistance layer may be formed of an Al-, In-, Sn-, Bi- or Si-oxide or nitride. A high-brightness metal back-attached phosphor screen is provided that prevents the destruction or the deterioration of an electron emission element and a phosphor screen by discharging.Type: GrantFiled: July 12, 2002Date of Patent: January 23, 2007Assignees: Kabushiki Kaisha Toshiba, Nikka Techno, Inc., Fuji Pigment Co., Ltd.Inventors: Takeo Ito, Hajime Tanaka, Tomoko Nakazawa, Masaaki Inamura, Taichiro Nakayama, Takaaki Shinohara, Yoichiro Nakayama, Kazuo Sakai
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Patent number: 7157843Abstract: A transfer film comprising a base film (11), a parting-agent layer (12), a protective film (13), and a metal film (14), the latter three being formed on the base film (11) in order, wherein the protective film (13) contains a softening agent such as a phosphate, an aliphatic monobasic acid ester, an aliphatic dibasic acid ester, or a dihydric alcohol ester. By using such a transfer film, a metal back layer is formed. Since the transfer layer of the transfer film has a surface resistivity of as high as 102–108 ?/, the surface resistivity of the formed metal back layer is high, and discharge is suppressed.Type: GrantFiled: November 3, 2004Date of Patent: January 2, 2007Assignees: Kabushiki Kaisha Toshiba, Nikka Techno, Inc., Fuji Pigment Co., Ltd.Inventors: Takeo Ito, Hajime Tanaka, Tomoko Nakazawa, Taichiro Nakayama, Takaaki Shinohara, Yoichiro Nakayama, Kazuo Sakai
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Publication number: 20060138664Abstract: An electron source device includes a porous layer (for example, porous alumina layer) which is composed of an insulator and has many microscopic holes provided in a direction perpendicular to a main surface, and first and second conductor layers placed on both sides of the porous layer, and is characterized in that the current density I/S is 1 ?A/cm2 or higher when a direct-current voltage is applied between the second conductor layer and the fist conductor layer while using the second conductor layer as an anode. In this case, S represents the overlapping area of the first conductor layer, the second conductor layer and the porous layer. Consequently, an electron source device having a high electron emission ability and a long life even when the degree of vacuum is low can be obtained at low cost, and hence, a display having a high luminous efficiency and high reliability can be realized.Type: ApplicationFiled: November 25, 2003Publication date: June 29, 2006Applicants: Kabushiki Kaisha Toshiba, Fuji Pigment Co., Ltd.Inventors: Takeo Ito, Hidemi Matsuda, Masaaki Inamura, Hajime Tanaka, Kazuo Sakai
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Patent number: 6998791Abstract: This discharge power supply apparatus is for supplying a D.C. voltage to a discharge load 6 and discharging the same. The discharge power supply apparatus includes an inverter circuit 2 that converts D.C. voltage to A.C. voltage; a transformer 3 having a primary winding 3a to which the A.C. voltage output by the inverter circuit 2 is supplied and a secondary winding 3b; a full-wave rectifier circuit 4 that has a plurality of diodes 4A to 4D and rectifies the A.C. voltage generated by the secondary winding 3b; and a trigger capacitor 7 connected in parallel to a part of the diodes of the full-wave rectifier circuit 4.Type: GrantFiled: September 30, 2003Date of Patent: February 14, 2006Assignee: Origin Electric Company, LimitedInventors: Toshio Kobayashi, Tetsuya Matsumoto, Tadashi Masuda, Hiroyuki Ikoshi, Kazuo Sakai, Kiyoshi Komatsu, Kiyomi Watanabe
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Patent number: 6994767Abstract: A method for adhering a friction material for a lockup clutch, with which a friction material is adhered to a flat surface of a core plate, comprises a disposing step of disposing the friction material between a heated member and the flat surface of the core plate, a pressing/heating step of bringing the heated member into contact with the core plate and applying load to the core plate by a plurality of pins from a back side opposite to the flat surface of the core plate, and a step of maintaining a state under the above-mentioned pressing/heating step for a predetermined time.Type: GrantFiled: February 13, 2003Date of Patent: February 7, 2006Assignee: NSK-Warner K.K.Inventors: Kazuo Sakai, Masayuki Takagi
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Publication number: 20050219741Abstract: A magnetic disk apparatus includes a plurality of magnetic disks driven to rotate by a spindle motor, arms supporting magnetic heads on the magnetic disks, an actuator for moving the arms on the magnetic disks by a voice coil motor, and a housing which surrounds the magnetic disks, the arms and the actuator. A shroud which arcuately surrounds the magnetic disks along the outer periphery thereof has an opened portion for inserting the arms is formed in a part of the housing. The shroud on an upstream side of the arms relative to airflow generated by the magnetic disks when rotating is provided with an opening having a greater width than that of a gap defined between the shroud and the outer periphery of the magnetic disks. An empty bypass channel is provided which communicates from the opening through a rear side of the voice coil motor to the downstream side of the arms.Type: ApplicationFiled: May 16, 2005Publication date: October 6, 2005Inventors: Hayato Shimizu, Masao Iwakura, Shigeo Nakamura, Kazuo Sakai, Shigenori Togashi, Masayuki Kaiho, Toshiaki Kobari, Mikio Tokuyama, Satomitsu Imai, Shozo Saegusa, Masahiko Sega, Toshihisa Okazaki, Yuzo Yamaguchi
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Patent number: 6898049Abstract: A magnetic disk apparatus includes magnetic disks stacked on a rotating shaft, arms supporting magnetic heads, a rotary actuator for moving the arms, and a housing forming at least a part of an arcuate-shaped shroud which substantially surrounds a portion of side surfaces of the magnetic disks so as to define a gap between the shroud and the portion of the side surfaces of the magnetic disks. The arcuate-shaped shroud has portions delimiting an open space adjacent to another portion of the side surfaces of the magnetic disks which is located on a downstream side of the arms relative to an air flow which moves on surfaces of the magnetic disks. A bypass channel provides air flow to the disks in a region of the open space at a reduced pressure on the downstream side of the arms with respect to pressure at an upstream side of the arms.Type: GrantFiled: April 9, 2003Date of Patent: May 24, 2005Assignee: Hitachi, Ltd.Inventors: Hayato Shimizu, Masao Iwakura, Shigeo Nakamura, Kazuo Sakai, Shigenori Togashi, Masayuki Kaiho, Toshiaki Kobari, Mikio Tokuyama, Satomitsu Imai, Shozo Saegusa, Masahiko Sega, Toshihisa Okazaki, Yuzo Yamaguchi
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Publication number: 20050062394Abstract: A transfer film comprising a base film (11), a parting-agent layer (12), a protective film (13), and a metal film (14), the latter three being formed on the base film (11) in order, wherein the protective film (13) contains a softening agent such as a phosphate, an aliphatic monobasic acid ester, an aliphatic dibasic acid ester, or a dihydric alcohol ester. By using such a transfer film, a metal back layer is formed. Since the transfer layer of the transfer film has a surface resistivity of as high as 102-108 ?/, the surface resistivity of the formed metal back layer is high, and discharge is suppressed.Type: ApplicationFiled: November 3, 2004Publication date: March 24, 2005Applicants: KABUSHIKI KAISHA TOSHIBA, NIKKA TECHNO, INC., FUJI PIGMENT CO., LTD.Inventors: Takeo Ito, Hajime Tanaka, Tomoko Nakazawa, Taichiro Nakayama, Takaaki Shinohara, Yoichiro Nakayama, Kazuo Sakai
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Publication number: 20050045475Abstract: A sputtering apparatus is provided with a DC power supply 1, an inverter 2 that converts DC voltage to AC voltage, a matching circuit 10 that transforms the AC voltage, a rectifier 4 that that converts the transformed AC voltage to direct current, and a sputtering load 6. The matching circuit 10 has a transformer 3 that transforms AC voltage from the inverter 2, inductance L provided in series with at least one of the primary winding 31 and secondary winding 32, and a condenser C provided in parallel with at least one of the primary winding 31 and secondary winding 32 through inductance L.Type: ApplicationFiled: August 28, 2003Publication date: March 3, 2005Inventors: Kiyomi Watanabe, Kiyoshi Komatsu, Kazuo Sakai, Hiroyuki Ikoshi, Tetsuya Matsumoto, Toshio Kobayashi, Tadashi Masuda
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Publication number: 20050007034Abstract: This discharge power supply apparatus is for supplying a D. C. voltage to a discharge load 6 and discharging the same. The discharge power supply apparatus includes an inverter circuit 2 that converts D. C. voltage to A. C. voltage; a transformer 3 having a primary winding 3a to which the A. C. voltage output by the inverter circuit 2 is supplied and a secondary winding 3b; a full-wave rectifier circuit 4 that has a plurality of diodes 4A to 4D and rectifies the A. C. voltage generated by the secondary winding 3b; and a trigger capacitor 7 connected in parallel to a part of the diodes of the full-wave rectifier circuit 4.Type: ApplicationFiled: September 30, 2003Publication date: January 13, 2005Inventors: Toshio Kobayashi, Tetsuya Matsumoto, Tadashi Masuda, Hiroyuki Ikoshi, Kazuo Sakai, Kiyoshi Komatsu, Kiyomi Watanabe
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Patent number: 6841926Abstract: A transfer film comprising a base film (11), a parting-agent layer (12), a protective film (13), and a metal film (14), the latter three being formed on the base film (11) in order, wherein the protective film (13) contains a softening agent such as a phosphate, an aliphatic monobasic acid ester, an aliphatic dibasic acid ester, or a dihydric alcohol ester. By using such a transfer film, a metal back layer is formed. Since the transfer layer of the transfer film has a surface resistivity of as high as 102-108 ?/, the surface resistivity of the formed metal back layer is high, and discharge is suppressed.Type: GrantFiled: February 2, 2001Date of Patent: January 11, 2005Assignees: Kabushiki Kaisha Toshiba, Nikka Techno, Inc., Fuji Pigment Co., Ltd.Inventors: Takeo Ito, Hajime Tanaka, Tomoko Nakazawa, Taichiro Nakayama, Takaaki Shinohara, Yoichiro Nakayama, Kazuo Sakai
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Publication number: 20040259456Abstract: Phosphor layers are formed on the inner surface of a face plate. An electron source device that emits electrons to excite the phosphor layers is provided on the inner surface of a base plate. The electron source device comprises an alumina substrate that has a number of small through holes. Electron-emitting material is buried in the through holes. A reference electrode is formed on the lower surface of the alumina substrate and contacts the electron-emitting material. A gate electrode is formed on the upper surface of the substrate and insulated from the electron-emitting material. The gate electrode is configured to concentrate an electron field of the electron-emitting material by virtue of an voltage applied between the reference electrode and the gate electrode, thereby to cause the electron-emitting material to emit electrons toward the phosphor layers.Type: ApplicationFiled: November 18, 2003Publication date: December 23, 2004Inventors: Takeo Ito, Sadao Miki, Kazuo Sakai