Patents by Inventor Saburo Suzuki
Saburo Suzuki 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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Publication number: 20240151954Abstract: A first lens group (G1) having positive refractive power, a second lens group (G2) having negative refractive power, a third lens group (G3) having positive refractive power, a fourth lens group (G4) having negative refractive power, and a fifth lens group (G5) having positive refractive power are arranged in order from an object, and zooming is performed by changing distances between each lens group, and the first lens group (G1) is composed of three or more lenses, the fourth lens group (G4) is composed of two or less lenses, and the fifth lens group (G5) is composed of two or less lenses and moves to an image surface side upon zooming from a wide angle end state to a telephoto end state, and the following conditional expression (1) is satisfied. 8.40<f1/(?f2)??(1) where, f1 denotes a focal length of the first lens group (G1), and f2 denotes a focal length of the second lens group (G2).Type: ApplicationFiled: January 16, 2024Publication date: May 9, 2024Inventors: Atsushi SUZUKI, Kenji ISHIDA, Saburo MASUGI
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Patent number: 11914125Abstract: A first lens group (G1) having positive refractive power, a second lens group (G2) having negative refractive power, a third lens group (G3) having positive refractive power, a fourth lens group (G4) having negative refractive power, and a fifth lens group (G5) having positive refractive power are arranged in order from an object, and zooming is performed by changing distances between each lens group, and the first lens group (G1) is composed of three or more lenses, the fourth lens group (G4) is composed of two or less lenses, and the fifth lens group (G5) is composed of two or less lenses and moves to an image surface side upon zooming from a wide angle end state to a telephoto end state, and the following conditional expression (1) is satisfied. 8.40<f1/(?f2)??(1) where, f1 denotes a focal length of the first lens group (G1), and f2 denotes a focal length of the second lens group (G2).Type: GrantFiled: October 12, 2020Date of Patent: February 27, 2024Assignee: Nikon CorporationInventors: Atsushi Suzuki, Kenji Ishida, Saburo Masugi
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Patent number: 8609295Abstract: For an enhanced rigidity and suppressed occurrences of stress concentration, a solid-electrolyte fuel cell is configured with simplex cells, a metallic separator of a circular thin-sheet form having a gas introducing port and gas discharging ports in the central portion, and cell mounting parts for the simplex cells to be fixed thereto, another metallic separator of a circular thin-sheet form having a gas introducing port and gas discharging ports in the central portion, the separators defining a space in between, and a pair of flow channel members accommodated in the space and pressed to be brought into abutment, for communication of their channels with the gas introducing ports and the gas discharging ports to effect gas supply and gas discharge to and from the space, either flow channel member being joined, within the space, to one separator.Type: GrantFiled: October 21, 2005Date of Patent: December 17, 2013Assignees: Nissan Motor Co., Ltd., Saijo INX Co., Ltd.Inventors: Shigeo Ibuka, Keiko Kushibiki, Yasushi Nakajima, Saburo Suzuki, Tatsuya Suzuki, Katsunori Matsui, Koji Nakatani
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Publication number: 20080206614Abstract: For an enhanced rigidity and suppressed occurrences of stress concentration, a solid-electrolyte fuel cell is configured with simplex cells, a metallic separator of a circular thin-sheet form having a gas introducing port and gas discharging ports in the central portion, and cell mounting parts for the simplex cells to be fixed thereto, another metallic separator of a circular thin-sheet form having a gas introducing port and gas discharging ports in the central portion, the separators defining a space in between, and a pair of flow channel members accommodated in the space and pressed to be brought into abutment, for communication of their channels with the gas introducing ports and the gas discharging ports to effect gas supply and gas discharge to and from the space, either flow channel member being joined, within the space, to one separator.Type: ApplicationFiled: October 21, 2005Publication date: August 28, 2008Inventors: Shigeo Ibuka, Keiko Kushibiki, Yasushi Nakajima, Saburo Suzuki, Tatsuya Suzuki, Katsunori Matsui, Koji Nakatani
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Patent number: 6976836Abstract: In a biaxial stretch blow molding apparatus (10) for wide-mouthed containers, preforms (6) that are in an inverted state are conveyed on a single plane by preform carriers (40) that go around a carrier circuit (30) in the form of a loop, are heated via a heating station (60), and are then transferred via a transfer station (80) to stretch blow molding mold assemblies (72) that go around a circular looped path (71). The molded wide-mouthed containers (1) are taken out of the stretch blow molding mold assemblies (72) along a conveying path on a same plane and collected by a collection station (90). Wide-mouthed containers can be formed continuously and at high speed, which is less wasteful and more economical than the case where wide-mouthed containers that are formed from films.Type: GrantFiled: March 11, 2003Date of Patent: December 20, 2005Assignee: Frontier Inc.Inventor: Saburo Suzuki
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Publication number: 20030168782Abstract: In a biaxial stretch blow molding apparatus (10) for wide-mouthed containers, preforms (6) that are in an inverted state are conveyed on a single plane by preform carriers (40) that go around a carrier circuit (30) in the form of a loop, are heated via a heating station (60), and are then transferred via a transfer station (80) to stretch blow molding mold assemblies (72) that go around a circular looped path (71). The molded wide-mouthed containers (1) are taken out of the stretch blow molding mold assemblies (72) along a conveying path on a same plane and collected by a collection station (90). Wide-mouthed containers can be formed continuously and at high speed, which is less wasteful and more economical than the case where wide-mouthed containers that are formed from films.Type: ApplicationFiled: March 11, 2003Publication date: September 11, 2003Inventor: Saburo Suzuki
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Patent number: 6457967Abstract: A biaxially stretching blow molding apparatus perform biaxial stretch-molding for a preform into a predetermined shape by transporting a preform carrier supporting the preform along a transporting path extending across a heating portion and a stretch-molding portion, has first and second reversing means for reversing the preform carrier, and first and second transporting paths forming the transporting path. The first reversing means receives the preform carrier transported in up-side-down position along the second transporting path, reverses the received preform carrier into elected position, and transfers the preform carrier thus reversed to the first transporting path. The second reversing means receives the preform carrier transported in elected position along the first transporting path, reverses the received preform carrier into the up-side-down position, and transfers the preform carrier thus reversed to the second transporting path.Type: GrantFiled: June 30, 2000Date of Patent: October 1, 2002Assignee: Frontier Inc.Inventors: Saburo Suzuki, Masanobu Seki, Hidehiko Fukai
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Patent number: 6198601Abstract: A magnetic head element has one or more rails formed on the surface thereof. Each rail is formed so as to have a tapered angle of 55-85°. To form such a rail, ion milling is conducted; the rail substrate used is allowed to have an inclination angle to 15-60° and is rotated; and there is used, as the ion milling gas, a fluorinated hydrocarbon (e.g., CH2FCF3) gas alone or a mixed gas of said fluorinated hydrocarbon gas and Ar, SF6 or the like. Accordingly, a magnetic head rail shape gives a small variation in flying height between magnetic bead and magnetic disc.Type: GrantFiled: March 16, 1999Date of Patent: March 6, 2001Assignee: Hitachi, Ltd.Inventors: Yasuo Hira, Tamaki Toba, Hirotaka Imayama, Atsuko Ohkawa, Masayasu Fujisawa, Kazuo Nate, Hideki Sonobe, Saburo Suzuki, Eisei Togawa, Hiroshi Ishizaki, Yoshiki Hagiwara
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Patent number: 5910864Abstract: A magnetic head element has one or more rails formed on the surface thereof. Each rail is formed so as to have a tapered angle of 55-85.degree.. To form such a rail, ion milling is conducted; the rail substrate used is allowed to have an inclination angle to 15-60.degree. and is rotated; and there is used, as the ion milling gas, a fluorinated hydrocarbon (e.g., CH.sub.2 FCF.sub.3) gas alone or a mixed gas of said fluorinated hydrocarbon gas and Ar, SF.sub.6 or the like. Accordingly, a magnetic head rail shape gives a small variation in flying height between magnetic head and magnetic disc.Type: GrantFiled: October 22, 1996Date of Patent: June 8, 1999Assignee: Hitachi, Ltd.Inventors: Yasuo Hira, Tamaki Toba, Hirotaka Imayama, Atsuko Ohkawa, Masayasu Fujisawa, Kazuo Nate, Hideki Sonobe, Saburo Suzuki, Eisei Togawa, Hiroshi Ishizaki, Yoshiki Hagiwara
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Patent number: 5780069Abstract: The invention aims at enabling inexpensive manufacture of a preform carrying mechanism of a simple construction for a blow molding apparatus for biaxial stretching of hollow moldings such as PET bottles from preforms. The molding apparatus is provided with a linear carrying line for carrying preforms (P), and the carrying line comprises a beam (81), on which a multiplicity of carrying members (82) are supported, a carrying mechanism (83) and a lifting mechanism (84) for the beam. The carrying members (82) on the beam are repeatedly moved back and forth at a constant feed pitch by means of the mechanisms. A preform grasping/releasing mechanism (85) is actuated in synchronism with the movement so that while the respective carrying members (82) are caused to advance from backward positions, the preforms are delivered to the respective carrying members (82).Type: GrantFiled: February 9, 1996Date of Patent: July 14, 1998Assignee: Frontier, Inc.Inventor: Saburo Suzuki
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Patent number: 5687045Abstract: A thin film magnetic head comprising a sintered ceramic substrate, an underlayer, a bottom magnetic core film, a magnetic gap film, an insulating film containing coil windings, a top magnetic core film, and a protective layer. The substrate and other films and layers form an air bearing surface. The under layer, the magnetic gap film and the protective layer comprise Al.sub.2 O.sub.3, and the bottom and the top magnetic core films comprise Ni--Fe alloy. This structure gives substantially the same etching rate, when the air bearing surface is polished using a working fluid of pH 6-8, for any of the substrate, the films comprising Al.sub.2 O.sub.3 and metal oxide described above, and the films of Ni--Fe alloy. Thus, steps (pole top recessions) on the air bearing surface can be made as small as 0.015 .mu.m or less. Accordingly, the magnetic head can be held in a stable attitude, thus obtaining good recording characteristics.Type: GrantFiled: November 6, 1995Date of Patent: November 11, 1997Assignee: Hitachi, Ltd.Inventors: Tetsuya Okai, Moriaki Fuyama, Akira Onuma, Eiji Ashida, Hiroshi Ikeda, Saburo Suzuki, Yasuo Wakaki, Yoshiki Hagiwara, Eimi Ando
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Patent number: 5668685Abstract: A magnetic disc apparatus is disclosed, in which a magneto-resistance effect film converts a magnetic signal into an electrical signal by use of the magneto-resistance effect, a pair of electrodes supplies a signal detection current to the magneto-resistance effect film, and a magnetic domain control layer controls the magnetic domain of the magneto-resistance effect film. The magneto-resistance effect film, the electrodes and the magnetic domain control layer constitute a magnetic head of magneto-resistance effect type. An isolation film is formed in a magneto-sensitive portion of the magneto-resistance effect film between the magneto-resistance effect film and the magnetic domain control layer to break the magnetic coupling between the magneto-resistance effect film and the magnetic domain control layer.Type: GrantFiled: December 7, 1994Date of Patent: September 16, 1997Assignee: Hitachi, Ltd.Inventors: Susumu Soeya, Shigeru Tadokoro, Takao Imagawa, Eiji Ashida, Moriaki Fuyama, Hiroshi Fukui, Saburo Suzuki, Masayuki Takagi, Shinji Narishige
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Patent number: 5648133Abstract: A resin container has a bottom structure which has a central recessed portion containing substantially no crystal, a marginal raised portion crystallized by molecular orientation, and an intermediate ring-shaped portion crystallized to have spherulite-like crystals.The bottom structure highly improves the heat-resistance at the intermediate portion, while maintaining the central recessed portion at a good impact-resistance.Type: GrantFiled: September 30, 1991Date of Patent: July 15, 1997Assignee: Nissei ASB Machine Co., Ltd.Inventors: Saburo Suzuki, Hiroyuki Orimoto, Fumiya Amari
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Patent number: 5641451Abstract: A heat-resistant container forming method includes a step of thermally shrinking a primary blow molded article in a heating furnace before secondary blow molding the primary blow molded article into a final product or container. Into the furnace, hot air which flows along the longitudinal direction of the first blow molded article and whose temperature enough to facilitate crystallization of the primary blow molded article. The primary blow molded article is thermally shrunk by exposing the entire circumferential surface of a barrel of the primary blow article to the hot air and by blowing the hot air longitudinally along the primary blow molded article to heat the barrel circumferentially uniformly. Since hot air touches the barrel as flowing longitudinally thereof, it is possible to increase the heat conductivity of boundary film of the primary blow molded article, without increasing the hot air temperature too high, so that temperature rise of the primary blow molded article is facilitated.Type: GrantFiled: March 14, 1995Date of Patent: June 24, 1997Assignee: Nissei ASB Machine Co., Ltd.Inventors: Hiroyuki Orimoto, Katsumasa Yokota, Fumiya Amari, Saburo Suzuki
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Patent number: 5567333Abstract: A magnetic head element has one or more rails formed on the surface thereof. Each rail is formed so as to have a tapered angle of 55.degree.-85.degree.. To form such a rail, ion milling is conducted; the rail substrate used is allowed to have an inclination angle to 15.degree.-60.degree. and is rotated; and there is used, as the ion milling gas, a fluorinated hydrocarbon (e.g. CH.sub.2 FCF.sub.3) gas alone or a mixed gas of said fluorinated hydrocarbon gas and Ar, SF.sub.6 or the like. Accordingly, a magnetic head rail shape gives a small variation in flying height between magnetic head and magnetic disc.Type: GrantFiled: June 22, 1994Date of Patent: October 22, 1996Assignee: Hitachi, Ltd.Inventors: Yasuo Hira, Tamaki Toba, Hirotaka Imayama, Atsuko Ohkawa, Masayasu Fujisawa, Kazuo Nate, Hideki Sonobe, Saburo Suzuki, Eisei Togawa, Hiroshi Ishizaki, Yoshiki Hagiwara
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Patent number: 5540879Abstract: A method of producing a blow-molded PET container suitable for hot-filling includes the steps of injection molding a preform, blow-molding the preform into a primary molded article larger than the desired final container, heating the primary article in a series of oven chambers while its mouth is sealed so that pressure builds within the article to thereby control shrinkage, and blow-molding the shrunken article into the desired container. The two molds are preferably heated, and the mold contact time is as long as allowed by the manufacturing process to help remove internal stresses in the article. An apparatus for carrying out the method includes a first machine having an injection station, a thermal conditioning station, a primary blow-molding station, and an exit station. A second machine includes the oven chambers and a final blow-molding station.Type: GrantFiled: April 19, 1994Date of Patent: July 30, 1996Assignee: Nissei ASB Machine Co., Ltd.Inventors: Hiroyuki Orimoto, Saburo Suzuki, Fumiya Amari
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Patent number: 5501590Abstract: An apparatus for blow-molding PET containers suitable for hot-filling includes a first machine having an injection station, a thermal conditioning station, a primary blow-molding station, and an exit station. A second machine includes the oven chambers and a final blow-molding station. The primary article is sealed by a cap member that has a pressure relief valve connected to it to limit the internal pressure during heating, an air supply passage for final blow-molding, and a tensioning rod for insertion into the primary article and engaging a pocket in the center of the article's bottom. In some applications, it is necessary to stiffen the neck, particularly when hot-filling at about 200.degree. F. or higher, or when using a closure roll-on die or a lugged neck finish to apply a bottle cap to the final container.Type: GrantFiled: March 16, 1995Date of Patent: March 26, 1996Assignee: Nissei ASB Machine Co., Ltd.Inventors: Hiroyuki Orimoto, Saburo Suzuki, Fumiya Amari
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Patent number: 5445515Abstract: A heat-resistant container forming method includes a step of thermally shrinking a primary blow molded article in a heating furnace before secondary blow molding the primary blow molded article into a final product or container. Into the furnace, hot air which flows along the longitudinal direction of the first blow molded article and whose temperature enough to facilitate crystallization of the primary blow molded article. The primary blow molded article is thermally shrunk by exposing the entire circumferential surface of a barrel of the primary blow article to the hot air and by blowing the hot air longitudinally along the primary blow molded article to heat the barrel circumferentially uniformly. Since hot air touches the barrel as flowing longitudinally thereof, it is possible to increase the heat conductivity of boundary film of the primary blow molded article, without increasing the hot air temperature too high, so that temperature rise of the primary blow molded article is facilitated.Type: GrantFiled: October 12, 1993Date of Patent: August 29, 1995Assignee: Nissei ASB Machine Co., Ltd.Inventors: Hiroyuki Orimoto, Katsumasa Yokota, Fumiya Amari, Saburo Suzuki
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Patent number: 5352402Abstract: A method of producing a blow-molded PET container suitable for hot-filling includes the steps of injection molding a preform, blow-molding the preform into a primary molded article larger than the desired final container, heating the primary article in a series of oven chambers while its mouth is sealed so that pressure builds within the article to thereby control shrinkage, and blow-molding the shrunken article into the desired container. The two molds are preferably heated, and the mold contact time is as long as allowed by the manufacturing process to help remove internal stresses in the article. An apparatus for carrying out the method includes a first machine having an injection station, a thermal conditioning station, a primary blow-molding station, and an exit station. A second machine includes the oven chambers and a final blow-molding station.Type: GrantFiled: December 14, 1992Date of Patent: October 4, 1994Assignee: Nissei ASB Machine Co., Ltd.Inventors: Hiroyuki Orimoto, Saburo Suzuki, Fumiya Amari
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Patent number: 5241440Abstract: A thin film magnetic head including conductor coils, a plurality of insulating layers to interpose and insulate the conductor coils and a magnetic gap layer between upper and lower magnetic cores, in which another insulating layer is provided on a stepped region formed by end faces of the plurality of insulating layers.Type: GrantFiled: June 29, 1992Date of Patent: August 31, 1993Assignee: Hitachi, Ltd.Inventors: Eizi Ashida, Moriaki Fuyama, Hideki Yamazaki, Shinji Narishige, Makoto Morijiri, Takashi Kawabe, Shunichiro Kuwatsuka, Saburo Suzuki, Eisei Togawa