Patents by Inventor Makoto Tajima
Makoto Tajima 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: 10533624Abstract: A stopper mechanism includes a second cylinder provided at an end portion in an inner cylinder, and a second piston configured to move along with movement of a piston rod to be capable of being fit-inserted through the second cylinder. The second piston includes a stopper coupled to the piston rod, a castle integrated with the stopper by plastic flow to form a ring groove on an outer periphery of the second piston between the castle and the stopper, and a piston ring fixed into a ring groove formed by the stopper and the castle so that the piston ring is displaceable in the ring groove in an axial direction and is retained in the ring groove, and has an annular shape with both ends in a circumferential direction which are formed by partially cutting the piston ring.Type: GrantFiled: June 13, 2016Date of Patent: January 14, 2020Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Yu Ishimaru, Naoki Ishibashi, Takayuki Ohno, Makoto Tajima
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Publication number: 20180195574Abstract: A stopper mechanism includes a second cylinder provided at an end portion in an inner cylinder, and a second piston configured to move along with movement of a piston rod to be capable of being fit-inserted through the second cylinder. The second piston includes a stopper coupled to the piston rod, a castle integrated with the stopper by plastic flow to form a ring groove on an outer periphery of the second piston between the castle and the stopper, and a piston ring fixed into a ring groove formed by the stopper and the castle so that the piston ring is displaceable in the ring groove in an axial direction and is retained in the ring groove, and has an annular shape with both ends in a circumferential direction which are formed by partially cutting the piston ring.Type: ApplicationFiled: June 13, 2016Publication date: July 12, 2018Inventors: Yu ISHIMARU, Naoki ISHIBASHI, Takayuki OHNO, Makoto TAJIMA
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Publication number: 20120084967Abstract: This invention discloses a polishing jig air injection apparatus including a polishing jig installation base including a surface on which a spectacle lens polishing jig is placed, an injection member which is inserted into an air injection port of the spectacle lens polishing jig, and an air supply device which supplies the air into a balloon member of the spectacle lens polishing jig via the injection member and the air injection port. The injection member includes a main body formed in a pillar shape, and a seal member. The main body includes an air passage, and an annular groove formed in the outer circumferential portion of the main body. The seal member is inserted into the annular groove, is formed in an annular shape, and uses an elastic body. The seal member has an outer diameter larger than the inner diameter of the air injection port.Type: ApplicationFiled: September 12, 2011Publication date: April 12, 2012Applicant: HOYA CORPORATIONInventors: Hideo Toriumi, Makoto Tajima, Kazuhiko Katagiri
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Patent number: 7392837Abstract: Tanks of a first heat exchanger have plane sections perpendicular to bottoms having a plurality of tube insertion holes formed therein. Tanks of a second heat exchanger with circular cross sections have bottoms having a plurality of tube insertion holes formed therein. The axes of the tube insertion holes of the first and second heat exchangers are held in parallel with each other. The second heat exchanger is in contact with the plane sections of the first heat exchanger tank.Type: GrantFiled: August 11, 2006Date of Patent: July 1, 2008Assignee: Calsonic Kansei CorporationInventors: Kenji Makino, Hiroyasu Koizumi, Minoru Tsuchiya, Kunio Matsugi, Hiroshi Chikuma, Satoshi Ishihara, Makoto Tajima, Yoshiki Tsuda, Toshiaki Yamamoto, Hideki Kobayashi, Katsumi Nakamura, Junichi Enari, Mamoru Baba
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Publication number: 20060278366Abstract: Tanks of a first heat exchanger have plane sections perpendicular to bottoms having a plurality of tube insertion holes formed therein. Tanks of a second heat exchanger with circular cross sections have bottoms having a plurality of tube insertion holes formed therein. The axes of the tube insertion holes of the first and second heat exchangers are held in parallel with each other. The second heat exchanger is in contact with the plane sections of the first heat exchanger tank.Type: ApplicationFiled: August 11, 2006Publication date: December 14, 2006Inventors: Kenji Makino, Hiroyasu Koizumi, Minoru Tsuchiya, Kunio Matsugi, Hiroshi Chikuma, Satoshi Ishihara, Makoto Tajima, Yoshiki Tsuda, Toshiaki Yamamoto, Hideki Kobayashi, Katsumi Nakamura, Junichi Enari, Mamoru Baba
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Patent number: 7108049Abstract: Tanks of a first heat exchanger have plane sections perpendicular to bottoms having a plurality of tube insertion holes formed therein. Tanks of a second heat exchanger with circular cross sections have bottoms having a plurality of tube insertion holes formed therein. The axes of the tube insertion holes of the first and second heat exchangers are held in parallel with each other. The second heat exchanger is in contact with the plane sections of the first heat exchanger tank.Type: GrantFiled: November 3, 2004Date of Patent: September 19, 2006Assignee: Calsonic Kansei CorporationInventors: Kenji Makino, Hiroyasu Koizumi, Minoru Tsuchiya, Kunio Matsugi, Hiroshi Chikuma, Satoshi Ishihara, Makoto Tajima, Yoshiki Tsuda, Toshiaki Yamamoto, Hideki Kobayashi, Katsumi Nakamura, Junichi Enari, Mamoru Baba
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Publication number: 20050092462Abstract: Tanks of a first heat exchanger have plane sections perpendicular to bottoms having a plurality of tube insertion holes formed therein. Tanks of a second heat exchanger with circular cross sections have bottoms having a plurality of tube insertion holes formed therein. The axes of the tube insertion holes of the first and second heat exchangers are held in parallel with each other. The second heat exchanger is in contact with the plane sections of the first heat exchanger tank.Type: ApplicationFiled: November 3, 2004Publication date: May 5, 2005Inventors: Kenji Makino, Hiroyasu Koizumi, Minoru Tsuchiya, Kunio Matsugi, Hiroshi Chikuma, Staoshi Ishihara, Makoto Tajima, Yoshiki Tsuda, Toshiaki Yamamoto, Hideki Kobayashi, Katsumi Nakamura, Junichi Enari, Mamoru Baba
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Patent number: 6837304Abstract: Tanks of a first heat exchanger have plane sections perpendicular to bottoms having a plurality of tube insertion holes formed therein. Tanks of a second heat exchanger with circular cross sections have bottoms having a plurality of tube insertion holes formed therein. The axes of the tube insertion holes of the first and second heat exchangers are held in parallel with each other. The second heat exchanger is in contact with the plane sections of the first heat exchanger tank.Type: GrantFiled: January 31, 2002Date of Patent: January 4, 2005Assignee: Calsonic Kansei CorporationInventors: Kenji Makino, Hiroyasu Koizumi, Minoru Tsuchiya, Kunio Matsugi, Hiroshi Chikuma, Satoshi Ishihara, Makoto Tajima, Yoshiki Tsuda, Toshiaki Yamamoto, Hideki Kobayashi, Katsumi Nakamura, Junichi Enari, Mamoru Baba
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Publication number: 20020084067Abstract: Tanks of a first heat exchanger have plane sections perpendicular to bottoms having a plurality of tube insertion holes formed therein. Tanks of a second heat exchanger with circular cross sections have bottoms having a plurality of tube insertion holes formed therein. The axes of the tube insertion holes of the first and second heat exchangers are held in parallel with each other. The second heat exchanger is in contact with the plane sections of the first heat exchanger tank.Type: ApplicationFiled: January 31, 2002Publication date: July 4, 2002Applicant: CALSONIC KANSEI CORPORATIONInventors: Kenji Makino, Hiroyasu Koizumi, Minoru Tsuchiya, Kunio Matsugi, Hiroshi Chikuma, Satoshi Ishihara, Makoto Tajima, Yoshiki Tsuda, Toshiaki Yamamoto, Hideki Kobayashi, Katsumi Nakamura, Junichi Enari, Mamoru Baba
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Patent number: 6364005Abstract: Tanks of a first heat exchanger have plane sections perpendicular to bottoms having a plurality of tube insertion holes formed therein. Tanks of a second heat exchanger with circular cross sections have bottoms having a plurality of tube insertion holes formed therein. The axes of the tube insertion holes of the first and second heat exchangers are held in parallel with each other. The second heat exchanger is in contact with the plane sections of the first heat exchanger tank.Type: GrantFiled: June 27, 2000Date of Patent: April 2, 2002Assignee: Calsonic Kansei CorporationInventors: Kenji Makino, Hiroyasu Koizumi, Minoru Tsuchiya, Kunio Matsugi, Hiroshi Chikuma, Satoshi Ishihara, Makoto Tajima, Yoshiki Tsuda, Toshiaki Yamamoto, Hideki Kobayashi, Katsumi Nakamura, Junichi Enari, Mamoru Baba
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Patent number: 6095239Abstract: Tanks of a first heat exchanger have plane sections perpendicular to bottoms having a plurality of tube insertion holes formed therein. Tanks of a second heat exchanger with circular cross sections have bottoms having a plurality of tube insertion holes formed therein. The axes of the tube insertion holes of the first and second heat exchangers are held in parallel with each other. The second heat exchanger is in contact with the plane sections of the first heat exchanger tank.Type: GrantFiled: August 12, 1997Date of Patent: August 1, 2000Assignee: Calsonic Kansei CorporationInventors: Kenji Makino, Hiroyasu Koizumi, Minoru Tsuchiya, Kunio Matsugi, Hiroshi Chikuma, Satoshi Ishihara, Makoto Tajima, Yoshiki Tsuda, Toshiaki Yamamoto, Hideki Kobayashi, Katsumi Nakamura, Junichi Enari, Mamoru Baba
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Patent number: 5924481Abstract: A header tank for accommodating refrigerant is formed on one side of the cold plate, on the other side of which an electronic component is mounted. A plurality of loop pipes in which the refrigerant is circulated are connected with the header tank. The plurality of loop pipes are arranged substantially parallel with the cold plate. The radiating area of the loop pipes distant from the cold plate is larger than the radiating area of the loop pipes close to the cold plate.Type: GrantFiled: June 20, 1996Date of Patent: July 20, 1999Assignee: Calsonic CorporationInventor: Makoto Tajima
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Patent number: 5729995Abstract: In an electronic component cooling unit, parts of the outer surfaces of a plurality of passageways in which refrigerant flows are coupled to one surface of a cold plate on the other surface of which an electronic component is mounted, and a header tank is provided in the plurality of passageways so that a plurality of looped passageways are formed. The plurality of passageways are provided by a multi-flow-path container which is formed by extrusion molding and has a flattened cross section.Type: GrantFiled: March 19, 1996Date of Patent: March 24, 1998Assignee: Calsonic CorporationInventor: Makoto Tajima
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Patent number: 5656245Abstract: The disclosure relates to a catalytic converter for cleaning exhaust gas generated from automobiles or the like and more particularly to a structure for securing a catalyst carrier to a casing.In the converter, a casing for embracing, supporting and securing the catalyst carrier is provided with at least one end cover at the one end of the casing in the longitudinal direction thereof, the catalyst carrier is secured to the one end cover, but not secured to the remainder of the casing. The catalyst carrier may be secured to the end cover by sandwiching the flange portion of the catalyst carrier between the vertical step portion of the end cover and a pushing ring via buffering members. Alternatively, the catalyst carrier may be secured to the end cover by pushing a taper bushing having a wedge-shaped cross section into the space between the concave recessed portion provided on the surface of the catalyst carrier and the short pipe portion of the end cover.Type: GrantFiled: November 14, 1995Date of Patent: August 12, 1997Assignee: Nippon Reinz Co., Ltd.Inventors: Katsuhide Fujisawa, Masakatsu Takahashi, Makoto Tajima
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Patent number: 5647430Abstract: In an electronic component cooling unit, one surface of a cold plate, on the other surface of which an electronic component is mounted, is covered with a cover member to form a tank section which accommodates refrigerant, and a pipe member is fitted in the cover member in such a manner as the pipe member is communicated with the tank section. Furthermore, the one surface of the cold plate has a recess which forms the tank section together with the cover member. The pipe member is a multi-flow-path container which is formed by extrusion molding.Type: GrantFiled: March 19, 1996Date of Patent: July 15, 1997Assignee: Calsonic CorporationInventor: Makoto Tajima
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Patent number: 5632158Abstract: In an electronic component cooling unit, one surface of a cold plate, on the other surface of which an electronic component is mounted, is covered with a cover to form a tank section in which a refrigerant is stored, a container pipe is extended from the cover in such a manner that the container pipe is communicated with the tank section, a wick pole is fitted in the container pipe so that a plurality of axial passageways are formed in the container pipe, and air is removed from the tank section and the axial passageways.Type: GrantFiled: March 19, 1996Date of Patent: May 27, 1997Assignee: Calsonic CorporationInventor: Makoto Tajima
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Patent number: 5590709Abstract: The present invention relates to a housingless type oil cooler formed by laminating a plurality of plate members and an object thereof is to prevent deformation of an oil filter seal surface caused by excessive tightening at the time or mounting of an oil filter.Type: GrantFiled: February 16, 1996Date of Patent: January 7, 1997Assignee: Calsonic CorporationInventors: Makoto Tajima, Shinji Araki, Kei Beppu
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Patent number: 5513702Abstract: The present invention relates to a housingless type oil cooler formed by laminating a plurality of plate members and an object thereof is to prevent deformation of an oil filter seal surface caused by excessive tightening at the time of mounting of an oil filter.Type: GrantFiled: June 6, 1995Date of Patent: May 7, 1996Assignee: Calsonic CorporationInventors: Makoto Tajima, Shinji Araki, Kei Beppu
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Patent number: 5511612Abstract: The device relates to an oil cooler and the object thereof is to provide an oil cooler with an improved mounting strength of water pipes against external stresses. A core portion 33 is formed by alternately stacking a plurality of plates 35, 37 and arranging cooling water passages 39 and oil passages 41 alternately between these plates 35, 37. On an upper portion of the core portion 33 is an oil tank 57 that is formed of an upper plate 47 and a cover plate 55. The upper plate 47 has a cooling water passage holes 43 communicating with the cooling water passages 39 and the oil passages 41. The cover plate 55 has water pipe insertion holes 51, 53 so as to correspond to the cooling water passage holes 43. The water pies 59, 61 are inserted into the cooling water passage holes 43 of the upper plate 47 by causing the water pipes 59, 61 to pass through the water pipe insertion holes 51, 53.Type: GrantFiled: September 23, 1993Date of Patent: April 30, 1996Assignee: Calsonic CorporationInventors: Makoto Tajima, Kei Beppu, Tomoyuki Mano, Shigeru Sasaki
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Patent number: 5464056Abstract: The present invention relates to a housingless type oil cooler formed by laminating a plurality of plate members and an object thereof is to prevent deformation of an oil filter seal surface caused by excessive tightening at the time of mounting of an oil filter.Type: GrantFiled: December 21, 1993Date of Patent: November 7, 1995Assignee: Calsonic CorporationInventors: Makoto Tajima, Shinji Araki, Kei Beppu