Patents by Inventor Hajime Tamaki

Hajime Tamaki 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).

  • Patent number: 10260213
    Abstract: A working machine includes a travel device, a motive power transmission device configured to transmit a motive power to the travel device, a transmission case configured to house the motive power transmission device, and a hydraulic operation fluid tank disposed on an upper surface of the transmission case.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: April 16, 2019
    Assignee: KUBOTA CORPORATION
    Inventors: Ryohei Sumiyoshi, Hideo Imai, Noriyoshi Kubo, Hiroyuki Anami, Hiroyuki Hata, Toyoaki Yasuda, Masahiro Kuroda, Kohei Higashiyama, Yuji Yamashita, Satoshi Tajima, Shunichiro Mori, Hayato Ido, Toshihiko Takemura, Shinsuke Hisatake, Hajime Tamaki, Hiroshi Koyamatsu
  • Patent number: 9988790
    Abstract: A working machine includes a machine body including a motor room, a motor mounted on the machine body and housed in the motor room, a fan arranged above the motor, the fan being to generate an air flow downward, a radiator arranged above the fan, an oil cooler arranged above the fan, and a shroud disposed around the fan. The shroud includes an opening rim portion forming an air inlet to take air from the motor room.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: June 5, 2018
    Assignee: KUBOTA CORPORATION
    Inventors: Yuji Yamashita, Ryohei Sumiyoshi, Satoshi Tajima, Kunihiro Suzuki, Hayato Kawano, Hiroyuki Anami, Hajime Tamaki
  • Publication number: 20180044885
    Abstract: A working machine includes a travel device, a motive power transmission device configured to transmit a motive power to the travel device, a transmission case configured to house the motive power transmission device, and a hydraulic operation fluid tank disposed on an upper surface of the transmission case.
    Type: Application
    Filed: October 26, 2017
    Publication date: February 15, 2018
    Applicant: KUBOTA CORPORATION
    Inventors: Ryohei SUMIYOSHI, Hideo IMAI, Noriyoshi KUBO, Hiroyuki ANAMI, Hiroyuki HATA, Toyoaki YASUDA, Masahiro KURODA, Kohei HIGASHIYAMA, Yuji YAMASHITA, Satoshi TAJIMA, Shunichiro MORI, Hayato IDO, Toshihiko TAKEMURA, Shinsuke HISATAKE, Hajime TAMAKI, Hiroshi KOYAMATSU
  • Patent number: 9828744
    Abstract: A working machine includes a travel device, a motive power transmission device configured to transmit a motive power to the travel device, a transmission case configured to house the motive power transmission device, and a hydraulic operation fluid tank disposed on an upper surface of the transmission case.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: November 28, 2017
    Assignee: KUBOTA CORPORATION
    Inventors: Ryohei Sumiyoshi, Hideo Imai, Noriyoshi Kubo, Hiroyuki Anami, Hiroyuki Hata, Toyoaki Yasuda, Masahiro Kuroda, Kohei Higashiyama, Yuji Yamashita, Satoshi Tajima, Shunichiro Mori, Hayato Ido, Toshihiko Takemura, Shinsuke Hisatake, Hajime Tamaki, Hiroshi Koyamatsu
  • Publication number: 20170314230
    Abstract: A working machine includes a machine body including a motor room, a motor mounted on the machine body and housed in the motor room, a fan arranged above the motor, the fan being to generate an air flow downward, a radiator arranged above the fan, an oil cooler arranged above the fan, and a shroud disposed around the fan. The shroud includes an opening rim portion forming an air inlet to take air from the motor room.
    Type: Application
    Filed: July 17, 2017
    Publication date: November 2, 2017
    Applicant: KUBOTA CORPORATION
    Inventors: Yuji YAMASHITA, Ryohei SUMIYOSHI, Satoshi TAJIMA, Kunihiro SUZUKI, Hayato KAWANO, Hiroyuki ANAMI, Hajime TAMAKI
  • Patent number: 9752302
    Abstract: A working machine includes: a motor; a fan arranged above the motor, the fan being configured to generate an air flow downward; a radiator arranged above the fan; and an oil cooler arranged adjacent to the radiator. In addition, the working machine includes: a shroud disposed around fan, the shroud including: a rim portion forming an air vent hole, the air vent hole being for passage of the air flow generated by the fan; and a support member attached to an upper portion of the shroud, the support member being configured to support the radiator and the oil cooler.
    Type: Grant
    Filed: September 23, 2015
    Date of Patent: September 5, 2017
    Assignee: KUBOTA CORPORATION
    Inventors: Yuji Yamashita, Ryohei Sumiyoshi, Satoshi Tajima, Kunihiro Suzuki, Hayato Kawano, Hiroyuki Anami, Hajime Tamaki
  • Patent number: 9567729
    Abstract: The present invention intends to allow a good layout of and an easy maintenance of parts disposed around a rear portion of the motor. A working machine includes a machine body; a motor mounted on the machine body; an output shaft protruding from a rear portion of the motor; a rear attachment portion disposed on the rear portion of the motor, the rear attachment portion facing backward; and a mount member configured to support the motor to suppress vibration of the motor, the mount member including: a first support member having an opposite attachment portion, the opposite attachment portion being attached opposite to the rear attachment portion; an elastic member attached to the first support member; and a second support member disposed on the machine body, the second support member being configured to support the elastic member.
    Type: Grant
    Filed: September 23, 2015
    Date of Patent: February 14, 2017
    Assignee: KUBOTA CORPORATION
    Inventors: Ryohei Sumiyoshi, Hideo Imai, Noriyoshi Kubo, Hiroyuki Anami, Hiroyuki Hata, Toyoaki Yasuda, Masahiro Kuroda, Kohei Higashiyama, Yuji Yamashita, Satoshi Tajima, Shunichiro Mori, Hayato Ido, Toshihiko Takemura, Shinsuke Hisatake, Hajime Tamaki, Hiroshi Koyamatsu
  • Publication number: 20160375845
    Abstract: A working machine includes a travel device, a motive power transmission device configured to transmit a motive power to the travel device, a transmission case configured to house the motive power transmission device, and a hydraulic operation fluid tank disposed on an upper surface of the transmission case.
    Type: Application
    Filed: September 13, 2016
    Publication date: December 29, 2016
    Applicant: KUBOTA CORPORATION
    Inventors: Ryohei SUMIYOSHI, Hideo IMAI, Noriyoshi KUBO, Hiroyuki ANAMI, Hiroyuki HATA, Toyoaki YASUDA, Masahiro KURODA, Kohei HIGASHIYAMA, Yuji YAMASHITA, Satoshi TAJIMA, Shunichiro MORI, Hayato IDO, Toshihiko TAKEMURA, Shinsuke HISATAKE, Hajime TAMAKI, Hiroshi KOYAMATSU
  • Publication number: 20160090711
    Abstract: The present invention intends to allow a good layout of and an easy maintenance of parts disposed around a rear portion of the motor. A working machine includes a machine body; a motor mounted on the machine body; an output shaft protruding from a rear portion of the motor; a rear attachment portion disposed on the rear portion of the motor, the rear attachment portion facing backward; and a mount member configured to support the motor to suppress vibration of the motor, the mount member including: a first support member having an opposite attachment portion, the opposite attachment portion being attached opposite to the rear attachment portion; an elastic member attached to the first support member; and a second support member disposed on the machine body, the second support member being configured to support the elastic member.
    Type: Application
    Filed: September 23, 2015
    Publication date: March 31, 2016
    Applicant: KUBOTA CORPORATION
    Inventors: Ryohei SUMIYOSHI, Hideo IMAI, Noriyoshi KUBO, Hiroyuki ANAMI, Hiroyuki HATA, Toyoaki YASUDA, Masahiro KURODA, Kohei HIGASHIYAMA, Yuji YAMASHITA, Satoshi TAJIMA, Shunichiro MORI, Hayato IDO, Toshihiko TAKEMURA, Shinsuke HISATAKE, Hajime TAMAKI, Hiroshi KOYAMATSU
  • Publication number: 20160090712
    Abstract: The present invention intends to provide a working machine capable of improving the heat exchange efficiency of the radiator and of suppressing degradation of performance of the radiator even when the oil cooler is clogged up, in the working machine arranging the radiator and the oil cooler above the engine. A working machine includes: a motor; a fan arranged above the motor, the fan being configured to generate an air flow downward; a radiator arranged above the fan; and an oil cooler arranged adjacent to the radiator. In addition, the working machine includes: a shroud disposed around fan, the shroud including: a rim portion forming an air vent hole, the air vent hole being for passage of the air flow generated by the fan; and a support member attached to an upper portion of the shroud, the support member being configured to support the radiator and the oil cooler.
    Type: Application
    Filed: September 23, 2015
    Publication date: March 31, 2016
    Applicant: KUBOTA CORPORATION
    Inventors: Yuji YAMASHITA, Ryohei SUMIYOSHI, Satoshi TAJIMA, Kunihiro SUZUKI, Hayato KAWANO, Hiroyuki ANAMI, Hajime TAMAKI
  • Patent number: 5053417
    Abstract: Novel imidazole of the formula: ##STR1## wherein Ring A is pyridyl group or a substituted pyridyl group; Ring B is phenyl group or a substituted phenyl group; R.sup.1 and R.sup.2 are hydrogen atom or are combined together to form a group of the formula: --(CH.sub.2).sub.q --; m is 1 or 2; n is 0, 1 or 2; and q is 3 or 4, or a salt thereof are disclosed. Said derivative (I) and a salt thereof are useful as anti-ulcer agents.
    Type: Grant
    Filed: August 3, 1990
    Date of Patent: October 1, 1991
    Assignee: Tanabe Seiyaku Co., Ltd.
    Inventors: Yasushi Honma, Hajime Tamaki, Tetsuo Magaribuchi, Mine Takido
  • Patent number: 5002945
    Abstract: Novel imidazole of the formula: ##STR1## wherein Ring A is pyridyl group or a substituted pyridyl group; Ring B is phenyl group or a substituted phenyl group; R.sup.1 and R.sup.2 are hydrogen atom or are combined together to form a group of the formula: --(CH.sub.2).sub.q --; m is 1 or 2; n is 0, 1 or 2; and q is 3 or 4, or a salt thereof are disclosed. Said derivative (I) and a salt thereof are useful as anti-ulcer agents.
    Type: Grant
    Filed: June 9, 1989
    Date of Patent: March 26, 1991
    Assignee: Tanabe Seiyaku Co. Ltd.
    Inventors: Yasushi Honma, Hajime Tamaki, Tetsuo Magaribuchi, Mine Takido
  • Patent number: 4996217
    Abstract: Novel imidazole of the formula: ##STR1## wherein Ring A is pyridyl group or a substituted pyridyl group; Ring B is phenyl group or a substituted phenyl group; R.sup.1 and R.sup.2 are hydrogen atom or are combined together to form a group of the formula: --(CH.sub.2).sub.q --; m is 1 or 2; n is 0, 1 or 2; and q is 3 or 4, or a salt thereof are disclosed. Said derivative (I) and a salt thereof are useful as anti-ulcer agents.
    Type: Grant
    Filed: June 28, 1989
    Date of Patent: February 26, 1991
    Assignee: Tanabe Seiyaku Company, Ltd.
    Inventors: Yasushi Honma, Hajime Tamaki, Tetsuo Magaribuchi, Mine Takido
  • Patent number: 4886817
    Abstract: This invention relates to imidazolidinone compounds of the formula ##STR1## wherein Q is methylene group or a single bond:R is a heterocyclic group selected from the group consisting of pyridyl, pyridazinyl, pyrimidinyl, pyrazinyl and 1,3-thiazolyl which may be unsubstituted or with a substituent selected from the group consisting of lower alkyl, lower alkoxy and halogen atom, wherein R is bonded to Q or, when Q is a single bond, to the imidazolidinone ring, through the carbon atom of R;the ring A is an unsubstituted phenyl or a substituted phenyl having 1 or 2 substituent(s) selected from the group consisting of lower alkyl, lower alkoxy, halogen, lower alkylthio, trihalogeno-lower alkyl and nitro;Y is vinylene group or ethynylene;m is a integer from 1 to 6 andn is 0, 1 or 2,or a pharmacetically acceptable salt thereof.These compounds aer useful as cerebral activators, anti-depressants and nootropic drugs.
    Type: Grant
    Filed: December 29, 1988
    Date of Patent: December 12, 1989
    Assignee: Tanabe Seiyaku Co., Ltd.
    Inventors: Mikio Takeda, Masaru Inage, Hiroshi Wada, Hajime Tamaki, Takashi Ochiai
  • Patent number: 4529602
    Abstract: A method for the therapeutic treatment and/or prophylaxis of gastro-intestinal diseases using a sulfodehydroabietic acid of the formula: ##STR1## or a pharmaceutically acceptable salt thereof is disclosed.
    Type: Grant
    Filed: June 14, 1984
    Date of Patent: July 16, 1985
    Assignee: Tanabe Seiyaku Co., Ltd.
    Inventors: Hiroshi Wada, Masatoshi Kawamori, Hajime Tamaki, Yuichi Onoda