Patents by Inventor Hirobumi Ohira

Hirobumi Ohira 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).

  • Oil type release agent for metal casting, spray method, and electrostatic spray apparatus
    Patent number: 9120145
    Abstract: There is disclosed an oil type release agent for metal casting includes 0-7.5% by mass of water consisting of one or two kinds of water selected from distilled water, ion-exchange kinds of water, tap water and water includes any one of aforementioned kinds of water and electrolyte(s) dissolved in any one of aforementioned kinds of water, and 0.3-30% by mass of a solubilizing agent, a spray method using the oil type release agent, and an electrostatic spray apparatus.
    Type: Grant
    Filed: December 5, 2008
    Date of Patent: September 1, 2015
    Assignees: AOKI SCIENCE INSTITUTE CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hirobumi Ohira, Koji Togawa, Daisuke Serino, Kazuo Kato
  • Oil type release agent for die casting method for getting solvent mixing ratio, casting method, and spray unit
    Patent number: 8764897
    Abstract: An oil type release agent is provided, containing 70 to 98 parts by weight of solvents having dynamic viscosity of 2 to 10 mm2/s at 40° C. and a flash point in the range of 70 to 170° C., 1 to 10 parts by weight of high viscosity mineral oils and/or synthetic oils having dynamic viscosity of 100 mm2/s or higher at 40° C., 15 parts by weight or less of a silicone oil having dynamic viscosity of 150 mm2/s or higher at 40° C., and 1 to 5 parts by weight of additives having a lubricating function. The flash point of the agent is in the range of 70 to 170° C., and the dynamic viscosity of the agent is 2 to 30 mm2/s or higher at 40° C.
    Type: Grant
    Filed: February 12, 2012
    Date of Patent: July 1, 2014
    Assignees: Aoki Science Institute Co., Ltd., Ryobi Ltd., Kotobuki Kinzoku Kogyo Co., Ltd., Aisan Industry Co., Ltd.
    Inventors: Hisaharu Aoki, Koji Togawa, Hirobumi Ohira, Masanao Kobayashi, Hiroaki Komatsubara, Toshiaki Shimizu, Ryusuke Izawa, Masayuki Harada, Masayuki Kito, Keigo Yorioka, Akihiro Hayashi
  • Oil type lubricant for forging, forging method and spray apparatus
    Patent number: 8728994
    Abstract: An oil type lubricant for forging, which is featured in that the flash point thereof is confined to the range of 70-170° C., the kinematic viscosity thereof at 40° C. is confined to the range of 4-40 mm2/s and that it contains neither water nor an emulsifier. A forging method and a spray apparatus wherein the above-described oil type lubricant is used.
    Type: Grant
    Filed: January 13, 2009
    Date of Patent: May 20, 2014
    Assignees: Aoki Science Institute Co., Ltd., Toyota Jidosha Kabushiki Kaisha, Shimano Inc.
    Inventors: Hirobumi Ohira, Hitomi Nakamura, Munenori Sugisawa, Atsusi Naruoka, Masahiko Tani
  • Oil Type Release Agent for Die Casting Method for Getting Solvent Mixing Ratio, Casting Method, and Spray Unit
    Publication number: 20120208939
    Abstract: An oil type release agent is provided, containing 70 to 98 parts by weight of solvents having dynamic viscosity of 2 to 10 mm2/s at 40° C. and a flash point in the range of 70 to 170° C., 1 to 10 parts by weight of high viscosity mineral oils and/or synthetic oils having dynamic viscosity of 100 mm2/s or higher at 40° C., 15 parts by weight or less of a silicone oil having dynamic viscosity of 150 mm2/s or higher at 40° C., and 1 to 5 parts by weight of additives having a lubricating function. The flash point of the agent is in the range of 70 to 170° C., and the dynamic viscosity of the agent is 2 to 30 mm2/s or higher at 40° C.
    Type: Application
    Filed: February 12, 2012
    Publication date: August 16, 2012
    Applicants: AOKI SCIENCE INSTITUTE CO., LTD, AISAN INDUSTRY CO., LTD., KOTOBUKI KINZOKU KOGYO CO., LTD., RYOBI LTD.
    Inventors: Hisaharu Aoki, Koji Togawa, Hirobumi Ohira, Masanao Kobayashi, Hiroaki Komatsubara, Toshiaki Shimizu, Ryusuke Izawa, Masayuki Harada, Masayuki Kito, Keigo Yorioka, Akihiro Hayashi
  • Oil type release agent for die casting method for setting solvent mixing ratio, casting method, and spray unit
    Patent number: 8114209
    Abstract: The invention provides an oil type release agent die casting containing 70 to 98 parts by weight of a solvent having a specified flash point, 1 to 10 parts by weight of mineral oils and/or synthetic oils having a high viscosity, 15 parts by weight or less of a silicone oil, and 1 to 5 parts by weight of additives having a lubricating function, wherein the flash point of the agent is in the range of 70 to 170° C., and dynamic viscosity of the agent is 2 to 30 mm2/s or higher at 40° C., and a method for setting a mixing ratio of the solvent, a casting method, and a spraying unit for the case of using the release agent.
    Type: Grant
    Filed: February 8, 2007
    Date of Patent: February 14, 2012
    Assignees: Aoki Science Institute Co., Ltd., Ryobi Ltd., Kotobuki Kinzoku Kogyo Co., Ltd., Aisan Industry Co., Ltd.
    Inventors: Hisaharu Aoki, Koji Togawa, Hirobumi Ohira, Masanao Kobayashi, Yuichi Yamazaki, Hiroaki Komatsubara, Toshiaki Shimizu, Ryusuke Izawa, Hideki Furukawa, Masayuki Harada, Mitsuyoshi Yokoi, Masayuki Kito, Keigo Yorioka, Akihiro Hayashi
  • Oil Type Lubricant for Forging, Forging Method and Spray Apparatus
    Publication number: 20090118149
    Abstract: An oil type lubricant for forging, which is featured in that the flash point thereof is confined to the range of 70-170° C., the kinematic viscosity thereof at 40° C. is confined to the range of 4-40 mm2/s and that it contains neither water nor an emulsifier. A forging method and a spray apparatus wherein the above-described oil type lubricant is used.
    Type: Application
    Filed: January 13, 2009
    Publication date: May 7, 2009
    Applicants: Aoki Sciences Institute Co.,Ltd., Toyota Jidosha Kabushiki Kaisha, Shimano Inc.
    Inventors: Hirobumi Ohira, Hitomi Nakamura, Munenori Sugisawa, Atsusi Naruoka, Masahiko Tani
  • OIL TYPE RELEASE AGENT FOR METAL CASTING, SPRAY METHOD, AND ELECTROSTATIC SPRAY APPARATUS
    Publication number: 20090074981
    Abstract: There is disclosed an oil type release agent for metal casting includes 0-7.5% by mass of water consisting of one or two kinds of water selected from distilled water, ion-exchange kinds of water, tap water and water includes any one of aforementioned kinds of water and electrolyte(s) dissolved in any one of aforementioned kinds of water, and 0.3-30% by mass of a solubilizing agent, a spray method using the oil type release agent, and an electrostatic spray apparatus.
    Type: Application
    Filed: December 5, 2008
    Publication date: March 19, 2009
    Applicant: Aoki Science Institute Co., Ltd. a Japanese Corporation
    Inventors: Hirobumi Ohira, Koji Togawa, Daisuke Serino, Kazuo Kato
  • Oil type release agent for die casting method for getting solvent mixing ratio, casting method, and spray unit
    Publication number: 20070131140
    Abstract: The invention provides an oil type release agent die casting containing 70 to 98 parts by weight of a solvent having a specified flash point, 1 to 10 parts by weight of mineral oils and/or synthetic oils having a high viscosity, 15 parts by weight or less of a silicone oil, and 1 to 5 parts by weight of additives having a lubricating function, wherein the flash point of the agent is in the range of 70 to 170° C., and dynamic viscosity of the agent is 2 to 30 mm2/s or higher at 40° C., and a method for setting a mixing ratio of the solvent, a casting method, and a spraying unit for the case of using the release agent.
    Type: Application
    Filed: February 8, 2007
    Publication date: June 14, 2007
    Inventors: Hisaharu Aoki, Koji Togawa, Hirobumi Ohira, Masanao Kobayashi, Yuichi Yamazaki, Hiroaki Komatsubara, Toshiaki Shimizu, Ryusuke Izawa, Hideki Furukawa, Masayuki Harada, Mitsuyoshi Yokoi, Masayuki Kito, Keigo Yorioka, Akihiro Hayashi