Patents by Inventor Shinjiro Fujiwara
Shinjiro Fujiwara 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: 8741995Abstract: A calcium carbonate having a surface treated with a surface treating agent containing a sodium salt or a potassium salt of a fatty acid, the surface treating agent containing a sodium salt or a potassium salt of palmitic acid in an amount of PW in terms of acid, the surface treating agent containing a sodium salt or a potassium salt of stearic acid in an amount of SW in terms of acid, a total amount of PW and SW being PW+SW?90, a ratio of PW to SW being 0.30?PW/SW?1.1, the surface-treated calcium carbonate having a BET specific surface area of SA2 of 15?SA2?48, and the sodium salt or the potassium salt of the fatty acid being used for the treatment in an amount of FA and a ratio (FA/SA2) being 0.095?FA/SA2?0.135.Type: GrantFiled: February 15, 2010Date of Patent: June 3, 2014Assignee: Shiraishi Kogyo Kaisha, Ltd.Inventors: Shinjiro Fujiwara, Yoshisada Kayano, Peter-Christian Rainer, Gernot Primosch
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Publication number: 20120309877Abstract: A calcium carbonate having a surface treated with a surface treating agent containing a sodium salt or a potassium salt of a fatty acid, the surface treating agent containing a sodium salt or a potassium salt of palmitic acid in an amount of PW in terms of acid, the surface treating agent containing a sodium salt or a potassium salt of stearic acid in an amount of SW in terms of acid, a total amount of PW and SW being PW+SW?90, a ratio of PW to SW being 0.30?PW/SW?1.1, the surface-treated calcium carbonate having a BET specific surface area of SA2 of 15?SA2?48, and the sodium salt or the potassium salt of the fatty acid being used for the treatment in an amount of FA and a ratio (FA/SA2) being 0.095?FA/SA2?0.135.Type: ApplicationFiled: February 15, 2010Publication date: December 6, 2012Applicant: SHIRAISHI KOGYO KAISHA, LTD.Inventors: Shinjiro Fujiwara, Yoshisada Kayano, Peter-Christian Rainer, Gernot Primosch
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Patent number: 7112100Abstract: A modular jack and a modular jack connector which are suitable for use in twisted pair wiring system and suppress coupling in and out of a modular jack are provided. A modular jack, comprising, a hollow housing of which one end is opened, and eight conductor pins which are arranged with predetermined intervals to right and left directions inside said housing, each of said conductor pins has bending portion projecting toward said opening portion (this direction is defined by “forward”), lower part of said each conductor pin corresponds to a conductor pin leg which passes through bottom of said housing, when numbers from No. 1 to No. 8 are given respectively to said each conductor pin starting from right, each set of conductor pins of No. 1 and No. 2, No. 3 and No. 6, No. 4 and No. 5, and No. 7 and No. 8 is used respectively as conductor pair, bending portions of said No. 3 and No. 6 conductor pins are positioned more forward than bending portions of other conductor pins, and conductor pin legs of said No.Type: GrantFiled: October 29, 2004Date of Patent: September 26, 2006Assignees: Hitachi Cable, Ltd., Hirose Electric Co., Ltd.Inventors: Hiroshi Ishikawa, Shinjiro Fujiwara, Kenichi Hirokawa
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Publication number: 20050085134Abstract: A modular jack and a modular jack connector which are suitable for use in twisted pair wiring system and suppress coupling in and out of a modular jack are provided. A modular jack, comprising, a hollow housing of which one end is opened, and eight conductor pins which are arranged with predetermined intervals to right and left directions inside said housing, each of said conductor pins has bending portion projecting toward said opening portion (this direction is defined by “forward”), lower part of said each conductor pin corresponds to a conductor pin leg which passes through bottom of said housing, when numbers from No. 1 to No. 8 are given respectively to said each conductor pin starting from right, each set of conductor pins of No. 1 and No. 2, No. 3 and No. 6, No. 4 and No. 5, and No. 7 and No. 8 is used respectively as conductor pair, bending portions of said No. 3 and No. 6 conductor pins are positioned more forward than bending portions of other conductor pins, and conductor pin legs of said No.Type: ApplicationFiled: October 29, 2004Publication date: April 21, 2005Applicants: Hitachi Cable, Ltd., Hirose Electric Co., Ltd.Inventors: Hiroshi Ishikawa, Shinjiro Fujiwara, Kenichi Hirokawa
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Patent number: 6846197Abstract: A modular plug which is fitted in a modular jack so as to connect twisted pair wires is provided. The modular plug comprises a housing, a guide plate which is fitted in the housing so as to separate the twisted pair wires from one another, and terminals and which are connected to electric wires untwisted from the tips of the twisted pair wires, wherein the separated twisted pair wires are held between the internal surfaces of the housing and the guide plate, thereby reducing near end crosstalk and keeping an attenuation thereof within a predetermined range.Type: GrantFiled: June 18, 2003Date of Patent: January 25, 2005Assignees: Hirose Electric Co., Ltd., Hitachi Cable, Ltd.Inventors: Kenichi Hirokawa, Hiroshi Ishikawa, Shinjiro Fujiwara
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Patent number: 6835101Abstract: A modular jack and a modular jack connector which are suitable for use in twisted pair wiring system and suppress coupling in and out of a modular jack are provided. A modular jack, comprising, a hollow housing of which one end is opened, and eight conductor pins which are arranged with predetermined intervals to right and left directions inside said housing, each of said conductor pins has bending portion projecting toward said opening portion (this direction is defined by “forward”), lower part of said each conductor pin corresponds to a conductor pin leg which passes through bottom of said housing, when numbers from No. 1 to No. 8 are given respectively to said each conductor pin starting from right, each set of conductor pins of No. 1 and No. 2, No. 3 and No. 6, No. 4 and No. 5, and No. 7 and No. 8 is used respectively as conductor pair, bending portions of said No. 3 and No.Type: GrantFiled: May 21, 2003Date of Patent: December 28, 2004Assignees: Hitachi Cable, Ltd., Hirose Electric Co., Ltd.Inventors: Hiroshi Ishikawa, Shinjiro Fujiwara, Kenichi Hirokawa
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Publication number: 20040002252Abstract: A modular plug which is fitted in a modular jack so as to connect twisted pair wires is provided. The modular plug comprises a housing, a guide plate which is fitted in the housing so as to separate the twisted pair wires from one another, and terminals and which are connected to electric wires untwisted from the tips of the twisted pair wires, wherein the separated twisted pair wires are held between the internal surfaces of the housing and the guide plate, thereby reducing near end crosstalk and keeping an attenuation thereof within a predetermined range.Type: ApplicationFiled: June 18, 2003Publication date: January 1, 2004Applicants: Hirose Electric Co., Ltd., Hitachi Cable, Ltd.Inventors: Kenichi Hirokawa, Hiroshi Ishikawa, Shinjiro Fujiwara
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Publication number: 20030220023Abstract: A modular jack and a modular jack connector which are suitable for use in twisted pair wiring system and suppress coupling in and out of a modular jack are provided. A modular jack, comprising, a hollow housing of which one end is opened, and eight conductor pins which are arranged with predetermined intervals to right and left directions inside said housing, each of said conductor pins has bending portion projecting toward said opening portion (this direction is defined by “forward”), lower part of said each conductor pin corresponds to a conductor pin leg which passes through bottom of said housing, when numbers from No. 1 to No. 8 are given respectively to said each conductor pin starting from right, each set of conductor pins of No. 1 and No. 2. No. 3 and No. 6. No. 4 and No. 5, and No. 7 and No. 8 is used respectively as conductor pair, bending portions of said No. 3 and No.Type: ApplicationFiled: May 21, 2003Publication date: November 27, 2003Applicants: Hitachi Cable, Ltd., Hirose Electric Co., Ltd.Inventors: Hiroshi Ishikawa, Shinjiro Fujiwara, Kenichi Hirokawa