Patents by Inventor Kazuya Yamanoi
Kazuya Yamanoi 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: 8507711Abstract: A flame-retardant compound has a structure represented by formula (2): (Ar2—O—CO—O—)nA2-X-A1(—O—CO—O—Ar1)m??(2) wherein A1 and A2 each independently represents a substituted or unsubstituted aromatic group; X represents a divalent group represented by —S—, —O—, —CO—, —CN—, —CH2—, —C(CH3)2—, —CH(CH3)—, —NH—, —SO— or —SO2—; Ar1 and Ar2 each independently represents a substituted or unsubstituted phenyl group; and m and n each independently represents an integer of 1 to 3.Type: GrantFiled: December 20, 2011Date of Patent: August 13, 2013Assignee: Fuji Xerox Co., Ltd.Inventors: Masato Mikami, Masayuki Okoshi, Kazuya Yamanoi
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Patent number: 8455571Abstract: A flame-retardant particle includes: a particle containing a compound having a structure represented by formula (1); and a coating particle that covers at least a part of a surface of the particle: -A(—O—CO—O—Ar)m??(1) wherein A represents a substituted or unsubstituted aromatic group; Ar represents a substituted or unsubstituted phenyl group; and m represents an integer of 1 to 3.Type: GrantFiled: July 9, 2008Date of Patent: June 4, 2013Assignee: Fuji Xerox Co., Ltd.Inventors: Masato Mikami, Masayuki Okoshi, Kazuya Yamanoi
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Publication number: 20120088871Abstract: A flame-retardant compound has a structure represented by formula (2): (Ar2—O—CO—O—)nA2-X-A1(—O—CO—O—Ar1)m??(2) wherein A1 and A2 each independently represents a substituted or unsubstituted aromatic group; X represents a divalent group represented by —S—, —O—, —CO—, —CN—, —CH2—, —C(CH3)2—, —CH(CH3)—, —NH—, —SO— or —SO2— Ar1 and Ar2 each independently represents a substituted or unsubstituted phenyl group; and m and n each independently represents an integer of 1 to 3.Type: ApplicationFiled: December 20, 2011Publication date: April 12, 2012Applicant: FUJI XEROX CO., LTD.Inventors: Masato MIKAMI, Masayuki OKOSHI, Kazuya YAMANOI
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Patent number: 7960458Abstract: A flame retardant includes an ion complex formed from compounds including at least one first compound each selected from sulfuric acid or a compound having a sulfonic acid group and a second organic compound each having a cationic moiety. The ionic complex includes ionic bonding of sulfuric acid or a sulfonic acid group in the at least one first compound and at least one cationic moiety in the at least one second organic compound. At least one of the at least one first compound or the at least one second organic compound includes a high-molecular-weight compound.Type: GrantFiled: December 11, 2008Date of Patent: June 14, 2011Assignee: Fuji Xerox Co., Ltd.Inventors: Masato Mikami, Masayuki Okoshi, Kazuya Yamanoi
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Publication number: 20090264564Abstract: A flame retardant includes an ion complex formed from compounds including at least one first compound each selected from sulfuric acid or a compound having a sulfonic acid group and a second organic compound each having a cationic moiety. The ionic complex includes ionic bonding of sulfuric acid or a sulfonic acid group in the at least one first compound and at least one cationic moiety in the at least one second organic compound. At least one of the at least one first compound or the at least one second organic compound includes a high-molecular-weight compound.Type: ApplicationFiled: December 11, 2008Publication date: October 22, 2009Applicant: FUJI XEROX CO., LTD.Inventors: Masato MIKAMI, Masayuki OKOSHI, Kazuya YAMANOI
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Patent number: 7534827Abstract: According to an aspect of the invention, there is provided a flame-retardant resin composition comprising: a polycarbonate resin; flame-retardant particles that contain a metal hydrate, have thereon a coating layer containing an organic compound or a silicone, and have a volume average particle diameter of about 1 to 500 nm; and a flame-retardant auxiliary.Type: GrantFiled: August 18, 2006Date of Patent: May 19, 2009Assignee: Fuji Xerox Co., Ltd.Inventors: Masayuki Okoshi, Kazuya Yamanoi, Makiko Yamanaka, Michiaki Yasuno
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Publication number: 20090088495Abstract: A flame-retardant particle includes: a particle containing a compound having a structure represented by formula (1); and a coating particle that covers at least a part of a surface of the particle: -A(—O—CO—O—Ar)m??(1) wherein A represents a substituted or unsubstituted aromatic group; Ar represents a substituted or unsubstituted phenyl group; and m represents an integer of 1 to 3.Type: ApplicationFiled: July 9, 2008Publication date: April 2, 2009Applicant: FUJI XEROX CO., LTD.Inventors: Masato MIKAMI, Masayuki OKOSHI, Kazuya YAMANOI
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Publication number: 20090087659Abstract: A flame-retardant compound has a structure represented by formula (1): —X-A1(-O—CO—O—Ar1)m ??(1) wherein A1 represents a substituted or unsubstituted aromatic group, X represents a divalent group represented —S—, —O—, —CO—, —CN—, —CH2—, —C(CH3)2—, —CH(CH3)—, —NH—, —SO— or —SO2—; Ar1 represents a substituted or substituted phenyl group; and m represents an integer of 1 to 3.Type: ApplicationFiled: July 16, 2008Publication date: April 2, 2009Applicant: FUJI XEROX CO., LTD.Inventors: Masato MIKAMI, Masayuki OKOSHI, Kazuya YAMANOI
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Publication number: 20080287579Abstract: A resin composition includes a resin; a radical trapping agent that has at least one of a phenol group, a nitrogen atom and a sulfuric acid group; and a char-forming agent that has a carbonate group.Type: ApplicationFiled: March 14, 2008Publication date: November 20, 2008Applicant: FUJI XEROX CO., LTD.Inventors: Masayuki Okoshi, Masato Mikami, Kazuya Yamanoi, Kenji Yao
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Publication number: 20070173563Abstract: According to an aspect of the invention, there is provided a flame-retardant resin composition comprising: a polycarbonate resin; flame-retardant particles that contain a metal hydrate, have thereon a coating layer containing an organic compound or a silicone, and have a volume average particle diameter of about 1 to 500 nm; and a flame-retardant auxiliary.Type: ApplicationFiled: August 18, 2006Publication date: July 26, 2007Applicant: FUJI XEROX CO., LTD.Inventors: Masayuki Okoshi, Kazuya Yamanoi, Makiko Yamanaka, Michiaki Yasuno
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Patent number: 6785494Abstract: An image formation apparatus including a photoreceptor, a charger having a charger member for charging the photoreceptor, a latent image write unit for writing an electrostatic latent image onto the photoreceptor charged by the charger, and a developing device having a developer support with a magnetic field production member, for rendering visible the electrostatic latent image written by the latent image write unit with a developer. Further, the charging member of the charger is disposed under effect of a magnetic field produced by the magnetic field production member of the developing device, and the charging member is made of a nonmagnetic material.Type: GrantFiled: January 28, 2002Date of Patent: August 31, 2004Assignee: Fuji Xerox Co., Ltd.Inventors: Kazuya Yamanoi, Shigeo Ohno, Shigeki Nishimura, Yasuyuki Tsutsumi, Ryuichi Yamamoto, Yusuke Kitagawa, Noritaka Ide, Tadashi Kiyama, Masahiro Satoh, Toshio Masubuchi, Hiromitsu Koizumi
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Patent number: 6594461Abstract: A charger has a cylindrical rotation tube coming in contact with an image receptor on which a toner image is formed, the rotation tube to which a predetermined charge bias is applied, and drive means for driving the rotation tube at a predetermined peripheral speed, the charger for uniformly charging the surface of the image receptor. When the peripheral speed of the image receptor is V1 and the peripheral speed of the rotation tube is V2, the following relation is satisfied: 1.01<(V2/V1)≦1.10.Type: GrantFiled: October 25, 2001Date of Patent: July 15, 2003Assignee: Fuji Xerox Co., Ltd.Inventors: Shigeo Ohno, Ryuichi Yamamoto, Yusuke Kitagawa, Kazuya Yamanoi, Tadashi Kiyama, Noritake Ide, Michiaki Takahashi, Toshihiko Mitsuhashi, Satoru Hirosaki, Masahiro Satoh, Hiromitsu Koizumi
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Patent number: 6589700Abstract: In an image recording apparatus, the surface of an image carrier is formed of a material having a high affinity to particulates the particle size of which is smaller than toner and the surfaces of which have been treated to be hydrophobic, so that a layer of the particulates treated to be hydrophobic is retained on the surface of the image carrier.Type: GrantFiled: September 14, 2001Date of Patent: July 8, 2003Assignee: Fuji Xerox Co., Ltd.Inventors: Yasuyuki Tsutsumi, Shigeki Nishimura, Kazuya Yamanoi, Tadashi Kiyama, Kazuo Maruyama
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Transfer device, image-forming apparatus using the same and method for producing transferring member
Patent number: 6510307Abstract: A transfer device for transferring an image on an image carrier 1 to a recording material 2, the transfer device includes a transferring member 4 adapted to nip and convey the recording material 2 between the transferring member 4 and the image carrier 1, a guard resin layer 5 having a surface microhardness not smaller than surface microhardness corresponding to polyimide, the guard resin layer 5 provided on a surface of the transferring member 4, and an adjustment resistance layer 6 provided as a ground layer of the guard resin layer 5, the adjustment resistance layer 6 adapted to inhibit an accumulation of charge in the guard resin layer 5. Or, the guard resin layer 5 made of an epoxy resin is provided on the surface of the transferring member 4, the adjustment resistance layer 6 having a smooth interface with the guard resin layer 5, the adjustment resistance layer 6 adapted to inhibit accumulation of charge in the guard resin layer.Type: GrantFiled: September 4, 2001Date of Patent: January 21, 2003Assignee: Fuji Xerox Co., Ltd.Inventors: Masahiro Sato, Toshihiko Mitsuhashi, Yusuke Kitagawa, Kazuya Yamanoi, Ryuichi Yamamoto, Hiroyuki Okawa, Koji Miyake, Koichi Matsumoto, Takeshi Kawai, Shoichi Morita, Toshio Masubuchi -
Publication number: 20030012584Abstract: A charging member 2a of a charger 2 is disposed under the effect of a magnetic field produced by a magnetic field production member 4b of a developing device 4 and is made of a nonmagnetic material. The charger 2 comprises the charging member 2a and a removal member 2b disposed in contact with an photoreceptor 1 in the upstream of the charging member 2a, the removal member 2b for removing a deposit on the photoreceptor 1 and the charging member 2a is disposed under the effect of a magnetic field produced by the magnetic field production member 4b of the developing device 4 and is made of a nonmagnetic material. On the other hand, the removal member 2b is disposed under the effect of a magnetic field produced by the magnetic field production member 4b of the developing device 4 and is made of a magnetic material.Type: ApplicationFiled: January 28, 2002Publication date: January 16, 2003Applicant: FUJI XEROX CO., LTD.Inventors: Kazuya Yamanoi, Shigeo Ohno, Shigeki Nishimura, Yasuyuki Tsutsumi, Ryuichi Yamamoto, Yusuke Kitagawa, Noritaka Ide, Tadashi Kiyama, Masahiro Satoh, Toshio Masubuchi, Hiromitsu Koizumi
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Publication number: 20020154922Abstract: A charger has a cylindrical rotation tube coming in contact with an image receptor on which a toner image is formed, the rotation tube to which a predetermined charge bias is applied, and drive means for driving the rotation tube at a predetermined peripheral speed, the charger for uniformly charging the surface of the image receptor.Type: ApplicationFiled: October 25, 2001Publication date: October 24, 2002Applicant: FUJI XEROX CO., LTD.Inventors: Shigeo Ohno, Ryuichi Yamamoto, Yusuke Kitagawa, Kazuya Yamanoi, Tadashi Kiyama, Noritake Ide, Michiaki Takahashi, Toshihiko Mitsuhashi, Satoru Hirosaki, Masahiro Satoh, Hiromitsu Koizumi
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Transfer device, image-forming apparatus using the same and method for producing transferring member
Publication number: 20020102115Abstract: A transfer device for transferring an image on an image carrier 1 to a recording material 2, the transfer device comprises a transferring member 4 adapted to nip and convey the recording material 2 between the transferring member 4 and the image carrier 1, a guard resin layer 5 having a surface microhardness not smaller than surface microhardness corresponding to polyimide, the guard resin layer 5 provided on a surface of the transferring member 4, and an adjustment resistance layer 6 provided as a ground layer of the guard resin layer 5, the adjustment resistance layer 6 adapted to inhibit an accumulation of charge in the guard resin layer 5. Or, the guard resin layer 5 made of an epoxy resin is provided on the surface of the transferring member 4, the adjustment resistance layer 6 having a smooth interface with the guard resin layer 5, the adjustment resistance layer 6 adapted to inhibit accumulation of charge in the guard resin layer.Type: ApplicationFiled: September 4, 2001Publication date: August 1, 2002Applicant: FUJI XEROX CO., LTD.Inventors: Masahiro Sato, Toshihiko Mitsuhashi, Yusuke Kitagawa, Kazuya Yamanoi, Ryuichi Yamamoto, Hiroyuki Okawa, Koji Miyake, Koichi Matsumoto, Takeshi Kawai, Shoichi Morita, Toshio Masubuchi -
Publication number: 20020064720Abstract: In an image recording apparatus, the surface of an image carrier is formed of a material having a high affinity to particulates the particle size of which is smaller than toner and the surfaces of which have been treated to be hydrophobic, so that a layer of the particulates treated to be hydrophobic is retained on the surface of the image carrier.Type: ApplicationFiled: September 14, 2001Publication date: May 30, 2002Applicant: Fuji Xerox Co., Ltd.Inventors: Yasuyuki Tsutsumi, Shigeki Nishimura, Kazuya Yamanoi, Tadashi Kiyama, Kazuo Maruyama