Patents by Inventor Masanori Murase
Masanori Murase 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: 8055164Abstract: A developer storage case includes: a storage case that includes a discharge opening formed in the horizontal direction side surface thereof, that is formed in a flat shape having a horizontal direction width larger than the vertical direction height thereof, and that stores a developer therein; a delivery member that has a center of rotation disposed shifted to the discharge opening, that is rotatably supported on one end wall of the storage case, and that delivers the developer stored within the storage case; and a drive transmission member that is supported on the end portion of the delivery member, and that drives and rotates the delivery member.Type: GrantFiled: December 8, 2010Date of Patent: November 8, 2011Assignee: Fuji Xerox Co., Ltd.Inventors: Kazuhiro Saito, Masanori Murase
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Patent number: 7941073Abstract: The toner cartridge is provided with: a toner storing container of a rectangular shape having a toner feeding opening in an angular portion of the toner storing container; a stirring conveying member that is disposed so as to rotate in a predetermined rotation direction in the toner storing container and stirs and conveys toner in the toner storing container toward the toner feeding opening; a waste toner storing container that stores reclaimed toner; and a partition member that is held by the toner storing container, partitions between the toner storing container and the waste toner storing containers and has a bearing portion axially supporting a rotating shaft of the stirring conveying member and extending into inside of the waste toner storing container. The toner stored in the toner storing container has an average value of a shape factor (SF1) of about 130 or less.Type: GrantFiled: December 17, 2007Date of Patent: May 10, 2011Assignee: Fuji Xerox Co., Ltd.Inventors: Seiichi Takagi, Yasushige Nakamura, Takashi Hino, Tsutomu Uezono, Masanori Murase, Koichi Tanaka, Kazuhiro Saito
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Publication number: 20110076063Abstract: A developer storage case includes: a storage case that includes a discharge opening formed in the horizontal direction side surface thereof, that is formed in a flat shape having a horizontal direction width larger than the vertical direction height thereof, and that stores a developer therein; a delivery member that has a center of rotation disposed shifted to the discharge opening, that is rotatably supported on one end wall of the storage case, and that delivers the developer stored within the storage case; and a drive transmission member that is supported on the end portion of the delivery member, and that drives and rotates the delivery member.Type: ApplicationFiled: December 8, 2010Publication date: March 31, 2011Applicant: FUJI XEROX CO., LTD.Inventors: Kazuhiro SAITO, Masanori MURASE
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Patent number: 7873308Abstract: A developer storage case includes: a storage case that includes a discharge opening formed in the horizontal direction side surface thereof, that is formed in a flat shape having a horizontal direction width larger than the vertical direction height thereof, and that stores a developer therein; a delivery member that has a center of rotation disposed shifted to the discharge opening, that is rotatably supported on one end wall of the storage case, and that delivers the developer stored within the storage case; and a drive transmission member that is supported on the end portion of the delivery member, and that drives and rotates the delivery member.Type: GrantFiled: December 4, 2007Date of Patent: January 18, 2011Assignee: Fuji Xerox Co., Ltd.Inventors: Kazuhiro Saito, Masanori Murase
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Publication number: 20080286014Abstract: A developer storage case includes: a storage case that includes a discharge opening formed in the horizontal direction side surface thereof, that is formed in a flat shape having a horizontal direction width larger than the vertical direction height thereof, and that stores a developer therein; a delivery member that has a center of rotation disposed shifted to the discharge opening, that is rotatably supported on one end wall of the storage case, and that delivers the developer stored within the storage case; and a drive transmission member that is supported on the end portion of the delivery member, and that drives and rotates the delivery member.Type: ApplicationFiled: December 4, 2007Publication date: November 20, 2008Applicant: FUJI XEROX CO., LTD.Inventors: Kazuhiro SAITO, Masanori MURASE
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Publication number: 20080260441Abstract: The toner cartridge is provided with: a toner storing container of a rectangular shape having a toner feeding opening in an angular portion of the toner storing container; a stirring conveying member that is disposed so as to rotate in a predetermined rotation direction in the toner storing container and stirs and conveys toner in the toner storing container toward the toner feeding opening; a waste toner storing container that stores reclaimed toner; and a partition member that is held by the toner storing container, partitions between the toner storing container and the waste toner storing containers and has a bearing portion axially supporting a rotating shaft of the stirring conveying member and extending into inside of the waste toner storing container. The toner stored in the toner storing container has an average value of a shape factor (SF1) of about 130 or less.Type: ApplicationFiled: December 17, 2007Publication date: October 23, 2008Applicant: FUJI XEROX CO., LTD.Inventors: Seiichi TAKAGI, Yasushige NAKAMURA, Takashi HINO, Tsutomu UEZONO, Masanori MURASE, Koichi TANAKA, Kazuhiro SAITO
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Publication number: 20080179939Abstract: A vehicle wheel 1 having a plurality of subsidiary air chambers 3, which is annularly incorporated on a rim outer peripheral surface 4, a cover member 13 having a lug part extended over the entire periphery and a stepped part extended over its periphery along the inside of the lug part 16, and a bottom plate member 14 being superimposed with each other through a seal member made of an elastic member and interposed therebetween in an airtight manner, and the cover member 13 and the rim outer peripheral surface 4 being joined to each other in a joint part 10, wherein the cover member 13 and the rim outer peripheral surface 4 are made into contact with each other so as to form a subsidiary air chamber 3 having air-tightness.Type: ApplicationFiled: January 23, 2008Publication date: July 31, 2008Applicants: ASAHI TEC CORPORATION, BRIDGESTONE CORPORATIONInventors: Shunsuke Kusaka, Masami Yamamoto, Hideki Michisaka, Yoshifumi Kubota, Katsuyoshi Takahata, Shinya Katai, Tomoyasu Yamaguchi, Masanori Murase, Masami Ishida, Satoru Kawamata
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Patent number: 6981535Abstract: An elastic wheel includes a disk (1) having a base rim (2), a rim (3) for supporting a tire (10), and an annular elastic rubber body (4) arranged between the outer peripheral surface of the base rim (2) and the inner peripheral surface of the rim (3). A gap is formed between the elastic rubber body (4) and the outer peripheral surface of the base rim (2) or the inner peripheral surface of the rim (3). The elastic rubber body (4) with the gap has a spring constant that shifts from a smaller value to a larger value as the input load increases, so that it absorbs vibration under small input conditions while being prevented from undergoing substantial deformation under large input conditions. The elastic wheel ensures riding comfortablesess performance and provides improved vibrationproof performance and soundproof performance, regardless of whether the input load is small or large, without sacrificing durability and safety.Type: GrantFiled: August 1, 2000Date of Patent: January 3, 2006Assignees: Bridgestone Corporation, Topy Industries, LimitedInventors: Hirohumi Kikuchi, Katsumi Tashiro, Masanori Murase, Keiichiro Mizuno
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Patent number: 6782930Abstract: An elastic wheel, comprising a disk (1) having a base rim (2) and a rim (3) pivotally supporting a tire (10), wherein a projected part (5) with a generally trapezoidal cross-section in the wheel axis direction is formed in a well of the rim (3), and a pair of elastic rubber bodies (6) are provided annually between the outer surfaces of a pair of wall parts (4a, 4b) formed by bending the both sides of the base rim (2) at a sharp angle and the rim inner peripheral surface of the generally trapezoidal projected part (5), whereby vibration can be absorbed by both the shearing deformation and compressive deformation of the installed elastic rubber bodies (6) so as to increase riding comfort, vibration proofing, and sound proofing performances in the area ranging from small input to large input, the sound proofing performance being very effective for sound in a high frequency area of 100 Hz or higher.Type: GrantFiled: June 21, 2002Date of Patent: August 31, 2004Assignee: Bridgestone CorporationInventors: Hirohumi Kikuchi, Katsumi Tashiro, Masanori Murase
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Patent number: 6732775Abstract: An elastic wheel having a disk 1 equipped with a base rim 2 and a rim 3 for supporting a tire includes a pair of guides 4 fixed annularly on the inner peripheral surface of the rim 3 and a pair of wall portions 5 fixed annularly on the both side areas in the axial direction of the wheel on the outer peripheral surface of the base rim 2, where rubber elastic bodies 6 are fitted annularly between the side surfaces of the guides 4 and the side surfaces of the wall portions, respectively. The elastic bodies 6 being installed are able to absorb vibrations by their shearing deformations, so that especially the riding comfortableness performance, the vibrationproof performance, and the soundproof performance can be improved against the small input load. Regarding the soundproof performance, furthermore, it is extremely effective on a high frequency area of 100 Hz or higher.Type: GrantFiled: February 4, 2002Date of Patent: May 11, 2004Assignee: Bridgestone CorporationInventors: Hirohumi Kikuchi, Katsumi Tashiro, Masanori Murase, Keiichiro Mizuno
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Publication number: 20020189731Abstract: An elastic wheel, comprising a disk (1) having a base rim (2) and a rim (3) pivotally supporting a tire (10), wherein a projected part (5) with a generally trapezoidal cross-section in the wheel axis direction is formed in a well of the rim (3), and a pair of elastic rubber bodies (6) are provided annually between the outer surfaces of a pair of wall parts (4a, 4b) formed by bending the both sides of the base rim (2) at a sharp angle and the rim inner peripheral surface of the generally trapezoidal projected part (5), whereby vibration can be absorbed by both the shearing deformation and compressive deformation of the installed elastic rubber bodies (6) so as to increase riding comfort, vibration proofing, and sound proofing performances in the area ranging from small input to large input, the sound proofing performance being very effective for sound in a high frequency area of 100 Hz or higher.Type: ApplicationFiled: June 21, 2002Publication date: December 19, 2002Inventors: Hirohumi Kikuchi, Katsumi Tashiro, Masanori Murase
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Patent number: 5470682Abstract: An electrophotographic photoreceptor comprising a photosensitive layer containing granular trigonal selenium which has a mean particle diameter of not more than 5 .mu.m and which has absorption peaks in the X-ray diffraction spectrum using CuK.alpha. characteristic X-rays at Bragg angles (2.degree..theta..+-.0.2.degree.) of 23.5.degree., 29.7.degree., 41.4.degree., and 45.4.degree., is disclosed, which has high photosensitivity and low residual potential, maintains its potential characteristics in a stable manner on repeated use, and exhibits sufficient photosensitivity even when applied to high-speed copying.Type: GrantFiled: January 29, 1993Date of Patent: November 28, 1995Assignee: Fuji Xerox Co., Ltd.Inventors: Seiji Ashiya, Takahiro Suzuki, Masanori Murase
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Patent number: 5443934Abstract: An electrophotographic photoreceptor comprising an electrically conductive substrate having thereon a subbing layer and a photosensitive layer in sequence, wherein the subbing layer is a layer formed by using a hydrolyzable compound, the layer having a residual organic group content of at least 25 mol % based on the total organic group content of the hydrolyzable compound used, or (ii) by coating a solution of the hydrolyzable compound in an organic solvent in which the hydrolyzable compound has been hydrolyzed to a degree of at least 50%. The coating composition exhibits satisfactory film-forming properties to form a subbing layer without causing cracks which thereby provides an electrophotographic photoreceptor with excellent stability on repeated use.Type: GrantFiled: January 29, 1993Date of Patent: August 22, 1995Assignee: Fuji Xerox Co., Ltd.Inventors: Takahiro Suzuki, Seiji Ashiya, Masanori Murase
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Patent number: 5403688Abstract: A method for determining a termination time of the step of dispersing a coating composition for a photosensitive layer, containing a binder resin, a powdery charge generating material and a solvent, is disclosed, which comprises (i) providing coating (I) on a substrate by coating the coating composition, following by drying, (ii) providing coating (II) on a substrate by dispersing the coating composition using a dispersion medium to fine the powdery charge generating material, followed by drying, (iii) measuring absorbances of coating (I) at two wavelengths within a short wavelength region and a long wavelength region, respectively, of the spectral absorption wavelength of the charge generating material, (iv) measuring absorbances of coating (II) at the two wavelengthes within the short wavelength region and the long wavelength region, respectively, and (v) calculating spectral absorbance ratios of coatings (I) and (II), respectively, from the following equation: ##EQU1## wherein the dispersing of the coatingType: GrantFiled: January 28, 1991Date of Patent: April 4, 1995Assignee: Fuji Xerox Co., Ltd.Inventors: Seiji Ashiya, Taketoshi Hoshizaki, Ryosaku Igarashi, Koji Bando, Masanori Murase, Takahiro Suzuki, Masahiko Hodumi, Sadao Okano
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Patent number: 5324606Abstract: An electrophotographic photoreceptor comprising a conductive substrate having thereon a photosensitive layer as the uppermost layer, in which the photosensitive layer contains two charge transporting materials different in ionization potential, a charge transporting material having a higher ionization potential is present in the amount equimolar to or in an amount less than the equimolar amount to the other charge transporting material having a lower ionization potential.Type: GrantFiled: November 17, 1992Date of Patent: June 28, 1994Assignee: Fuji Xerox Co., Ltd.Inventors: Masahiko Hodumi, Masanori Murase, Sadao Okano, Koji Bando, Takahiro Suzuki, Seiji Ashiya
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Patent number: 5294509Abstract: An electrophotographic photoreceptor comprising a conductive substrate having thereon a charge generating layer comprising a binder resin having dispersed therein a charge generating material and a charge transporting layer containing a charge transporting material is disclosed, wherein the ionization potential of the binder resin, I.sub.pb, the ionization potential of the charge generating material, I.sub.pg, and the ionization potential of the charge transporting material, I.sub.pt, satisfy the following relationship:I.sub.pg .ltoreq.I.sub.pb <I.sub.pt orI.sub.pt <I.sub.pb .ltoreq.I.sub.pg.The photoreceptor has high photosensitivity and excellent environmental stability.Type: GrantFiled: January 14, 1993Date of Patent: March 15, 1994Assignee: Fuji Xerox Co., Ltd.Inventors: Seiji Ashiya, Takahiro Suzuki, Masanori Murase
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Patent number: 5252422Abstract: A novel method for preparing an electrophotographic photoreceptor is disclosed, which comprises laminating a charge generating layer and a charge transporting layer in this order on an electrically conductive substrate via an undercoating layer, wherein the coating solution for said undercoating layer contains an alkoxide coupling agent represented by formula (I), an aliphatic alcohol solvent containing at least the same number of carbon atoms as in the alkoxy group in said alkoxide coupling agent, and at least one compound selected from the group consisting of aromatic solvents, ethylene glycols and propylene glycols:X.sub.m --m--(OR.sub.1).sub.N (I)wherein R.sub.Type: GrantFiled: January 31, 1992Date of Patent: October 12, 1993Assignee: Fuji Xerox Co., Ltd.Inventors: Sadao Okano, Takahiro Suzuki, Masanori Murase, Koji Bando, Seiji Ashiya
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Patent number: 5188916Abstract: A novel electrophotographic photoreceptor is disclosed, comprising an undercoating layer provided on an electrically conductive substrate having thereon a light-sensitive layer, wherein the undercoating layer is obtained by coating a solution of a composition comprising zirconium and silicon or a solution of a mixture of a zirconium acetyl acetonate compound and a silane coupling agent, the silicon content in the composition comprising zirconium and silicon is in the range of 5 to 35 mol % based on the total amount of zirconium and silicon, and the hardened undercoating layer obtained from the zirconium acetyl acetonate compound and silane coupling agent is a layer having a hardening degree of 1.2 or less.Type: GrantFiled: September 9, 1991Date of Patent: February 23, 1993Assignee: Fuji Xerox Co., Ltd.Inventors: Masahiko Hodumi, Koji Bando, Takahiro Suzuki, Shigeto Hashiba, Yoshiyuki Ono, Sadao Okano, Seiji Ashiya, Masanori Murase
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Patent number: 5168130Abstract: A noise reducing apparatus comprising a first passageway group consisting of a plurality of first passageways aligned in parallel with each other for forming a first flat wave A by sound waves having a first same phase passed through each first passageway from a sound source, and a second passageway group consisting of a plurality of second passageways aligned in parallel with each other for forming a second flat wave B by sound waves being a second same phase passed through each second passageway from the sound source, said first passageway group having positioned above said second passageway group, and the phase of said first flat wave being advanced by a phase difference of 240.degree..+-.60.degree. with respect to the phase of said second flat wave to thereby reduce noise emitted from the sound source by interference of the first and second flat waves A and B.Type: GrantFiled: July 6, 1989Date of Patent: December 1, 1992Assignee: Bridgestone CorporationInventors: Hiroshi Shima, Masanori Murase, Naotaka Tomita, Kazuyoshi Iida
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Patent number: 5121811Abstract: A noise reducing device for printers including a noise reducing hollow body consisting of at least one hollow duct at one side of a sheet delivery opening opposedly arranged to a printed sheet guiding-receiving member positioned at the other side of the sheet delivery opening, and the hollow duct is oriented such that a noise outlet thereof is opened towards the upper surface of the sheet guiding-receiving member.Type: GrantFiled: January 19, 1990Date of Patent: June 16, 1992Assignee: Bridgestone CorporationInventors: Hiroshi Shima, Masanori Murase, Naotaka Tomita, Kazuyoshi Iida