Patents by Inventor Daijiro Kato
Daijiro Kato 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: 8864123Abstract: An image forming apparatus includes a manual feed portion provided on a side surface of a housing that accommodates an image forming portion and having an abutting portion against which a downstream end in a sheet feeding direction of a sheet inserted into a gap between the manual feed portion and the side surface abuts. The manual feed portion also includes a holding portion configured to hold the sheet such that a sheet surface is held along the side surface of the housing in the condition in which the downstream end of the sheet abuts against the abutting portion.Type: GrantFiled: June 5, 2013Date of Patent: October 21, 2014Assignee: Canon Kabushiki KaishaInventors: Nobuto Kamiyama, Keiko Fujita, Daijiro Kato, Kohei Koshida, Hiroshi Saito, Yuya Ootsuka
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Patent number: 8810150Abstract: A lamp drive device L is provided that can both light a lamp and sustain a discharge by applying a trigger voltage while a direct current voltage is supplied from a power supply circuit to the electrodes of lamp before the start of discharge. The device includes a reference amount-of-change storage unit for storing a threshold value T for the amount of change in the electrode voltage before and after start of discharge, a difference calculation unit for calculating the difference (A?B) between the voltage monitor value B after the start of discharge and the voltage monitor value A before the start of discharge, and a lighting status determination unit for determining the lighting status by comparing the difference (A?B) and the threshold value T and making the determination based on the change in voltage before and after the discharge.Type: GrantFiled: June 5, 2012Date of Patent: August 19, 2014Assignee: Shimadzu CorporationInventors: Toshiro Kimura, Hideki Soya, Daijiro Kato
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Publication number: 20130328262Abstract: An image forming apparatus includes a manual feed portion provided on a side surface of a housing that accommodates an image forming portion and having an abutting portion against which a downstream end in a sheet feeding direction of a sheet inserted into a gap between the manual feed portion and the side surface abuts. The manual feed portion also includes a holding portion configured to hold the sheet such that a sheet surface is held along the side surface of the housing in the condition in which the downstream end of the sheet abuts against the abutting portion.Type: ApplicationFiled: June 5, 2013Publication date: December 12, 2013Inventors: Nobuto Kamiyama, Keiko Fujita, Daijiro Kato, Kohei Koshida, Hiroshi Saito, Yuya Ootsuka
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Publication number: 20130032996Abstract: An image forming apparatus is provided that can surely position a unit in an apparatus body with a simple configuration where the number of components is small. A drawing apparatus, which draws a sheet feeding cassette as a unit to a predetermined position of the apparatus body to position it, includes : a leaf spring that is an elastic member to jump-buckle; an engaging unit disposed in the leaf spring; and an engaged unit engaged with the engaging unit. When the unit is loaded on the apparatus body, the engaging unit engages the engaged unit, the elastic member jump-buckles, and accordingly the unit is drawn to the predetermined position of the apparatus body.Type: ApplicationFiled: July 31, 2012Publication date: February 7, 2013Applicant: CANON KABUSHIKI KAISHAInventors: Hitoshi Kubota, Daijiro Kato
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Publication number: 20120327411Abstract: A spectrophotometer has a specimen cell; a light source unit for emitting light to the specimen cell; a photodetector for detecting the light that passed through the specimen cell; a light-shielding unit for blocking the light from impinging on the photodetector at predetermined periods; a memory unit for storing output strength signals detected by the photodetector; and a controller for calculating transmittance or absorbance based on output strength signal S of the incidence duration and output strength signal DS of the light-blocked duration stored in the memory unit. The incidence duration and light-blocked duration occur in this sequence in a single period. The controller calculates the true output strength signal sN of the Nth period removed of the effects of output strength signal SN?1 of the incidence duration of the (N?1)th period that are included in the output strength signal SN of the incidence duration of the Nth period.Type: ApplicationFiled: June 20, 2012Publication date: December 27, 2012Applicant: SHIMADZU CORPORATIONInventors: Toshiro KIMURA, Tomoki SASAYAMA, Daijiro KATO
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Publication number: 20120319589Abstract: A lamp drive device L is provided that can both light a lamp 1 and sustain a discharge by applying a trigger voltage while a direct current voltage is supplied from a power supply circuit 7a to the electrodes of lamp 1 before the start of discharge. The device includes a reference amount-of-change storage unit 21 for storing a threshold value T for the amount of change in the electrode voltage before and after start of discharge, a difference calculation unit 11 for calculating the difference (A?B) between the voltage monitor value B after the start of discharge and the voltage monitor value A before the start of discharge, and a lighting status determination unit 12 for determining the lighting status by comparing the difference (A?B) and the threshold value T and making the determination based on the change in voltage before and after the discharge.Type: ApplicationFiled: June 5, 2012Publication date: December 20, 2012Applicant: SHIMADZU CORPORATIONInventors: Toshiro KIMURA, Hideki SOYA, Daijiro KATO
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Patent number: 8155576Abstract: The invention is to provide a miniaturized sheet processing apparatus in that a conveying length a conveying distance need not be increased even though the number of sheets per bundle increases. A glue applying bookbinder that partially glues sheets and performs a pressing process to form a sheet bundle. The glue applying bookbinder includes a processing tray that stacks sheets, a glue applying portion that applies a glue on the sheets on the processing tray, and pressing portions that press the sheets on the processing tray. The glue applying portion is arranged such that the glue applying portion can be moved from a first standby position outside the sheets stacked on the stacking portion to a second standby position, different from the first standby position, outside the sheets through an upper surface of the sheets, and the pressing portions are moved integrally with the glue applying portion.Type: GrantFiled: May 27, 2008Date of Patent: April 10, 2012Assignee: Canon Kabushiki KaishaInventors: Daijiro Kato, Katsuaki Hirai, Takeshi Aoyama, Masahiro Funakoshi, Shoko Magata, Yuichi Yamamoto
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Patent number: 7991337Abstract: An image heating apparatus of electromagnetic induction heating-type capable of providing a proper relative heat-generation distance with a magnetic flux generation member even when the magnetic flux generation member is bent by its own weight or thermally deformed includes at least an exciting coil, a holder for holding the exciting coil, and a rotatable fixation roller for generating heat by magnetic flux from the exciting coil to heat a material to be heated. The holder has an outer diameter ?d1 at a central portion and an outer diameter ?d2 at an end portion in a longitudinal direction of the holder perpendicular to a conveyance direction of the material to be heated. The outer diameters ?d1 and ?d2 satisfies: ?d1<?d2.Type: GrantFiled: September 14, 2009Date of Patent: August 2, 2011Assignee: Canon Kabushiki KaishaInventors: Koki Watanabe, Daijiro Kato
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Patent number: 7942399Abstract: The invention is to stabilize an amount of application of a glue to sheets, to stabilize adhesive force between the sheets, and to further improve the productivity of a glued sheet bundle. A sheet processing apparatus includes a processing tray 130 that stacks a sheet discharged by a pair of discharge rollers, an attitude changing unit 150 that displaces the aligned sheet bundle on the processing tray 130 to partially expose sheet surfaces, an adhesive agent delivery device 160 that applies a glue to the exposed parts of the sheet surfaces of the displaced sheet bundle on the processing tray 130, and a sheet bundle aligning portion such as aligning plates 140 and 141 that aligns the glued sheet bundle.Type: GrantFiled: May 27, 2008Date of Patent: May 17, 2011Assignee: Canon Kabushiki KaishaInventors: Katsuaki Hirai, Takeshi Aoyama, Shoko Magata, Yuichi Yamamoto, Masahiro Funakoshi, Daijiro Kato
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Patent number: 7857304Abstract: An image forming apparatus including a sheet bundle boundary detecting unit which detects a boundary of sheet bundles added to a sheet storage case, and a control unit which controls a feeding condition of sheet feeding unit based on a detection result of the sheet bundle boundary detecting unit. With this, overlapping-feeding and misfeeding at the boundary between the sheet bundles are reliably prevented.Type: GrantFiled: March 25, 2009Date of Patent: December 28, 2010Assignee: Canon Kabushiki KaishaInventors: Takuma Koizumi, Daijiro Kato, Kiyoshi Oyama
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Patent number: 7713015Abstract: Provided is a bookbinding apparatus including: a conveying unit which sequentially conveys sheets; a gluing unit which glues the sheets conveyed by the conveying unit; a stacking unit which sequentially stacks the sheets glued by the gluing unit; a pressurizing unit which pressurizes glued portions of the sheets stacked on the stacking unit; and a control unit which temporarily stops a stacking process carried out by the conveying unit onto the stacking unit and causes the pressurizing unit to execute a pressurizing process on the sheets stacked on the stacking unit when an operation interrupting event occurs during the stacking process.Type: GrantFiled: September 14, 2007Date of Patent: May 11, 2010Assignee: Canon Kabushiki KaishaInventors: Shoko Magata, Takeshi Aoyama, Masahiro Funakoshi, Yuichi Yamamoto, Daijiro Kato
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Publication number: 20100008705Abstract: An image heating apparatus of electromagnetic induction heating-type capable of providing a proper relative heat-generation distance with a magnetic flux generation member even when the magnetic flux generation member is bent by its own weight or thermally deformed includes at least an exciting coil, a holder for holding the exciting coil, and a rotatable fixation roller for generating heat by magnetic flux from the exciting coil to heat a material to be heated. The holder has an outer diameter ?d1 at a central portion and an outer diameter ?d2 at an end portion in a longitudinal direction of the holder perpendicular to a conveyance direction of the material to be heated. The outer diameters ?d1 and ?d2 satisfies: ?d1<?d2.Type: ApplicationFiled: September 14, 2009Publication date: January 14, 2010Applicant: CANON KABUSHIKI KAISHAInventors: Koki WATANABE, Daijiro KATO
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Patent number: 7610006Abstract: An image heating apparatus of electromagnetic induction heating-type capable of providing a proper relative heat-generation distance with a magnetic flux generation member even when the magnetic flux generation member is bent by its own weight or thermally deformed includes at least an exciting coil, a holder for holding the exciting coil, and a rotatable fixation roller for generating heat by magnetic flux from the exciting coil to heat a material to be heated. The holder has an outer diameter ?d1 at a central portion and an outer diameter ?d2 at an end portion in a longitudinal direction of the holder perpendicular to a conveyance direction of the material to be heated. The outer diameters ?d1 and ?d2 satisfies: ?d1<?d2.Type: GrantFiled: February 23, 2006Date of Patent: October 27, 2009Assignee: Canon Kabushiki KaishaInventors: Koki Watanabe, Daijiro Kato
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Publication number: 20090256304Abstract: An image forming apparatus includes sheet bundle boundary detecting unit which detects a boundary of sheet bundles added to a sheet storage case, and control unit which controls a feeding condition of sheet feeding unit based on a detection result of the sheet bundle boundary detecting unit. With this, overlapping-feeding and miss-feeding at the boundary between the sheet bundles are reliably prevented.Type: ApplicationFiled: March 25, 2009Publication date: October 15, 2009Applicant: CANON KABUSHIKI KAISHAInventors: Takuma Koizumi, Daijiro Kato, Kiyoshi Oyama
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Publication number: 20080296825Abstract: The invention is to provide a miniaturized sheet processing apparatus in that a conveying length a conveying distance need not be increased even though the number of sheets per bundle increases. A glue applying bookbinder that partially glues sheets and performs a pressing process to form a sheet bundle. The glue applying bookbinder includes a processing tray that stacks sheets, a glue applying portion that applies a glue on the sheets on the processing tray, and pressing portions that press the sheets on the processing tray. The glue applying portion is arranged such that the glue applying portion can be moved from a first standby position outside the sheets stacked on the stacking portion to a second standby position, different from the first standby position, outside the sheets through an upper surface of the sheets, and the pressing portions are moved integrally with the glue applying portion.Type: ApplicationFiled: May 27, 2008Publication date: December 4, 2008Applicant: CANON KABUSHIKI KAISHAInventors: Daijiro Kato, Katsuaki Hirai, Takeshi Aoyama, Masahiro Funakoshi, Shoko Magata, Yuichi Yamamoto
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Publication number: 20080298929Abstract: The invention is to stabilize an amount of application of a glue to sheets, to stabilize adhesive force between the sheets, and to further improve the productivity of a glued sheet bundle. A sheet processing apparatus includes a processing tray 130 that stacks a sheet discharged by a pair of discharge rollers, an attitude changing unit 150 that displaces the aligned sheet bundle on the processing tray 130 to partially expose sheet surfaces, an adhesive agent delivery device 160 that applies a glue to the exposed parts of the sheet surfaces of the displaced sheet bundle on the processing tray 130, and a sheet bundle aligning portion such as aligning plates 140 and 141 that aligns the glued sheet bundle.Type: ApplicationFiled: May 27, 2008Publication date: December 4, 2008Applicant: CANON KABUSHIKI KAISHAInventors: Katsuaki Hirai, Takeshi Aoyama, Shoko Magata, Yuichi Yamamoto, Masahiro Funakoshi, Daijiro Kato
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Publication number: 20080080959Abstract: Provided is a bookbinding apparatus including: a conveying unit which sequentially conveys sheets; a gluing unit which glues the sheets conveyed by the conveying unit; a stacking unit which sequentially stacks the sheets glued by the gluing unit; a pressurizing unit which pressurizes glued portions of the sheets stacked on the stacking unit; and a control unit which temporarily stops a stacking process carried out by the conveying unit onto the stacking unit and causes the pressurizing unit to execute a pressurizing process on the sheets stacked on the stacking unit when an operation interrupting event occurs during the stacking process.Type: ApplicationFiled: September 14, 2007Publication date: April 3, 2008Applicant: CANON KABUSHIKI KAISHAInventors: Shoko Magata, Takeshi Aoyama, Masahiro Funakoshi, Yuichi Yamamoto, Daijiro Kato
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Patent number: 7197270Abstract: A heating apparatus of an electromagnetic inductive heat generating type has a coil for generating a magnetic flux, a roller member for generating heat by the magnetic flux from the coil, and heating a material to be heated, and a magnetic flux shield member for shielding the magnetic flux from the coil to the roller member to thereby vary the generated heat distribution of the roller member, wherein provision is made for a guide provided in non-contact with the roller member for guiding the movement of the magnetic flux shield member to a predetermined magnetic flux suppressing position, thereby realizing an improvement in the faulty operation of the magnetic flux shield member.Type: GrantFiled: May 4, 2006Date of Patent: March 27, 2007Assignee: Canon Kabushiki KaishaInventors: Daijiro Kato, Koki Watanabe
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Publication number: 20060204292Abstract: A heating apparatus of an electromagnetic inductive heat generating type using magnetic flux shield means, having a coil for generating a magnetic flux, a roller member for generating heat by the magnetic flux from the coil, and heating a material to be heated, and a magnetic flux shield member for shielding the magnetic flux from the coil to the roller member to thereby vary the generated heat distribution of the roller member, wherein provision is made of guide means provided in non-contact with the roller member for guiding the movement of the magnetic flux shield member to a predetermined magnetic flux suppressing position, thereby realizing an improvement in the faulty operation of the magnetic flux shield member.Type: ApplicationFiled: May 4, 2006Publication date: September 14, 2006Applicant: Canon Kabushiki KaishaInventors: Daijiro Kato, Koki Watanabe
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Publication number: 20060204291Abstract: An image heating apparatus of electromagnetic induction heating-type capable of providing a proper relative heat-generation distance with a magnetic flux generation member even when the magnetic flux generation member is bent by its own weight or thermally deformed includes at least an exciting coil, a holder for holding the exciting coil, and a rotatable fixation roller for generating heat by magnetic flux from the exciting coil to heat a material to be heated. The holder has an outer diameter ?d1 at a central portion and an outer diameter ?d2 at an end portion in a longitudinal direction of the holder perpendicular to a conveyance direction of the material to be heated. The outer diameters ?d1 and ?d2 satisfies: ?d1<?d2.Type: ApplicationFiled: February 23, 2006Publication date: September 14, 2006Applicant: Canon Kabushiki KaishaInventors: Koki Watanabe, Daijiro Kato