Patents by Inventor Takao Shiozawa
Takao Shiozawa 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: 5449157Abstract: A recording sheet finishing apparatus connected with an image forming apparatus, in which recording sheets delivered from the image forming apparatus are stapled and the stapled sheets are ejected. The apparatus includes a plurality of stackers each having at least one stapler. The apparatus further includes a control means in which the recording sheets delivered from the image forming apparatus are stapled alternately by the staplers for each set of recording sheets and after that, each of the stapled set of recording sheets are delivered from the stapler to a delivery sheet tray, where a conveyor belt which transports the stack is operated at two different speeds with an initial speed followed by a faster speed to prevent damage to the stack.Type: GrantFiled: January 31, 1994Date of Patent: September 12, 1995Assignee: Konica CorporationInventors: Minoru Kawano, Izumi Hamanaka, Mitsuru Nagoshi, Takao Shiozawa, Toshitaka Matsumoto, Shigemi Yukizane
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Patent number: 5307116Abstract: An image forming apparatus such as a copier or a printer for forming an image of a document on a recording paper. The image forming apparatus includes a paper feed tray for holding the recording paper; a conveyance unit for conveying the recording paper from the paper feed tray; a image forming section for forming a toner image of the document onto the recording paper; a fixing unit for fixing the toner image on the recording paper; a detector for detecting a paper jam between the units, and for generating a detection signal; a locking member with a solenoid for locking one of the units in another; a controller for controlling the locking member according to the detection signal so that both of the units are resisted from being removed separately when the paper jam occurs between the units.Type: GrantFiled: July 19, 1993Date of Patent: April 26, 1994Assignee: Konica CorporationInventors: Yoshikazu Ikunami, Susumu Okui, Kazunobu Miura, Takao Shiozawa, Hiroaki Ura, Masaru Ushio
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Patent number: 4878657Abstract: A sheet conveyance apparatus composed of a unit which is driven independently of an image forming part of the electrophotographic copying apparatus. The sheet conveyance apparatus is disposed between a sheet feed apparatus and the image-forming part having a photoreceptor on the electrographic copying apparatus. A loop is consistently maintained on the sheet as it is transported within the sheet conveyance apparatus which also includes registration rollers incorporated therein. After the loop is formed, the sheet is stopped at the registration rollers to correct skew. Then, the registration rollers convey the sheet to the image-forming part.Type: GrantFiled: December 21, 1987Date of Patent: November 7, 1989Assignee: Konica CorporationInventors: Hiroaki Ura, Takao Shiozawa
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Patent number: 4852635Abstract: A method of electromagnetically stirring molten metal in an unsolidified portion of a continuously cast strand by a magnetic field formed by applying alternating current to at least two exciting coils, the method comprising: supplying to one of the exciting coils a first alternating current of a frequency in the range of 1-60 Hz and to the other one of the exciting coils a second alternating current with a frequency difference in the range of 0.03-0.25 Hz from the first alternating current to form a varying composite magnetic field thereby to induce stirred movement of varying direction and intensity in the molten metal.Type: GrantFiled: November 8, 1984Date of Patent: August 1, 1989Assignee: Kabushiki Kaisha Kobe Seiko ShoInventors: Toshiyasu Onishi, Kenzo Ayata, Hiroshi Takagi, Yasuo Suzuki, Yasuhiko Ohta, Takao Shiozawa, Koichi Fujiwara, Masakazu Itashiki
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Patent number: 4788571Abstract: A paper feeding device wherein a backing plate for carrying thereon papers is moved up and down by a lifting device, a rotating device rotates a rear regulating member mounted on the backing plate with respect to the backing plate while the crest of the rear regulating member makes contact with a cover of a paper container when the backing plate is lifted by the lifting device.Type: GrantFiled: February 6, 1987Date of Patent: November 29, 1988Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Hiroaki Ura, Takao Shiozawa
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Patent number: 4595279Abstract: A recording apparatus includes an electrostatic image support and a fixing device. The toner image formed on the electrostatic image support is transferred onto a copy paper, and the copy paper is separated from the surface of the electrostatic image support and then fed to the fixing device to fuse the toner image, for example by heat. A device is provided for distinguishing the relation in the length between the distance (A) from the separating position at which the copy paper is separated from the electrostatic image support to the fixing position of the fixing device, and the length (B) of the copy paper in the transport direction. A control device controls the relative circumferential speeds of the electrostatic image support and the copy paper transport apparatus provided inside the fixing device as a function of the distinguished relation between said lengths (A) and (B).Type: GrantFiled: October 5, 1984Date of Patent: June 17, 1986Assignee: Konishiroku Photo Ind. Co., Ltd.Inventors: Hiroshi Kuru, Hirofumi Sakaguchi, Takao Shiozawa
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Patent number: 4572498Abstract: A sheet feeder for feeding and separating individual sheets from a stack of sheets includes a sheet feeding member mounted for sheet feeding engagement with the stack of sheets and a peeling member for preventing double-feeding of sheets. The peeling member is arranged to be movable from an operative position to an inoperative position corresponding to an insertion of the stack of sheets so as to be brought into pressure contact with the sheet feeding member in a state of the insertion of the stack of sheets.Type: GrantFiled: September 27, 1983Date of Patent: February 25, 1986Assignee: Konishiroku Photo Industry Co., Ltd.Inventor: Takao Shiozawa
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Patent number: 4509737Abstract: A sheet double feeding prevention member is moveable into contact with a transporting member. A swing member is provided for supporting the double feeding prevention member. A moveable fitting positions the swing member at an operative position for adjustment relative to the transporting member.Type: GrantFiled: August 25, 1982Date of Patent: April 9, 1985Assignee: Konishiroku Photo Industry Co., Ltd.Inventor: Takao Shiozawa
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Patent number: 4504053Abstract: An electrophotographic copying machine is placed upon a pedestal type supplementary paper feeding device which includes a base table supporting a paper containing bin having a pallet which rests upon a lift on the base table. The bin has a cut-out section through which the lift moves against the pallet for raising the stacked paper to a feeding mechanism at the top of the lift for supplying paper to the copying machine.Type: GrantFiled: January 28, 1982Date of Patent: March 12, 1985Assignee: Konishiroku Photo Industry Co., Ltd.Inventor: Takao Shiozawa
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Patent number: 4432633Abstract: An electrophotographic reproducing apparatus in which a reproducing apparatus body unit including an electrostatic latent image receptor such as a photosensitive member and other electrophotographic treating device is assembled in advance whereas an optical scanning unit including at least a document illumination lamp, a group of mirrors and a group of focusing lenses is assembled in advance in a predetermined positional relationship to the reproducing apparatus body unit, and both the units thus assembled are jointed at predetermined reference planes to each other and so integrated that they can be driven cooperatively with each other. Said two units further include jointing device at their respective predetermined reference planes.Type: GrantFiled: January 28, 1982Date of Patent: February 21, 1984Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Isao Nosaka, Hirofumi Sakaguchi, Takao Shiozawa, Yozo Fujii
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Patent number: 4408867Abstract: A driving device for optical scanning unit of electrophotographic reproducing apparatus wherein a variable speed transmission of the driving mechanism of the optical scanning unit is installed on the outside of the drive mechanism mounting panel so that the desired speed ratio can be obtained by replacing the minimum amount of parts required.Type: GrantFiled: February 24, 1982Date of Patent: October 11, 1983Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Yozo Fujii, Takao Shiozawa