Patents by Inventor Toshiyuki Sakai
Toshiyuki Sakai 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: 6225112Abstract: The promoter of the human p27Kip1 gene is provided. The promoter region is useful to screen a compound that regulates the promoter of the human p27Kip1 gene or regulates the activity of the promoter. It enables the gene therapy utilizing the promoter.Type: GrantFiled: June 23, 1998Date of Patent: May 1, 2001Assignee: Chugai Research Institute for Molecular Medicine, Inc.Inventors: Toshiyuki Sakai, Naoko Fujita
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Patent number: 6050173Abstract: A cam motor apparatus A is configured such that a cylinder block (2) rotating together with an output shaft (10) is internally provided with a plurality of cylinders (5, 5, . . . ) formed radially in a direction orthogonal to a rotational axis (X) of the cylinder block (2) and pistons (6) respectively housed in the cylinders are reciprocated by the action of working oil distributed thereto by a distribution valve (7) thereby rotating the output shaft. The cam motor apparatus A further includes a selector valve (9) for selectively communicating each of the cylinders with a supply passage (81) or a discharge passage (82) for working oil through the distribution valve. When the selector valve is in a low rotational speed position, working oil is supplied to and discharged from all the cylinders.Type: GrantFiled: June 25, 1998Date of Patent: April 18, 2000Assignee: Daikin Industries, Ltd.Inventors: Toshiyuki Sakai, Yoichiro Kotake, Toshihiro Naruse, Masaaki Suhara
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Patent number: 6011435Abstract: A transmission-line loss equalizing circuit includes an equalizer, a gain control circuit for controlling the gain of the equalizer based upon the peak value of an equalized output, a slicer for slicing the equalized output and outputting a data pulse, a timing extraction pulse and an equalization control pulse, a DC feedback level detector for detecting a DC component of the equalized output and feeding the DC component back to the equalizer, and an attenuating circuit provided as an initial stage of the equalizer. A plurality of .sqroot.fAGC circuits constructing the equalizer are cascade-connected and constructed by a differential non-inverting amplifier.Type: GrantFiled: January 6, 1997Date of Patent: January 4, 2000Assignee: Fujitsu LimitedInventors: Masato Takeyabu, Norio Murakami, Yasutaka Yamagata, Toshiyuki Sakai
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Patent number: 5951115Abstract: The present invention is directed to a brake control system for an electrically operated vehicle which is adapted to add a hydraulic braking operation to a regenerative braking operation, or change the former for the latter, rapidly and smoothly. An electric motor is operatively connected to a wheel for rotating the wheel, and a motor control unit for controlling the electric motor to apply a rotating force and a regenerative braking force to the wheel. In a main passage for connecting a master cylinder with a wheel brake cylinder, a pressure limit changeover device is disposed.Type: GrantFiled: July 30, 1997Date of Patent: September 14, 1999Assignees: Aisin Seiki Kabushiki Kaisha, Toyota Jidosha Kabushiki KaishaInventors: Toshiyuki Sakai, Masamoto Ando, Naoyasu Enomoto, Shingo Urababa, Harumi Ohori
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Patent number: 5882093Abstract: The present invention is directed to a brake control system for controlling a braking force applied to a wheel of an electrically operated vehicle. A changeover device is disposed in a main passage for selectively placing one of a first operating position where a static hydraulic pressure supplied from a master cylinder to a wheel brake cylinder is controlled to be lower than a master cylinder pressure generated from the master cylinder when an electric motor applies the regenerative braking force to the wheel, and a second operating position where the static hydraulic pressure is controlled to be substantially equal to the master cylinder pressure when the electric motor does not apply the regenerative braking force to the wheel.Type: GrantFiled: June 18, 1997Date of Patent: March 16, 1999Assignee: Aisin Seiki Kabushiki KaishaInventors: Naoyasu Enomoto, Masamoto Ando, Toshiyuki Sakai
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Patent number: 5863157Abstract: A throwaway ball end mill comprising an end mill body and a tip pressed by a clamp screw onto a cutout formed at the forward end of the end mill body. The cutout is formed in a longitudinal direction with respect to the end mill body, and a pair of lateral regions forked by the cutout have opposite flat surfaces, the lateral regions have clamp holes formed in a direction making a right angle with the cutout, one clamp hole has a conical surface extending toward the periphery of the corresponding lateral region, and the other clamp hole has a female thread formed therein,the centerline of the conical surface is deviated from that of the clamp holes toward the base end of the end mill body. When the clamp screw is tightened with the tip inserted in the cutout, the tip is pressed against the end of the cutout accordingly, and at the same time one lateral region is bent toward the other lateral region.Type: GrantFiled: April 18, 1997Date of Patent: January 26, 1999Assignee: Ryoco Seiki Co., Ltd.Inventors: Makoto Harano, Toshiyuki Sakai, Yuko Kitou
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Patent number: 5644292Abstract: An alarm termination apparatus includes: a bi-directionally accessible random access memory for storing alarm bits sampled from a plurality of parallel inputs at memory locations; a flip-flop circuit for temporarily storing a first alarm bit read from one of the memory locations of the memory and for outputting the first alarm bit to an output transmission line; and a selector for receiving a second alarm bit sampled from the parallel inputs and for receiving the stored first alarm bit from the flip-flop circuit, the selector selectively outputting the second alarm bit or the first alarm bit to the above one of the memory locations of the memory in accordance with a value of a select pulse, wherein the temporary storing of the first alarm bit from the memory into the flip-flop circuit and the selective outputting of the first alarm bit or the second alarm bit to the memory by the selector are controlled to sequentially take place.Type: GrantFiled: September 27, 1994Date of Patent: July 1, 1997Assignee: Fujitsu LimitedInventors: Aya Suzuki, Toshiyuki Sakai, Yasutaka Yamagata
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Patent number: 5511866Abstract: The invention is directed to an anti-skid control system for an electrically operated vehicle having an electric motor and a regenerative braking system. The system sets a desired decreasing wheel speed, when a skid detector detects a skidding condition of the wheel in response to the output signal of a wheel speed detector. A controller controls a regenerative braking torque of the electric motor in accordance with a control mode selected from a torque control mode, in which the regenerative braking torque is provided in proportion to operation of a brake operating member, and a rotation control mode, in which the regenerative braking torque is controlled to rotate the electric motor at a predetermined speed corresponding to the desired decreasing wheel speed. The controller changes the torque control mode to the rotation control mode when the skid detector detects the skidding condition.Type: GrantFiled: June 2, 1994Date of Patent: April 30, 1996Assignee: Aisin Seiki Kabushiki KaishaInventors: Michitaka Terada, Masamoto Ando, Toshiyuki Sakai
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Patent number: 5293314Abstract: A word processor capable of determining the frequencies of use of the words in an editable text stored in the text memory includes a frequency count memory provided in an unused area of the text memory. The text memory addresses of the words in the text are stored in association with their respective frequencies of use in the frequency count memory. The configuration permits a speedy frequency count operation on the words in the text without providing a separate frequency count memory.Type: GrantFiled: September 3, 1991Date of Patent: March 8, 1994Assignee: Brother Kogyo Kabushiki KaishaInventor: Toshiyuki Sakai
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Patent number: 5196893Abstract: An image forming apparatus provided with a mechanism for causing an intermediate transfer member to be in contact with a photoconductor while a toner image formed on the photoconductor after development is firstly transferred onto the intermediate transfer member and otherwise keeps the transfer member away from the photoconductor.The mechanism for causing contact or separation keeps the intermediate transfer member away from a cleaner by its function of contacting the intermediate transfer member with the photoconductor, and keeps the intermediate transfer member in contact with the cleaner by its function of keeping the intermediate transfer member away from the photoconductor.Type: GrantFiled: December 21, 1988Date of Patent: March 23, 1993Assignee: Minolta Camera Kabushiki KaishaInventors: Hideya Nishise, Masaru Imaizumi, Toshiyuki Sakai, Katsuhiko Takeda, Hideo Kitakubo
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Patent number: 5166740Abstract: A recirculating document handling apparatus for use in a copying machine having an exposure station at which a document to be copied is scanned. The RDH apparatus comprises a document support tray for accommodating a stack of documents to be copied, a recirculating transport mechanism for transporting each of the documents from the document support tray towards the exposure station and then from the exposure station back to the document support tray, and an auxiliary roller provided in the document support tray for feeding each of the documents towards a document feed unit. The auxiliary roller can be selectively operated at two different speeds to assist returning documents to the document feed unit.Type: GrantFiled: December 11, 1990Date of Patent: November 24, 1992Assignee: Minolta Camera Kabushiki KaishaInventors: Hirohumi Tanahashi, Toshiyuki Sakai
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Patent number: 5121481Abstract: A data processing system having a relational data memory device for storing data relational to the data to be input through an input device, and a retrieval device for the relational data.The system further has a detecting device for detecting a quantity of the retrieved relational data, and relational data display control device for visually representing the retrieved relational data on the display device while fluctuating the relational data display area on the display device in accordance with the quantity of the retrieved relational data detected by the detecting device.With the thus constituted system, when visually representing the retrieved relational data on the display device, the display utilization efficiency as well as the operational facility is enhanced as the display area for the relational data is fluctuated in accordance with the quantity thereof.Type: GrantFiled: February 6, 1990Date of Patent: June 9, 1992Assignee: Brother Kogyo Kabushiki KaishaInventors: Ryoichi Sasaki, Toshiyuki Sakai, Hajime Kumazawa
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Patent number: 5117261Abstract: An image forming apparatus using the electrophotographic process in which a toner image on a photoconductive drum is transferred onto a secondary transferring belt and the transferred toner image is further transferred onto a copy paper provides a sensor for detecting an occurrence of a paper jam before the copy paper reaches the secondary transferring belt and resumes the copying operation from the action suspended by the paper jam as soon as it is recovered from the paper jam.Type: GrantFiled: April 11, 1989Date of Patent: May 26, 1992Assignee: Minolta Camera Kabushiki KaishaInventors: Toshiyuki Sakai, Masaru Imaizumi, Hideya Nishise, Katsuhiko Takeda, Hideo Kitakubo
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Patent number: 5114852Abstract: The present invention provides a chimeric enzyme gene which codes for a monooxygenase having both monooxygenase activity derived from cytochrome P-450 and reducing power supplying ability derived from NADPH-cytochrome P-450 reductase.The present invention further provides a yeast expression plasmid which contains said chimeric enzyme gene and expresses said monooxygenase gene; a transformed yeast strain which carries said yeast expression plasmid; a monooxygenase which has both the monooxygenase activity and the reducing power supplying ability as mentioned above; and a process for producing said monooxygenase.Type: GrantFiled: March 27, 1990Date of Patent: May 19, 1992Assignee: Director-General of Agency of Industrial Science & TechnologyInventors: Yoshiyasu Yabusaki, Hiroko Murakami, Toshiyuki Sakai, Megumi Shibata, Hideo Ohkawa
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Patent number: 5060184Abstract: In a conventional word processing apparatus provided with a users' dictionary memory into or from which arbitrary words such as proper nouns can be stored or deleted, each word to be stored or deleted into or from the users' dictionary memory is required to be pointed out by a cursor in the case of the memory mode and to be pointed out by a print head in the case of the typewriter mode. Thus, a word processing apparatus is provided with a storage controlling arrangement for storing the word nearest to a pointer element of an outputting medium, which is a display or a printer, into the users' dictionary memory and a delete controlling arrangement for deleting the word nearest to the pointer element of the outputting medium from the users' dictionary memory.Type: GrantFiled: September 24, 1990Date of Patent: October 22, 1991Assignee: Brother Kogyo Kabushiki KaishaInventor: Toshiyuki Sakai
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Patent number: 4933896Abstract: A word processing apparatus has the capability of comparing entered data stored in a text memory with stored data in a dictionary memory from a selected address in the text memory and in a selected order.Type: GrantFiled: February 4, 1988Date of Patent: June 12, 1990Inventor: Toshiyuki Sakai
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Patent number: 4933106Abstract: A highly conductive polymer composition can be obtained by doping a neutralized conductive polymer having a .pi.-electron conjugated structure with an anionic polymer electrolyte. The conductive polymer composition is stable for a long period of time, and the content of the dopant in the polymer composition can be freely controlled. A process for producing the polymer composition is also disclosed.Type: GrantFiled: November 25, 1987Date of Patent: June 12, 1990Assignee: Showa Denko Kabushiki KaishaInventors: Toshiyuki Sakai, Masao Kobayashi
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Patent number: 4913566Abstract: Disclosed is a typing device wherein relational data such as correct spelling word may substitute the printed word. When the printed data is substituted by the relational data, the succeeding printed data posterior to said printed data to be substituted is visually represented on a display.Type: GrantFiled: January 6, 1988Date of Patent: April 3, 1990Assignee: Brother Kobyo Kabushiki KaishaInventors: Toshiyuki Sakai, Yoshio Sugiura, Satoshi Furukawa
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Patent number: 4878087Abstract: An image forming apparatus having a primary passage extending from a feeding unit which stores sheets up to a discharge tray which receives sheets with images formed thereon through an image forming unit which forms images on the sheet, and a secondary passage for returning each sheet which has been image-formed within the image forming unit to an upstream end of the primary passage from a downstream end thereof to form another image on the already image-formed side of the sheet or on the opposite side thereof. The secondary passage is formed so that in the event of jam or sheet therein, a portion of the secondary passage is exposed to the exterior by means of a guide plate capable of being opened and closed.Type: GrantFiled: January 12, 1988Date of Patent: October 31, 1989Assignee: Minolta Camera Kabushiki KaishaInventors: Toshiyuki Sakai, Toshio Sakata
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Patent number: 4853767Abstract: A color graphic image processing system which first reads the color graphic image to be processed by using a color image input device, and then encodes read-out signals into 4 through 6 units of encoded words per each color using a data input system. The color graphic image processing system then compresses the encoded data for storage in a storage data device and then the system transmits the stored data for conversion into specific data signals suited for an output device. The system then delivers complete picture signals to the output device.Type: GrantFiled: February 20, 1987Date of Patent: August 1, 1989Assignee: Mita Industrial Co., Ltd.Inventors: Toshiyuki Sakai, Yoshihiro Okada, Keiichiro Hyodo