Patents by Inventor Takashi Makiura
Takashi Makiura 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: 8516764Abstract: A floor type multi-display apparatus includes a multi-display, transparent panels, and a plurality of support members. The multi-display includes a plurality of displays. The support members include first support members disposed between adjacent ones of the displays in a scattered fashion, and second support members disposed around the multi-display. The support members have respective plate portions positioned along and closely to edges of the displays. The support portion and the base portion of each of the first support members project toward two displays located closely thereto from the plate portion of the first support member. The support portion and the base portion of each of the second support members project toward only one display located closely thereto from the plate portion of the second support member.Type: GrantFiled: August 23, 2011Date of Patent: August 27, 2013Assignee: Sharp Kabushiki KaishaInventors: Daisuke Shige, Yoshikazu Harada, Takashi Makiura
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Publication number: 20120042586Abstract: A floor type multi-display apparatus includes a multi-display, transparent panels, and a plurality of support members. The multi-display includes a plurality of displays. The support members include first support members disposed between adjacent ones of the displays in a scattered fashion, and second support members disposed around the multi-display. The support members have respective plate portions positioned along and closely to edges of the displays. The support portion and the base portion of each of the first support members project toward two displays located closely thereto from the plate portion of the first support member. The support portion and the base portion of each of the second support members project toward only one display located closely thereto from the plate portion of the second support member.Type: ApplicationFiled: August 23, 2011Publication date: February 23, 2012Applicant: SHARP KABUSHIKI KAISHAInventors: Daisuke Shige, Yoshikazu Harada, Takashi Makiura
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Patent number: 8010004Abstract: A belt transfer device according to the present invention includes an intermediate transfer belt, a transfer member, a shifter, a detector, and a controller. The transfer member primarily transfers a toner image from an image carrier to the intermediate transfer belt. The shifter reciprocates in specified opposite directions so as to shift the transfer member between a transfer position where the transfer member is in compressive contact with the inner surface of the intermediate transfer belt and a home position where the transfer member is away from the belt surface. The detector outputs a signal representing the position of the shifter. Based on the state of the signal output from the detector while the shifter is reciprocating each time in the opposite directions, the controller determines whether the tensile force of the intermediate transfer belt is proper.Type: GrantFiled: December 13, 2007Date of Patent: August 30, 2011Assignee: Sharp Kabushiki KaishaInventors: Hiroshi Tachiki, Takashi Makiura, Kohichi Yamauchi, Takahiko Yoshida
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Patent number: 7735825Abstract: In one embodiment of the original feeding device of the present invention, an original feeding device causes a drawing roller to contact an original, and draws the original for forwarding by rotating the drawing roller, and is provided with an original pressing member that generates frictional force on the original surface at a position on the side further upstream in a forwarding direction of the original than the drawing roller.Type: GrantFiled: September 15, 2006Date of Patent: June 15, 2010Assignee: Sharp Kabushiki KaishaInventors: Toshihiko Seike, Hideshi Izumi, Takashi Makiura, Yu-hi Akagawa
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Patent number: 7711285Abstract: A cleaning device is provided with a cleaning unit (35) disposed downstream from a position at which a toner image is transferred to a paper. The cleaning unit (35) is provided with a cleaning blade (35c) for scraping off residual toner attached to an image bearing member and a toner catching sheet (35e) for preventing the residual toner or paper dust which have been scraped off from falling outside the cleaning unit. The free length in the toner catching sheet (35e) between affixed positions of a first end portion which is affixed to the cleaning unit (35) and a second end portion which abuts an outer circumferential portion of the image bearing member is determined by an amount of paper dust buildup on the outer circumferential portion of the image bearing member.Type: GrantFiled: October 1, 2004Date of Patent: May 4, 2010Assignee: Sharp Kabushiki KaishaInventors: Takashi Makiura, Takashi Kubo, Koichi Moriyama, Shunichi Hayashiyama, Mitsuru Ogura, Tetsuya Yamaguchi
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Patent number: 7444115Abstract: A two-side image forming apparatus of the present invention is provided with a first sheet-transferring path, for use in one-side image formation, for transferring, to a printed sheet storage section via an image transcribing section, a sheet supplied from an unprinted sheet storage section; and a second sheet-transferring path, connected to the first sheet-transferring path, for supplying a tuned-over one-side printed sheet to the image transcribing section, the two-image forming apparatus being controlled so that a plurality of sheets are transferred concurrently in an overall sheet-transferring path when performing two-side image forming operation, the overall sheet-transferring path including the first sheet-transferring path and the second sheet-transferring path. With this arrangement, it is possible to attain a significant improvement in process efficiency.Type: GrantFiled: October 9, 2003Date of Patent: October 28, 2008Assignee: Sharp Kabushiki KaishaInventors: Yasuaki Fukada, Takashi Makiura, Kiwamu Morita, Takashi Kubo, Showtaro Okamoto, Yoshiyuki Nagai
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Publication number: 20080145083Abstract: A belt transfer device according to the present invention includes an intermediate transfer belt, a transfer member, a shifter, a detector, and a controller. The transfer member primarily transfers a toner image from an image carrier to the intermediate transfer belt. The shifter reciprocates in specified opposite directions so as to shift the transfer member between a transfer position where the transfer member is in compressive contact with the inner surface of the intermediate transfer belt and a home position where the transfer member is away from the belt surface. The detector outputs a signal representing the position of the shifter. Based on the state of the signal output from the detector while the shifter is reciprocating each time in the opposite directions, the controller determines whether the tensile force of the intermediate transfer belt is proper.Type: ApplicationFiled: December 13, 2007Publication date: June 19, 2008Inventors: Hiroshi Tachiki, Takashi Makiura, Kohichi Yamauchi, Takahiko Yoshida
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Publication number: 20070071487Abstract: A cleaning device is provided with a cleaning unit (35) disposed downstream from a position at which a toner image is transferred to a paper. The cleaning unit (35) is provided with a cleaning blade (35c) for scraping off residual toner attached to an image bearing member and a toner catching sheet (35e) for preventing the residual toner or paper dust which have been scraped off from falling outside the cleaning unit. The free length in the toner catching sheet (35e) between affixed positions of a first end portion which is affixed to the cleaning unit (35) and a second end portion which abuts an outer circumferential portion of the image bearing member is determined by an amount of paper dust buildup on the outer circumferential portion of the image bearing member.Type: ApplicationFiled: October 1, 2004Publication date: March 29, 2007Inventors: Takashi Makiura, Takashi Kubo, Koichi Moriyama, Shunichi Hayashiyama, Mitsuru Ogura, Tetsuya Yamaguchi
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Publication number: 20070063420Abstract: In one embodiment of the original feeding device of the present invention, an original feeding device causes a drawing roller to contact an original, and draws the original for forwarding by rotating the drawing roller, and is provided with an original pressing member that generates frictional force on the original surface at a position on the side further upstream in a forwarding direction of the original than the drawing roller.Type: ApplicationFiled: September 15, 2006Publication date: March 22, 2007Inventors: Toshihiko Seike, Hideshi Izumi, Takashi Makiura, Yu-hi Akagawa
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Publication number: 20040120744Abstract: A two-side image forming apparatus of the present invention is provided with a first sheet-transferring path, for use in one-side image formation, for transferring, to a printed sheet storage section via an image transcribing section, a sheet supplied from an unprinted sheet storage section; and a second sheet-transferring path, connected to the first sheet-transferring path, for supplying a tuned-over one-side printed sheet to the image transcribing section, the two-image forming apparatus being controlled so that a plurality of sheets are transferred concurrently in an overall sheet-transferring path when performing two-side image forming operation, the overall sheet-transferring path including the first sheet-transferring path and the second sheet-transferring path. With this arrangement, it is possible to attain a significant improvement in process efficiency.Type: ApplicationFiled: October 9, 2003Publication date: June 24, 2004Inventors: Yasuaki Fukada, Takashi Makiura, Kiwamu Morita, Takashi Kubo, Showtaro Okamoto, Yoshiyuki Nagai
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Patent number: 6381442Abstract: An image-forming apparatus is provided which includes a document reading section for reading image information from a document, and an image-forming section for forming an image on a sheet of paper based upon the image information of the document read by the document reading section. A space section is formed below the document reading section, which accommodates the image-forming section and serves as a discharge section to which the sheet of paper bearing the image formed in the image-forming section is discharged. The space section is surrounded by peripheral walls of an apparatus main body including the image-forming section. The image-forming apparatus further includes a paper post-treatment section that subjects the sheet of paper bearing the image to post-treatments, such as an adjustment process and a stapling process, in a virtually horizontal state, and that is placed between the document reading section and the space section.Type: GrantFiled: October 24, 2000Date of Patent: April 30, 2002Assignee: Sharp Kabushiki KaisaInventors: Motoaki Okitsu, Atsushi Saito, Yasushi Matsutomo, Shinichiro Hiraoka, Tadaaki Kawano, Kimihide Tsukamoto, Susumu Murakami, Takashi Makiura, Haruyoshi Migita, Yoshiaki Ibuchi, Tomohiko Okada, Akira Kohno, Hideshi Izumi, Minoru Tomiyori, Kunihiko Sakaguchi, Kouji Aoki, Takateru Yamamoto
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Patent number: 5508785Abstract: An image forming apparatus wherein the photosensitive unit is inserted through the common insertion port, first shafts are guided by the common guide path and the branching guide path, and the photosensitive unit is mounted at the mounting position with the protecting lever being retracting from the common guide path. When the developer unit is inserted through the common insertion port, second shafts and the third shafts are guided by the common guide path so that the developer unit is mounted at the predetermined mounting position. When the photosensitive unit is not mounted at the predetermined mounting position, the protecting lever shuts off the common guide path thereby blocking the movement of the developer unit to the predetermined mounting position.Type: GrantFiled: May 31, 1995Date of Patent: April 16, 1996Assignee: Sharp Kabushiki KaishaInventors: Kazunobu Takahashi, Takashi Makiura
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Patent number: 5457521Abstract: An object of the invention is to prevent a silicone gas generated in a fixing unit from entering into a charger. A corona wind rises when the charger corona-discharges, and air is taken in through an outside-air intake. The air flows in through the air passage and the air inlet and flows out through a front opening as an air flow. The silicone gas is isolated by the airflow and prevented from entering into the charger.Type: GrantFiled: April 12, 1994Date of Patent: October 10, 1995Assignee: Sharp Kabushiki KaishaInventors: Takashi Makiura, Shinichi Azumi, Hiroaki Yoshida, Toyokazu Mori, Yoshinobu Tateishi, Mitsuyoshi Terada
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Patent number: 4911568Abstract: A printer comprises a type wheel, a hammer to hit a wheel, an ink ribbon, a carriage, a detector for detecting first and second positions of the hammer, and a controller responsive to the detector for generating the first and the second control signals to independently drive the type wheel, the ink ribbon, and the carriage.Type: GrantFiled: July 22, 1988Date of Patent: March 27, 1990Assignee: Sharp Kabushiki KaishaInventor: Takashi Makiura