Patents by Inventor Toshihiro Kikuchi
Toshihiro Kikuchi 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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Publication number: 20090270830Abstract: A bottle-type blow-molded plastic infusion container that can be set in an upright position. When liquid is discharged from the container, almost no dead space occurs in shoulder and bottom portions (required amount of air to be placed in the container to remove residual liquid is less). The blow-molded container has a mouth section (1), a neck section (2), the shoulder section (3), a barrel section (4), and the bottom section (5). The barrel section (4) has a pair of broad side faces (41, 41) and a pair of narrow side faces (42, 42). The bottom section (5) is formed in a shape symmetrical about a longitudinal axis of the bottom section (5) and bent inward in a V shape. Further, the shoulder section (3) has a pair of broad side faces (31, 31) and a pair of narrow side faces (32, 32). In the narrow side faces (32, 32) are formed grooves (33, 33) symmetrical about a longitudinal axis and bent inward in a V shape.Type: ApplicationFiled: September 25, 2007Publication date: October 29, 2009Applicant: NIPRO CORATIONInventors: Yoshihiko Sano, Hitoshi Futagawa, Toshihiro Kikuchi
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Publication number: 20090262809Abstract: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination.Type: ApplicationFiled: June 26, 2009Publication date: October 22, 2009Inventors: Takeshi CHUJOH, Shinichiro KOTO, Toshihiro KIKUCHI
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Patent number: 7580191Abstract: There is provided a low-cost wavelength branching filter that transmits lights of 1310 nm wavelength band, and reflects light of 1490 nm and 1650 nm wavelength bands. In one embodiment, a wavelength branching filter includes a first multilayer film filter positioned in a light incoming side on a glass substrate and a second multilayer film filter positioned in a light outgoing side, and the first multilayer film filter has characteristic in reflecting light of 1490 nm wavelength band and transmitting light of 1310 nm wavelength band, and the second multilayer film filter has characteristic in reflecting light of 1650 nm wavelength band and transmitting light of 1650 nm wavelength band and reflecting light of 1310 nm wavelength band.Type: GrantFiled: May 31, 2006Date of Patent: August 25, 2009Assignee: Alps Electric Co., Ltd.Inventor: Toshihiro Kikuchi
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Patent number: 7563553Abstract: A process for making an electrophotographic photosensitive member is provided by forming a photosensitive layer on an electroconductive support. The photosensitive layer is provided with particularly excellent durability while retaining good electrophotographic performances when formed as a layer comprising a polymerizate of a hole-transporting compound having at least two chain polymerization function groups in its molecule represented by formula (1) below: (P1aAzP2)d)b??(1), wherein A denotes a hole-transporting group, P1 and P2 independently denote a chain polymerization function group and Z denotes a bonding organic group; a, b and d are independently an integer of at least 0 satisfying a+b×d?2 provided that if a?2, plural groups P1 can be identical or different; if b?2, plural groups Z can be identical or different; and if b×d?2, plural groups P2 can be identical or different.Type: GrantFiled: January 26, 2007Date of Patent: July 21, 2009Assignee: Canon Kabushiki KaishaInventors: Toshihiro Kikuchi, Akio Maruyama, Hiroki Uematsu
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Patent number: 7556901Abstract: An electrophotographic photosensitive member has a surface having a plurality of depressed portions, having a major-axis diameter Rpc of 0.1 to 10 ?m, a minor-axis diameter Lpc of 0.1 to 10 ?m and a deepest-part to opening distance Rdv of 0.1 to 10 ?m. Where the surface is equally divided into 4 regions in the rotational direction, which are then equally divided into 25 regions in the direction falling at right angles with the rotational direction, to obtain 100-spot regions A in total, and, in each thereof, square regions B of 50 ?m each per side one side of which is parallel to the rotational direction are provided and the regions B are each equally divided into 500 zones by straight lines parallel to the rotational direction, 400 to 499 lines among the straight lines pass through the depressed portions in each of the regions B.Type: GrantFiled: June 28, 2007Date of Patent: July 7, 2009Assignee: Canon Kabushiki KaishaInventors: Takashi Anezaki, Harunobu Ogaki, Hiroki Uematsu, Masataka Kawahara, Atsushi Ochi, Kyoichi Teramoto, Akira Shimada, Akio Maruyama, Toshihiro Kikuchi, Akio Koganei, Takayuki Sumida, Hirotoshi Uesugi
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Publication number: 20090170023Abstract: A process for producing an electrophotographic photosensitive member. The electrophotographic photosensitive member includes a conductive support and a surface layer provided thereon containing at least a resin. The process has the step of forming a plurality of depressed portions on the surface layer by irradiation with laser light having a wavelength of 400 nm or less and having an output characteristic of a pulse width of 100 ns or less.Type: ApplicationFiled: February 19, 2009Publication date: July 2, 2009Applicant: CANON KABUSHIKI KAISHAInventors: Akira Shimada, Hiroki Uematsu, Masataka Kawahara, Kyoichi Teramoto, Akio Maruyama, Toshihiro Kikuchi, Akio Koganei, Takayuki Sumida
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Patent number: 7551878Abstract: An electrophotographic photosensitive member has, on the surface of its photosensitive layer, has a plurality of depressed portions which are independent from one another, and, where the major-axis diameter of each depressed portion is represented by Rpc and the depth that shows the distance between the deepest part of each depressed portion and the opening thereof is represented by Rdv, the depressed portions each have a ratio of depth to major-axis diameter, Rdv/Rpc, of from more than 1.0 to 7.0 or less.Type: GrantFiled: June 28, 2007Date of Patent: June 23, 2009Assignee: Canon Kabushiki KaishaInventors: Harunobu Ogaki, Hiroki Uematsu, Masataka Kawahara, Atsushi Ochi, Kyoichi Teramoto, Akira Shimada, Akio Maruyama, Toshihiro Kikuchi, Akio Koganei, Takayuki Sumida
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Publication number: 20080171403Abstract: A method of producing an organic semiconductor device is provided in which a layer composed of an organic semiconductor having excellent crystallinity and orientation in a low-temperature region can be formed, and the device can be produced in the air.Type: ApplicationFiled: December 26, 2007Publication date: July 17, 2008Applicants: CANON KABUSHIKI KAISHA, EHIME UNIVERSITYInventors: Akane Masumoto, Toshihiro Kikuchi, Noboru Ono, Hidemitsu Uno, Hiroko Nakashima
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Publication number: 20080124126Abstract: An electrophotographic photosensitive member has a surface having a plurality of depressed portions, having a major-axis diameter Rpc of 0.1 to 10 ?m, a minor-axis diameter Lpc of 0.1 to 10 ?m and a deepest-part to opening distance Rdv of 0.1 to 10 ?m. Where the surface is equally divided into 4 regions in the rotational direction, which are then equally divided into 25 regions in the direction falling at right angles with the rotational direction, to obtain 100-spot regions A in total, and, in each thereof, square regions B of 50 ?m each per side one side of which is parallel to the rotational direction are provided and the regions B are each equally divided into 500 zones by straight lines parallel to the rotational direction, 400 to 499 lines among the straight lines pass through the depressed portions in each of the regions B.Type: ApplicationFiled: June 28, 2007Publication date: May 29, 2008Applicant: CANON KABUSHIKI KAISHAInventors: Takashi Anezaki, Harunobu Ogaki, Hiroki Uematsu, Masataka Kawahara, Atsushi Ochi, Kyoichi Teramoto, Akira Shimada, Akio Maruyama, Toshihiro Kikuchi, Akio Koganei, Takayuki Sumida, Hirotoshi Uesugi
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Publication number: 20080124637Abstract: An electrophotographic photosensitive member is disclosed which is excellent in cleaning performance, has improved durability, and suppresses image defects in various environments. The electrophotographic photosensitive member has a support and a photosensitive layer provided on the support. Depressed portions independent of one another are formed on the surface of the electrophotographic photosensitive member so that the number of the depressed portions per 100 ?m square is 76 or more and 1,000 or less. The openings of the depressed portions have an average major axis diameter of more than 3.0 ?m and 14.0 ?m or less.Type: ApplicationFiled: June 28, 2007Publication date: May 29, 2008Applicant: CANON KABUSHIKI KAISHAInventors: Hiroki Uematsu, Harunobu Ogaki, Masataka Kawahara, Atsushi Ochi, Akira Shimada, Akio Maruyama, Kyoichi Teramoto, Toshihiro Kikuchi, Akio Koganei, Takayuki Sumida
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Patent number: 7364824Abstract: An electrophotographic photosensitive member, a process cartridge and an electrophotographic apparatus are provided which not only secure mechanical strength sufficiently but also bring a vast improvement in charge transport performance and which can well satisfy electrical properties. An electrophotographic photosensitive member is provided an outermost surface layer of which contains at least a charge transporting compound having chain polymerizable functional groups which is represented by the following general formula (1-1) or (1-2); the charge transporting compound having been polymerized or cross-linked and cured. Also provided are a process cartridge and an electrophotographic apparatus which have such a photosensitive member.Type: GrantFiled: December 28, 2006Date of Patent: April 29, 2008Assignee: Canon Kabushiki KaishaInventors: Toshihiro Kikuchi, Atsushi Ochi, Harumi Sako, Kimihiro Yoshimura, Hideaki Tamai, Nobuo Kosaka
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Publication number: 20080096123Abstract: A process for producing an electrophotographic photosensitive member is disclosed. The electrophotographic photosensitive member includes a conductive support and a surface layer provided thereon containing at least a resin. The process has the step of forming a plurality of depressed portions on the surface layer by irradiation with laser light having a wavelength of 400 nm or less and having an output characteristic of a pulse width of 100 ns or less.Type: ApplicationFiled: June 28, 2007Publication date: April 24, 2008Applicant: CANON KABUSHIKI KAISHAInventors: Akira Shimada, Hiroki Uematsu, Masataka Kawahara, Kyoichi Teramoto, Akio Maruyama, Toshihiro Kikuchi, Akio Koganei, Takayuki Sumida
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Publication number: 20080019735Abstract: An electrophotographic photosensitive member has, on the surface of its photosensitive layer, has a plurality of depressed portions which are independent from one another, and, where the major-axis diameter of each depressed portion is represented by Rpc and the depth that shows the distance between the deepest part of each depressed portion and the opening thereof is represented by Rdv, the depressed portions each have a ratio of depth to major-axis diameter, Rdv/Rpc, of from more than 1.0 to 7.0 or less.Type: ApplicationFiled: June 28, 2007Publication date: January 24, 2008Applicant: CANON KABUSHIKI KAISHAInventors: Harunobu Ogaki, Hiroki Uematsu, Masataka Kawahara, Atsushi Ochi, Kyoichi Teramoto, Akira Shimada, Akio Maruyama, Toshihiro Kikuchi, Akio Koganei, Takayuki Sumida
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Publication number: 20070281239Abstract: A process for producing an electrophotographic photosensitive member, which has the step of bringing i) the surface of an electrophotographic photosensitive member having at least a charge transport layer on a cylindrical support and ii) a mold having a fine unevenness surface profile into pressure contact with each other to transfer the fine unevenness surface profile to the surface of the electrophotographic photosensitive member. The mold and the support are so temperature-controlled as to be T3<T1<T2 where the glass transition temperature of the charge transport layer is represented by T1 (° C.), the temperature of the mold by T2 (° C.), and the temperature of the support by T3 (° C.).Type: ApplicationFiled: June 28, 2007Publication date: December 6, 2007Applicant: CANON KABUSHIKI KAISHAInventors: Hiroki Uematsu, Akira Shimada, Masataka Kawahara, Harunobu Ogaki, Atsushi Ochi, Akio Maruyama, Kyoichi Teramoto, Toshihiro Kikuchi, Akio Koganei, Takayuki Sumida
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Publication number: 20070254232Abstract: An image forming method is disclosed having a charging step, an exposure step, a developing step and a transfer step. This method uses a toner which includes toner particles containing a binder resin and a colorant, and inorganic fine powder, and uses a photosensitive member which has on its surface depressed portions which are independent of one another. The depressed portions have openings having an average minor-axis diameter Lpc satisfying the relationship of Dg<Lpc<Dt (Dt represents the weight-average particle diameter of the toner, and Dg represents the maximum number-average particle diameter among number-average particle diameter(s) of one or two or more types of inorganic fine powder constituting the inorganic fine powder, and the toner has an average circularity of from 0.925 to 0.995.Type: ApplicationFiled: June 28, 2007Publication date: November 1, 2007Applicant: CANON KABUSHIKI KAISHAInventors: Masataka Kawahara, Hiroki Uematsu, Akio Maruyama, Harunobu Ogaki, Atsushi Ochi, Akira Shimada, Kyoichi Teramoto, Toshihiro Kikuchi, Akio Koganei, Takayuki Sumida
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Publication number: 20070178400Abstract: A process for making an electrophotographic photosensitive member is provided by forming a photosensitive layer on an electroconductive support. The photosensitive layer is provided with particularly excellent durability while retaining good electrophotographic performances when formed as a layer comprising a polymerizate of a hole-transporting compound having at least two chain polymerization function groups in its molecule represented by formula (1) below: (P1BAZP2)d)b??(1), wherein A denotes a hole-transporting group, P1 and P2 independently denote a chain polymerization function group and Z denotes a bonding organic group; a, b and d are independently an integer of at least 0 satisfying a+b×d?2 provided that if a?2, plural groups P1 can be identical or different; if b?2, plural groups Z can be identical or different; and if b×d?2, plural groups P2 can be identical or different.Type: ApplicationFiled: January 26, 2007Publication date: August 2, 2007Applicant: CANON KABUSHIKI KAISHAInventors: Toshihiro Kikuchi, Akio Maruyama, Hiroki Uematsu
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Patent number: 7250042Abstract: A thrombus suction catheter which is a tube having a distal end opening formed by an angled cut surface. In the distal end opening, at least a part on the proximal end side of the cut surface is formed in a concave shape in an angled direction, and the distal end side of the cut surface is formed to be flat and flexible. With the distal end configuration, suction and crossing are significantly improved.Type: GrantFiled: January 22, 2004Date of Patent: July 31, 2007Assignee: Nipro CorporationInventors: Yuichi Kataishi, Satoru Mori, Yoshihiko Sano, Toshihiro Kikuchi, Takaaki Isshiki
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Publication number: 20070111121Abstract: An electrophotographic photosensitive member, a process cartridge and an electrophotographic apparatus are provided which not only secure mechanical strength sufficiently but also bring a vast improvement in charge transport performance and which can well satisfy electrical properties. An electrophotographic photosensitive member is provided an outermost surface layer of which contains at least a charge transporting compound having chain polymerizable functional groups which is represented by the following general formula (1-1) or (1-2); the charge transporting compound having been polymerized or cross-linked and cured. Also provided are a process cartridge and an electrophotographic apparatus which have such a photosensitive member.Type: ApplicationFiled: December 28, 2006Publication date: May 17, 2007Applicant: CANON KABUSHIKI KAISHAInventors: TOSHIHIRO KIKUCHI, ATSUSHI OCHI, HARUMI SAKO, KIMIHIRO YOSHIMURA, HIDEAKI TAMAI, NOBUO KOSAKA
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Publication number: 20070019286Abstract: There is provided a low-cost wavelength branching filter that transmits lights of 1310 nm wavelength band, and reflects light of 1490 nm and 1650 nm wavelength bands. A wavelength branching filter includes a first multilayer film filter 11 positioned in a light incoming side on a glass substrate 10 and a second multilayer film filter 12 positioned in a light outgoing side, and the first multilayer film filter 11 has characteristic in reflecting light of 1490 nm wavelength band and transmitting light of 1310 nm wavelength band, and the second multilayer film filter 12 has characteristic in reflecting light of 1650 nm wavelength band and transmitting light of 1650 nm wavelength band and reflecting light of 1310 nm wavelength band.Type: ApplicationFiled: May 31, 2006Publication date: January 25, 2007Inventor: Toshihiro Kikuchi
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Publication number: 20050260511Abstract: An electrophotographic photosensitive member, irradiated with semiconductor laser light having a wavelength of 380 to 500 nm, includes a conductive substrate, a charge-generating layer formed thereon; and a charge transport layer formed thereon, the charge transport-layer having a transmittance of at least 30% for the semiconductor laser light. A process cartridge mountable to and detachable from an electrophotographic apparatus includes the electrophotographic photosensitive member. An electrophotographic apparatus also includes the electrophotographic photosensitive member.Type: ApplicationFiled: May 12, 2005Publication date: November 24, 2005Inventors: Mitsuhiro Kunieda, Toshihiro Kikuchi, Tetsuro Kanemaru, Yuka Nakajima