Patents by Inventor Yuichi Akanabe
Yuichi Akanabe 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: 7370415Abstract: A method for manufacturing an inkjet print head with ink channels formed on a member including a piezoelectric body, and where ink is jetted from each of the ink channels by applying a voltage to electrodes provided on the piezoelectric body for each of the ink channels thereby driving the piezoelectric body. The method has the steps including adsorbing a catalyst onto the channel plate with the ink channel grooves; removing a part of the catalyst by a laser beam; and plating at least one side surface and a bottom surface of the channel plate to form a layer which serves as the electrodes, on the catalyst which has not been removed by the laser beam.Type: GrantFiled: April 12, 2005Date of Patent: May 13, 2008Assignee: Konica Minolta Holdings, Inc.Inventors: Shozo Kikugawa, Minoru Yamada, Yuichi Akanabe, Takeshi Ito, Tetsuo Okuno
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Publication number: 20070289953Abstract: A method of working an optical element for producing an optical element having a microscopic pattern, comprising a pattern drawing step for forming a specified pattern corresponding to said optical element on a base material including a layer of pattern drawing object, wherein said layer of pattern drawing object has a curved surface, and said specified pattern is drawn by the application of an electron beam to said layer of pattern drawing object.Type: ApplicationFiled: December 11, 2006Publication date: December 20, 2007Applicant: KONICA CORPORATIONInventors: KAZUMI FURUTA, Yuichi Akanabe, Masahiro Morikawa, Osamu Masuda, Koji Horii, Tomohide Mizukoshi
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Patent number: 7060175Abstract: A method of producing an optical element forming die, includes the steps of: cutting a base member to form a base optical surface of the base member while rotating the base member; cutting an outer circumferential surface of the base member so that an optical axis of the base optical surface is identical to a rotation center of the outer circumferential surface of the base member while rotating the base member; forming an optical surface having a predetermined pattern onto the base optical surface of the base member; forming an electroforming mold having an optical transfer surface complementary to the optical surface of the base member by electroforming wherein the electroforming is conducted with the base member; and cutting an outer circumferential surface of the electroforming mold on the basis of the outer circumferential surface of the base member.Type: GrantFiled: December 9, 2002Date of Patent: June 13, 2006Assignee: Konica CorporationInventors: Masahiro Morikawa, Kazuo Shiozawa, Kazumi Furuta, Yuichi Akanabe, Osamu Masuda
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Patent number: 7029565Abstract: A method of producing a die for forming an optical element including; a positioning step to fix temporarily under the state wherein a plurality of members at least one of which has a die transfer surface are positioned with their connection surfaces being put to face each other, and an electroforming connection step to connect both members by forming an electroforming mold on a circumference of the connection surface under the state where the plural members are positioned.Type: GrantFiled: May 15, 2003Date of Patent: April 18, 2006Assignee: Konica CorporationInventors: Yuichi Akanabe, Tomohide Mizukoshi
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Publication number: 20050212864Abstract: In a method for manufacturing an ink-jet print head in which ink channels are formed on a member including a piezoelectric body, and ink is jetted from each of the ink channels by applying a voltage to electrodes provided on the piezoelectric body according to each of the ink channels, thereby driving the piezoelectric body, the method includes the steps of: plating a surface of a channel plate having a plurality of grooves for the ink channels thereby forming a thin-film plating layer which is thinner than a desired thickness; removing a part of the thin-film plating layer by a laser beam; and plating again the channel plate thereby forming an additional plating layer on the thin-film plating which has not been removed by the laser beam, and thereby forming the electrodes of the desired thickness.Type: ApplicationFiled: April 12, 2005Publication date: September 29, 2005Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Shozo Kikugawa, Minoru Yamada, Yuichi Akanabe, Takeshi Ito, Tetsuo Okuno
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Publication number: 20050006353Abstract: A method of working an optical element for producing an optical element having a microscopic pattern, comprising a pattern drawing step for forming a specified pattern corresponding to said optical element on a base material including a layer of pattern drawing object, wherein said layer of pattern drawing object has a curved surface, and said specified pattern is drawn by the application of an electron beam to said layer of pattern drawing object.Type: ApplicationFiled: July 28, 2004Publication date: January 13, 2005Applicant: KONICA CORPORATIONInventors: Kazumi Furuta, Yuichi Akanabe, Masahiro Morikawa, Osamu Masuda, Koji Horii, Tomohide Mizukoshi
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Publication number: 20030218264Abstract: A method of producing a die for forming an optical element including; a positioning step to fix temporarily under the state wherein a plurality of members at least one of which has a die transfer surface are positioned with their connection surfaces being put to face each other, and an electroforming connection step to connect both members by forming an electroforming mold on a circumference of the connection surface under the state where the plural members are positioned.Type: ApplicationFiled: May 15, 2003Publication date: November 27, 2003Applicant: Konica CorporationInventors: Yuichi Akanabe, Tomohide Mizukoshi
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Patent number: 6651335Abstract: A processing method of electroless plating in which a catalyst layer is absorbed on a surface of a substrate, a laser beam is selectively applied to the catalyst layer, processing of electroless plating is applied to the substrate, thereby a plating layer is not formed on a part to which the laser beam has been applied, and a plating layer is formed on a part to which laser beam has not been applied.Type: GrantFiled: September 27, 2001Date of Patent: November 25, 2003Assignee: Konica CorporationInventors: Yuichi Akanabe, Shozo Kikugawa, Tetsuo Okuno, Minoru Yamada
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Publication number: 20030197906Abstract: An optical element is provided with a first optical surface; a second optical surface opposite to the first optical surface so that a light flux incident onto the first optical surface and is emitted from the second optical surface, wherein at least one of the first and second optical surfaces is a curved optical surface having a refracting power; and a cyclic pattern structure having the characteristic of form birefringence and provided on the curved optical surface, wherein a distance of a pitch of a pattern in the cyclic pattern structure is smaller than the wavelength of the light flux.Type: ApplicationFiled: April 14, 2003Publication date: October 23, 2003Applicant: Konica CorporationInventors: Kazumi Furuta, Yuichi Akanabe, Masahiro Morikawa, Osamu Masuda
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Publication number: 20030111750Abstract: A method of producing an optical element forming die, includes the steps of: cutting a base member to form a base optical surface of the base member while rotating the base member; cutting an outer circumferential surface of the base member so that an optical axis of the base optical surface is identical to a rotation center of the outer circumferential surface of the base member while rotating the base member; forming an optical surface having a predetermined pattern onto the base optical surface of the base member; forming an electroforming mold having an optical transfer surface complementary to the optical surface of the base member by electroforming wherein the electroforming is conducted with the base member; and cutting an outer circumferential surface of the electroforming mold on the basis of the outer circumferential surface of the base member.Type: ApplicationFiled: December 9, 2002Publication date: June 19, 2003Applicant: Konica CorporationInventors: Masahiro Morikawa, Kazuo Shiozawa, Kazumi Furuta, Yuichi Akanabe, Osamu Masuda
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Publication number: 20020170887Abstract: A method of working an optical element for producing an optical element having a microscopic pattern, comprising a pattern drawing step for forming a specified pattern corresponding to said optical element on a base material including a layer of pattern drawing object, wherein said layer of pattern drawing object has a curved surface, and said specified pattern is drawn by the application of an electron beam to said layer of pattern drawing object.Type: ApplicationFiled: February 21, 2002Publication date: November 21, 2002Applicant: Konica CorporationInventors: Kazumi Furuta, Yuichi Akanabe, Masahiro Morikawa, Osamu Masuda, Koji Horii, Tomohide Mizukoshi
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Publication number: 20020047878Abstract: A processing method of electorless plating in which a catalyst layer is absorded on a surface of a substrate, a laser beam is selectively applied to the catalyst layer, processing of electroless plating is applied to the substrate, thereby a plating layer is not formed on a part to which the laser beam has been applied, and a plating layer is formed on a part to which laser beam has not been applied.Type: ApplicationFiled: September 27, 2001Publication date: April 25, 2002Applicant: KONICA CORPORATIONInventors: Yuichi Akanabe, Shozo Kikugawa, Tetsuo Okuno, Minoru Yamada
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Patent number: 5532730Abstract: A light beam scanning apparatus for recording an image on a photosensitive material by scanning with an light beam having image information of the image.Type: GrantFiled: September 19, 1994Date of Patent: July 2, 1996Assignee: Konica CorporationInventor: Yuichi Akanabe
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Patent number: 5309274Abstract: An optical beam scanning apparatus of this invention includes rotary optical element rotating on an axis of rotation and guiding optical beams incident parallel to the axis of rotation to a direction rectangular to the axis of rotation so as to scan a cylindrical surface inside a cylinder by rotating the optical beams in a peripheral direction. An anamorphic optical system rotating on a straight line substantially coinciding with the axis of rotation, for example, is disposed as optical beam rotation element on the incident side of the optical beams of the rotary optical element, and the optical beams incident into the rotary optical element are rotated at the same rotating speed as that of the rotary optical element on the straight line as the axis of rotation. According to this structure, a plurality of optical beams do not corss one another on the cylindrical surface when they are used, but form substantially parallel beam lines.Type: GrantFiled: February 25, 1993Date of Patent: May 3, 1994Assignee: Konica CorporationInventor: Yuichi Akanabe
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Patent number: 5214528Abstract: Disclosed are optical beam scanning apparatus and method of the internal drum scanning system, in which optical beams from a light source are made incident on optical beam rotating means such as a trapezoidal prism, and outgoing beams are focussed on the inner face of a cylinder through rotary optical means such as a rotary reflecting element. In the scanning apparatus and method of the present invention, by rotating the trapezoidal prism on the same revolution axis as that of the rotary reflecting element at a revolution speed corresponding to 1/2 of the revolution speed of the rotary reflecting element, beams going out from the trapezoidal prism can be rotated at the same speed as the revolution speed of the rotary reflecting element. According to the present invention having the above structure, even when a plurality of beams are used, crossing of the beams on the inner face of the cylinder can be prevented, and multiple beam scanning becomes possible and recording can be performed at a high speed.Type: GrantFiled: September 10, 1991Date of Patent: May 25, 1993Assignee: Konica CorporationInventors: Yuichi Akanabe, Shin Shinotsuka
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Patent number: 5050007Abstract: An image-scanning apparatus for inputting image data to an image processing device. The apparatus includes an image document holding cassette for holding an image document, a document holder stacker for storing the image document holding cassettes therein, and supplying the image document holding cassette into a scanner, the scanner for irradiating the image document located on a document supporting table and inputting the image data from the irradiated image document with an input sensor through a magnification mechanism, the magnification mechanism for changing the magnification of the image document at said input sensor so that the magnification of the image data is changed, and the document supporting table being capable of changing the angle of the image document to the scanner so that the angle of the image data is changed.Type: GrantFiled: July 5, 1989Date of Patent: September 17, 1991Assignee: Konica CorporationInventors: Yuichi Akanabe, Masayuki Inai, Takashi Niu, Tsuyoshi Katsuta, Tatsuya Kaneniwa, Yasuhito Shiraishi
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Patent number: 4710779Abstract: Herein disclosed is a recording apparatus for using a semiconductor laser 1 as a light source so that the scanning operation may be conducted with the laser beam which has been modulated on the basis of picture information. The drive current of the semiconductor laser 1 for making the monitor current of an optical output constant is determined before the beginning of a recording period so that the drive current may be used as that of the semiconductor laser 1 during the recording period.Type: GrantFiled: August 26, 1985Date of Patent: December 1, 1987Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Shinsuke Funaki, Yuichi Akanabe, Hiroaki Ikeda
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Patent number: 4432598Abstract: A multi-faceted photodeflector includes a plurality of groups of multiple mirrors circumferentially alternating about a rotation axis, each group consisting of the same number of mirrors. Each mirror of any particular one of the mirror groups is inclined, with respect to the rotation axis, at an angle different than the mirrors of all other mirror groups disposed about the rotation axis.Type: GrantFiled: May 19, 1981Date of Patent: February 21, 1984Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Yuichi Akanabe, Hiroaki Ikeda, Masatoshi Maeda, Shinsuke Funaki