Patents by Inventor Hidemasa Mizutani
Hidemasa Mizutani 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).
-
Patent number: 7115487Abstract: A process for producing a crystalline thin film is provided which comprises melting and resolidifying a starting thin film having regions different in the state coexisting continuously. A small region of the starting thin film has a size distribution of number concentration of crystal grains or crystalline clusters different from that of the surrounding region. In the process of melting and resolidification, the crystal grain grows preferentially in the one region to control the location of the crystal grain in the crystalline thin film.Type: GrantFiled: May 29, 2002Date of Patent: October 3, 2006Assignee: Canon Kabushiki KaishaInventors: Hideya Kumomi, Hidemasa Mizutani, Shigeki Kondo
-
Publication number: 20060209378Abstract: The tiltable-body apparatus including a frame member, a tiltable body, and a pair of torsion springs having a twisting longitudinal axis. The torsion springs are disposed along the twisting longitudinal axis opposingly with the tiltable body being interposed, support the tiltable body flexibly and rotatably about the twisting longitudinal axis relative to the frame member, and include a plurality of planar portions, compliant directions of which intersect each other when viewed along a direction of the twisting longitudinal axis. A center of gravity of the tiltable body is positioned on the twisting longitudinal axis of the torsion springs.Type: ApplicationFiled: May 26, 2006Publication date: September 21, 2006Applicant: Canon Kabushiki KaishaInventors: Susumu Yasuda, Hidemasa Mizutani, Takayuki Yagi, Yasuhiro Shimada, Futoshi Hirose, Takahisa Kato
-
Patent number: 7078115Abstract: A metal coordination compound having a basic structure represented by formula: MLmL?n (1), wherein M is a metal atom of Ir, Pt, Rh or Pd; L and L? are mutually different bidentate ligands; m is 1, 2 or 3; wherein at least one bidentate ligand has a partial structure formed by condensation via an alkylene group having 2–10 carbon atoms, is provided. In an electroluminescence device composed of one or a plurality of organic films disposed between a cathode and an anode, at least one layer is a luminescence layer which is formed by incorporating luminescence molecules constituting the metal coordination compound having a structure of the formula (1) described above as a guest material in a host material thereby to provide an electroluminescence device producing luminescence at high efficiency and stably keeping a high luminance for a long period.Type: GrantFiled: September 17, 2004Date of Patent: July 18, 2006Assignee: Canon Kabushiki KaishaInventors: Takao Takiguchi, Akira Tsuboyama, Shinjiro Okada, Jun Kamatani, Seishi Miura, Takashi Moriyama, Satoshi Igawa, Manabu Furugori, Hidemasa Mizutani
-
Patent number: 7044592Abstract: An image forming process provides an excellent ink fixation effect for high speed, low energy consumption printing. Two-valued or multi-valued gradation expression of a picture element, or the smallest output unit, is realized by controlling the number of liquid droplets impacting on a recording medium for each dot formed on the recording medium. The liquid droplets are subjected to physical or chemical modification so as to be fixed to the recording medium. The present invention is also directed to an image forming apparatus, an ink for liquid droplet recording and a liquid droplet ejection and projection method that can use the image forming process.Type: GrantFiled: March 26, 2002Date of Patent: May 16, 2006Assignee: Canon Kabushiki KaishaInventors: Koichi Sato, Hidemasa Mizutani, Kazuharu Katagiri, Yukio Hanyu, Hirokatsu Miyata, Ikuo Nakazawa, Miki Ogawa, Tomonari Horikiri, Masayuki Ikegami
-
Patent number: 7026062Abstract: A luminescence device comprising a pair of electrodes and an organic compound layer disposed between the electrodes. The layer contains a metal coordination compound represented by the following formula (1): wherein M is Ir, Rh or Pd; n is 2 or 3; and X1 to X8 is, independently, a hydrogen atom or a substituent selected from the group consisting of a halogen atom; a nitro group; a trifluoromethyl group; a trialkylsilyl group having three linear or branched alkyl groups each independently having 1–8 carbon atoms; and a linear or branched alkyl group having 2–20 carbon atoms capable of including one or at least two non-neighboring methylene groups which can be replaced with —O—, —S—, —C(O)—, —C(O)—O—, —O—C(O)—, —CH?CH— or —C?C— and capable of including hydrogen atom which can be replaced with fluorine atom.Type: GrantFiled: August 6, 2004Date of Patent: April 11, 2006Assignee: Canon Kabushiki KaishaInventors: Takao Takiguchi, Hidemasa Mizutani, Shinjiro Okada, Akira Tsuboyama, Seishi Miura, Takashi Moriyama, Satoshi Igawa, Jun Kamatani, Manabu Furugori
-
Patent number: 7022997Abstract: A photoelectric converter of a high signal-to-noise ratio, low cost, high productivity and stable characteristics and a system including the above photoelectric converter. The photoelectric converter includes a photoelectric converting portion in which a first electrode layer, an insulating layer for inhibiting carriers from transferring, a photoelectric converting semiconductor layer of a non-single-crystal type, an injection blocking layer for inhibiting a first type of carriers from being injected into the semiconductor layer and a second electrode layer are laminated in this order on an insulating substrate.Type: GrantFiled: October 11, 2005Date of Patent: April 4, 2006Assignee: Canon Kabushiki KaishaInventors: Noriyuki Kaifu, Hidemasa Mizutani, Shinichi Takeda, Isao Kobayashi, Satoshi Itabashi
-
Publication number: 20060033425Abstract: The present invention provides a multicolor light-emitting device including a plurality of organic EL devices each having two or more different luminescent colors in which the take-out efficiency of the emission of each color can be optimized by a simple configuration and which has a low price and high efficiency.Type: ApplicationFiled: October 6, 2003Publication date: February 16, 2006Applicant: CANON KABUSHIKI KAISHAInventors: Seishi Miura, Hidemasa Mizutani, Shiqeki Kondo, Masahiro Fushimi, Takashi Moriyama
-
Publication number: 20060028133Abstract: In a display device having a display region formed by disposing a plurality of organic light emitting elements such as organic EL elements, it becomes possible to prevent penetration of water into the display region to suppress degradation in display characteristics even during drive over a long period of time and to improve long-term reliability. There is provided a display device comprising a display region 120 having a plurality of organic light emitting elements disposed on a substrate 101, each of the plurality of organic light emitting elements having an organic layer 103 comprising a light emitting layer interposed between an anode and a cathode (102, 104), wherein the display region 120 is formed on a first insulating protective layer 106 provided on the substrate 101, and a surface on a side opposite to a substrate 101 side and an entire periphery of the display region 120 are covered with an insulating protective film 107.Type: ApplicationFiled: October 9, 2003Publication date: February 9, 2006Inventors: Shigeki Kondo, Hidemasa Mizutani, Masahiro Fushimi, Seishi Miura, Takashi Moriyama
-
Publication number: 20060027758Abstract: A photoelectric converter of a high signal-to-noise ratio, low cost, high productivity and stable characteristics and a system including the above photoelectric converter. The photoelectric converter includes a photoelectric converting portion in which a first electrode layer, an insulating layer for inhibiting carriers from transferring, a photoelectric converting semiconductor layer of a non-single-crystal type, an injection blocking layer for inhibiting a first type of carriers from being injected into the semiconductor layer and a second electrode layer are laminated in this order on an insulating substrate.Type: ApplicationFiled: October 11, 2005Publication date: February 9, 2006Applicant: CANON KABUSHIKI KAISHAInventors: Noriyuki Kaifu, Hidemasa Mizutani, Shinichi Takeda, Isao Kobayashi, Satoshi Itabashi
-
Patent number: 6991857Abstract: An organic EL device includes a luminescence layer containing, as a luminescent material allowing a high-luminescence and high-efficiency luminescence for a long period of time, a metal coordination compound represented by the following formula (1): LmML?n, wherein M denotes Ir, Pt, Rh or Pd; L denotes a bidentate ligand; L? denotes a bidentate ligand different from L; m is an integer of 1, 2 or 3; and n is an integer of 0, 1 or 2 with the proviso that the sum of m and n is 2 or 3.Type: GrantFiled: November 29, 2001Date of Patent: January 31, 2006Assignee: Canon Kabushiki KaishaInventors: Akira Tsuboyama, Hidemasa Mizutani, Shinjiro Okada, Takao Takiguchi, Seishi Miura, Koji Noguchi, Takashi Moriyama, Satoshi Igawa, Jun Kamatani, Manabu Furugori
-
Publication number: 20060014047Abstract: A luminescence device comprising a pair of electrodes and an organic compound layer disposed between the electrodes. The layer contains a metal coordination compound represented by the following formula (1): wherein M is Ir, Rh or Pd; n is 2 or 3; and X1 to X8 is, independently, a hydrogen atom or a substituent selected from the group consisting of a halogen atom; a nitro group; a trifluoromethyl group; a trialkylsilyl group having three linear or branched alkyl groups each independently having 1-8 carbon atoms; and a linear or branched alkyl group having 2-20 carbon atoms capable of including one or at least two non-neighboring methylene groups which can be replaced with —O—, —S—, —C(O)—, —C(O)—O—, —O—C(O)—, —CH?CH— or —C?C— and capable of including hydrogen atom which can be replaced with fluorine atom.Type: ApplicationFiled: September 15, 2005Publication date: January 19, 2006Applicant: Canon Kabushiki KaishaInventors: Takao Takiguchi, Hidemasa Mizutani, Shinjiro Okada, Akira Tsuboyama, Seishi Miura, Takashi Moriyama, Satoshi Igawa, Jun Kamatani, Manabu Furugori
-
Patent number: 6982422Abstract: A photoelectric converter of a high signal-to-noise ratio, low cost, high productivity and stable characteristics and a system including the above photoelectric converter. The photoelectric converter includes a photoelectric converting portion in which a first electrode layer, an insulating layer for inhibiting carriers from transferring, a photoelectric converting semiconductor layer of a non-single-crystal type, an injection blocking layer for inhibiting a first type of carriers from being injected into the semiconductor layer and a second electrode layer are laminated in this order on an insulating substrate.Type: GrantFiled: February 20, 2004Date of Patent: January 3, 2006Assignee: Canon Kabushiki KaishaInventors: Noriyuki Kaifu, Hidemasa Mizutani, Shinichi Takeda, Isao Kobayashi, Satoshi Itabashi
-
Publication number: 20050266268Abstract: An organic EL device includes a luminescence layer containing a metal coordination compound represented by the following formula (1): LmML?n, wherein M denotes Ir, Pt, Rh or Pd; L denotes a bidentate ligand; L? denotes a bidentate ligand different from L; m is an integer of 1, 2 or 3; and n is an integer of 0, 1 or 2 with the proviso that the sum of m and n is 2 or 3. The partial structure MLm is represented by formula (2) or formula (3) shown below, and the partial structure ML?n is represented by formula (4) or formula (5) shown below: wherein CyN1, CyN2 and CyN3 independently denote a substituted or unsubstituted cyclic group containing a nitrogen atom connected to M; CyN4 denotes a cyclic group containing 8-quinoline or its derivative having a nitrogen atom connected to M.Type: ApplicationFiled: August 1, 2005Publication date: December 1, 2005Applicant: Canon Kabushiki KaishaInventors: Akira Tsuboyama, Hidemasa Mizutani, Shinjiro Okada, Takao Takiguchi, Seishi Miura, Koji Noguchi, Takashi Moriyama, Satoshi Igawa, Jun Kamatani, Manabu Furugori
-
Patent number: 6946207Abstract: An electroconductive device includes a pair of oppositely disposed electrodes, a luminescence layer and an electroconductive layer disposed between the electrodes. The electroconductive layer includes a mixture of a plurality of organic compounds which are mutually structural isomers and include a major component and a minor component. The mixture contains the major and minor components in a (major component/minor component) ratio of 1/1 to 9/1. When the electroconductive layer is used as a carrier injection or transport layer, preferably an electron injection layer, a resultant electroluminescence (EL) device exhibits a high luminescence efficiency.Type: GrantFiled: September 27, 2001Date of Patent: September 20, 2005Assignee: Canon Kabushiki KaishaInventors: Jun Kamatani, Hidemasa Mizutani, Shinjiro Okada, Akira Tsuboyama, Takao Takiguchi, Takashi Moriyama
-
Publication number: 20050085654Abstract: A metal coordination compound having a basic structure represented by formula: MLmL?n (1), wherein M is a metal atom of Ir, Pt, Rh or Pd; L and L? are mutually different bidentate ligands; m is 1, 2 or 3; wherein at least one bidentate ligand has a partial structure formed by condensation via an alkylene group having 2-10 carbon atoms, is provided. In an electroluminescence device composed of one or a plurality of organic films disposed between a cathode and an anode, at least one layer is a luminescence layer which is formed by incorporating luminescence molecules constituting the metal coordination compound having a structure of the formula (1) described above as a guest material in a host material thereby to provide an electroluminescence device producing luminescence at high efficiency and stably keeping a high luminance for a long period.Type: ApplicationFiled: September 17, 2004Publication date: April 21, 2005Applicant: CANON KABUSHIKI KAISHAInventors: Takao Takiguchi, Akira Tsuboyama, Shinjiro Okada, Jun Kamatani, Seishi Miura, Takashi Moriyama, Satoshi Igawa, Manabu Furugori, Hidemasa Mizutani
-
Publication number: 20050046918Abstract: The tiltable-body apparatus including a frame member, a tiltable body, and a pair of torsion springs having a twisting longitudinal axis. The torsion springs are disposed along the twisting longitudinal-axis opposingly with the tiltable body being interposed, support the tiltable body flexibly and rotatably about the twisting longitudinal axis relative to the frame member, and include a plurality of planar portions, compliant directions of which intersect each other when viewed along a direction of the twisting longitudinal axis. A center of gravity of the tiltable body is positioned on the twisting longitudinal axis of the torsion springs.Type: ApplicationFiled: September 28, 2004Publication date: March 3, 2005Applicant: Canon Kabushiki KaishaInventors: Susumu Yasuda, Hidemasa Mizutani, Takayuki Yagi, Yasuhiro Shimada, Futoshi Hirose, Takahisa Kato
-
Publication number: 20050025996Abstract: A luminescence device that has an organic compound layer disposed between a pair of electrodes. This organic compound layer contains a metal coordination compound represented by the following formula (1): wherein M is Ir, Rh or Pd; n is 2 or 3; CyN is a substituted or unsubstituted cyclic group containing a nitrogen atom connected to M and capable of containing another nitrogen atom and/or a sulfur atom; and CyC is a substituted or unsubstituted cyclic group containing a carbon atom connected to M and capable of containing a nitrogen atom and/or a sulfur atom.Type: ApplicationFiled: August 20, 2004Publication date: February 3, 2005Applicant: CANON KABUSHIKI KAISHAInventors: Akira Tsuboyama, Hidemasa Mizutani, Shinjiro Okada, Takao Takiguchi, Seishi Miura, Takashi Moriyama, Satoshi Igawa, Jun Kamatani, Manabu Furugori
-
Publication number: 20050014025Abstract: A luminescence device comprising a pair of electrodes and an organic compound layer disposed between the electrodes. The layer contains a metal coordination compound represented by the following formula (1): wherein M is Ir, Rh or Pd; n is 2 or 3; and X1 to X8 is, independently, a hydrogen atom or a substituent selected from the group consisting of a halogen atom; a nitro group; a trifluoromethyl group; a trialkylsilyl group having three linear or branched alkyl groups each independently having 1-8 carbon atoms; and a linear or branched alkyl group having 2-20 carbon atoms capable of including one or at least two non-neighboring methylene groups which can be replaced with —O—, —S—, —C(O)—, —C(O)—O—, —O—C(O)—, —CH?CH— or —C?C— and capable of including hydrogen atom which can be replaced with fluorine atom.Type: ApplicationFiled: August 6, 2004Publication date: January 20, 2005Applicant: Canon Kabushiki KaishaInventors: Takao Takiguchi, Hidemasa Mizutani, Shinjiro Okada, Akira Tsuboyama, Seishi Miura, Takashi Moriyama, Satoshi Igawa, Jun Kamatani, Manabu Furugori
-
Patent number: 6831765Abstract: The tiltable-body apparatus including a frame member, a tiltable body, and a pair of torsion springs having a twisting longitudinal axis. The torsion springs are disposed along the twisting longitudinal axis opposingly with the tiltable body being interposed, support the tiltable body flexibly and rotatably about the twisting longitudinal axis relative to the frame member, and include a plurality of planar portions, compliant directions of which intersect each other when viewed along a direction of the twisting longitudinal axis. A center of gravity of the tiltable body is positioned on the twisting longitudinal axis of the torsion springs.Type: GrantFiled: February 13, 2002Date of Patent: December 14, 2004Assignee: Canon Kabushiki KaishaInventors: Susumu Yasuda, Hidemasa Mizutani, Takayuki Yagi, Yasuhiro Shimada, Futoshi Hirose, Takahisa Kato
-
Patent number: 6824894Abstract: A metal coordination compound having a basic structure represented by formula: MLmL′n (1), wherein M is a metal atom of Ir, Pt, Rh or Pd; L and L′ are mutually different bidentate ligands; m is 1, 2 or 3; wherein at least one bidentate ligand has a partial structure formed by condensation via an alkylene group having 2-10 carbon atoms, is provided. In an electroluminescence device composed of one or a plurality of organic films disposed between a cathode and an anode, at least one layer is a luminescence layer which is formed by incorporating luminescence molecules constituting the metal coordination compound having a structure of the formula (1) described above as a guest material in a host material thereby to provide an electroluminescence device producing luminescence at high efficiency and stably keeping a high luminance for a long period.Type: GrantFiled: July 17, 2002Date of Patent: November 30, 2004Assignee: Canon Kabushiki KaishaInventors: Takao Takiguchi, Akira Tsuboyama, Shinjiro Okada, Jun Kamatani, Seishi Miura, Takashi Moriyama, Satoshi Igawa, Manabu Furugori, Hidemasa Mizutani