Patents by Inventor Takashi Ohba
Takashi Ohba 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: 11049845Abstract: A semiconductor device comprises the following: a wiring substrate having on one side a recessed section and a plurality of connection pads; a first semiconductor chip mounted in the recessed section; a second semiconductor chip that has a plurality of electrode pads on the surface of at least one end section (in this case, both ends) and that is laminated onto the first semiconductor chip so that at least one end section (in this case, both ends) protrudes from the first semiconductor chip; a plurality of wires that mutually and electrically connect the plurality of connection pads of the wiring substrate and the plurality of electrode pads of the second semiconductor chip. One end section of the second semiconductor chip extends beyond the inner surface of the recessed section and is supported by one side of the wiring substrate.Type: GrantFiled: September 4, 2013Date of Patent: June 29, 2021Assignee: LONGITUDE LICENSING LIMITEDInventors: Takashi Ohba, Yoshihiro Sato
-
Publication number: 20150235994Abstract: A semiconductor device comprises the following: a wiring substrate having on one side a recessed section and a plurality of connection pads; a first semiconductor chip mounted in the recessed section; a second semiconductor chip that has a plurality of electrode pads on the surface of at least one end section (in this case, both ends) and that is laminated onto the first semiconductor chip so that at least one end section (in this case, both ends) protrudes from the first semiconductor chip; a plurality of wires that mutually and electrically connect the plurality of connection pads of the wiring substrate and the plurality of electrode pads of the second semiconductor chip. One end section of the second semiconductor chip extends beyond the inner surface of the recessed section and is supported by one side of the wiring substrate.Type: ApplicationFiled: September 4, 2013Publication date: August 20, 2015Applicant: PS5 Luxco S.a.r.l.Inventors: Takashi Ohba, Yoshihiro Sato
-
Patent number: 8332785Abstract: In an analyzing apparatus, an input accepting unit accepts input information including an analysis condition of a circuit element (circuit) to be analyzed, an analysis-SPICE-file generating unit generates an analysis SPICE file based on the input information, and an analysis-SPICE-file executing unit executes the analysis SPICE file, thereby analyzing the characteristic of the circuit element.Type: GrantFiled: June 22, 2009Date of Patent: December 11, 2012Assignee: Fujitsu LimitedInventor: Takashi Ohba
-
Patent number: 8198141Abstract: An intermediate structure for semiconductor devices includes a wiring board, a plurality of semiconductor chips mounted on the wiring board, and a sealing body for collectively sealing the plurality of semiconductor chips and having a region with a different thickness.Type: GrantFiled: December 14, 2009Date of Patent: June 12, 2012Assignee: Elpida Memory, Inc.Inventors: Youkou Ito, Takashi Ohba
-
Publication number: 20100148377Abstract: An intermediate structure for semiconductor devices includes a wiring board, a plurality of semiconductor chips mounted on the wiring board, and a sealing body for collectively sealing the plurality of semiconductor chips and having a region with a different thickness.Type: ApplicationFiled: December 14, 2009Publication date: June 17, 2010Inventors: Youkou ITO, Takashi Ohba
-
Publication number: 20100031207Abstract: In an analyzing apparatus, an input accepting unit accepts input information including an analysis condition of a circuit element (circuit) to be analyzed, an analysis-SPICE-file generating unit generates an analysis SPICE file based on the input information, and an analysis-SPICE-file executing unit executes the analysis SPICE file, thereby analyzing the characteristic of the circuit element.Type: ApplicationFiled: June 22, 2009Publication date: February 4, 2010Applicant: FUJITSU LIMITEDInventor: Takashi OHBA
-
Patent number: 6135589Abstract: An ink jet head includes a first member with an energy generating element for generating energy to eject ink, a second member having an ejection outlet forming member provided with an ink ejection outlet through which the ink is ejected, the second member being affixed to the first member to form a liquid passage in fluid communication with the ejection outlet, and urging means for urging the first and second members together to substantially fix them against each other. The ejection outlet forming member has a jaw connected with a surface of the first member which has the energy generating element, the jaw being adjacent a first member side of the ejection outlet. The following relationships are satisfied, namely, b.gtoreq.5 microns, c.gtoreq.Type: GrantFiled: July 7, 1997Date of Patent: October 24, 2000Assignee: Canon Kabushiki KaishaInventors: Hiroshi Nakagomi, Teruo Arashima, Kunihiko Maeoka, Takashi Ohba, Jun Kawai, Tsutomu Abe, Hiroshi Sugitani, Yoshifumi Hattori, Masami Ikeda, Asao Saito, Kazuaki Masuda, Akio Saito, Makiko Kimura, Toshio Kashino, Hideo Saikawa, Seiichiro Karita, Tsuyoshi Orikasa
-
Patent number: 6113223Abstract: An ink jet recording apparatus includes a liquid passage for ejection of ink; a liquid chamber for supplying ink to the passage; a device for mounting the recording head on the ink jet recording apparatus at an angle not more than 45 degrees relative to the horizontal plane; wherein the chamber has an internal surface which is slanted in a direction from an ink inlet thereof toward the liquid passage at the angle of 5-40 degrees relative to an extension of the liquid passage.Type: GrantFiled: February 18, 1997Date of Patent: September 5, 2000Assignee: Canon Kabushiki KaishaInventors: Shigeaki Tanaka, Nobuyuki Kuwabara, Akira Goto, Takashi Watanabe, Kunihiko Maeoka, Masaaki Izumida, Koichi Sato, Tsuguhiro Fukuda, Hiroshi Sugitani, Yoshifumi Hattori, Masami Ikeda, Asao Saito, Kazuaki Masuda, Akio Saito, Tsuyoshi Orikasa, Takashi Ohba, Hiroshi Nakagomi, Teruo Arashima, Jun Kawai, Tsutomu Abe, Toshio Kashino, Makiko Kimura, Hideo Saikawa, Seiichiro Karita
-
Patent number: 6059400Abstract: An ink jet head includes a base member, a first member having recesses and coupled with the base member to form ink passages using the recesses and a second member integral with the first member and extending at an angle from an end of the first member, the second member having ink ejection outlets communicating with the ink passages.Type: GrantFiled: October 14, 1997Date of Patent: May 9, 2000Assignee: Canon Kabushiki KaishaInventors: Makiko Kimura, Toshio Kashino, Teruo Arashima, Hiroshi Sugitani, Yoshifumi Hattori, Masami Ikeda, Asao Saito, Kazuaki Masuda, Akio Saito, Tsuyoshi Orikasa, Takashi Ohba, Kunihiko Maeoka, Jun Kawai, Tsutomu Abe, Hiroshi Nakagomi
-
Patent number: 5548308Abstract: A liquid-discharge recording apparatus such as an ink-jet printer comprises: a liquid-discharge recording unit having an emission energy generating device including an electrothermal energy converting device which can heat a recording liquid such as an ink to form liquid droplets in response to an electrical signal, in which this recording unit emits the liquid droplets and deposits them on a recording paper and thereby recording thereon; a recording unit control circuit which can set and supplies the electrical signal to form the liquid droplets to the emission energy generating device in response to a recording signal; and an emission controller for setting the electrical signal to form the liquid droplets to the recording unit control circuit when a power supply is turned on, thereby allowing the recording unit to and emit the liquid droplets in accordance with an environmental condition such as a temperature of the recording liquid.Type: GrantFiled: February 14, 1995Date of Patent: August 20, 1996Assignee: Canon Kabushiki KaishaInventors: Akira Nagatomo, Yoshifumi Hattori, Isao Ebisawa, Tsutomu Abe, Takashi Ohba, Hiroshi Iida, Kenjiro Watanabe
-
Patent number: 5485184Abstract: An ink jet head includes first and second members for constituting liquid passages by joining them together; the second member has an ejection outlet forming member having a thickness a and is provided with a jaw having a dimension b, wherein an inside end of an ejection outlet of the ejection outlet forming member is displaced by a distance c from adjacent wall of a liquid passage, with b.gtoreq.5 microns, c.gtoreq.3 microns, and 20 microns.ltoreq.a+b.ltoreq.60 microns.Type: GrantFiled: May 4, 1995Date of Patent: January 16, 1996Assignee: Canon Kabushiki KaishaInventors: Hiroshi Nakagomi, Teruo Arashima, Kunihiko Maeoka, Takashi Ohba, Jun Kawai, Tsutomu Abe, Hiroshi Sugitani, Yoshifumi Hattori, Masami Ikeda, Asao Saito, Kazuaki Masuda, Akio Saito, Makiko Kimura, Toshio Kashino, Hideo Saikawa, Seiichiro Karita, Tsuyoshi Orikasa
-
Patent number: 5436649Abstract: An ink jet head includes first and second members for constituting liquid passages by joining them together; and a clamp for applying a line pressure to one of the members. By using such a clamp, the pressing force can be concentrated in a line to provide a uniform pressing force to ensure reliable clamping.Type: GrantFiled: November 17, 1994Date of Patent: July 25, 1995Assignee: Canon Kabushiki KaishaInventors: Hiroshi Nakagomi, Teruo Arashima, Kunihiko Maeoka, Takashi Ohba, Jun Kawai, Tsutomu Abe, Hiroshi Sugitani, Yoshifumi Hattori, Masami Ikeda, Asao Saito, Kazuaki Masuda, Akio Saito, Makiko Kimura, Toshio Kashino, Hideo Saikawa, Seiichiro Karita, Tsuyoshi Orikasa
-
Patent number: 5389957Abstract: An ink jet head includes a base member, a first member having recesses and coupled with the base member to form ink passages using the recesses and a second member integral with the first member and extending at an angle from an end of the first member, the second member having ink ejection outlets communicating with the ink passages.Type: GrantFiled: September 8, 1992Date of Patent: February 14, 1995Assignee: Canon Kabushiki KaishaInventors: Makiko Kimura, Toshio Kashino, Teruo Arashima, Hiroshi Sugitani, Yoshifumi Hattori, Masami Ikeda, Asao Saito, Kazuaki Masuda, Akio Saito, Tsuyoshi Orikasa, Takashi Ohba, Kunihiko Maeoka, Jun Kawai, Tsutomu Abe, Hiroshi Nakagomi
-
Patent number: 5339098Abstract: A liquid-discharge recording apparatus such as an ink-jet printer comprises: a liquid-discharge recording unit having an emission energy generating device including an electrothermal energy converting device which can heat a recording liquid such as an ink to form liquid droplets in response to an electrical signal, in which this recording unit emits the liquid droplets and deposits them on a recording paper and thereby recording thereon; a recording unit control circuit which can set and supplies the electrical signal to form the liquid droplets to the emission energy generating device in response to a recording signal; and an emission controller for setting the electrical signal to form the liquid droplets to the recording unit control circuit when a power supply is turned on, thereby allowing the recording unit to emit the liquid droplets in accordance with an environmental condition such as a temperature of the recording liquid.Type: GrantFiled: July 15, 1992Date of Patent: August 16, 1994Assignee: Canon Kabushiki KaishaInventors: Akira Nagatomo, Yoshifumi Hattori, Isao Ebisawa, Tsutomu Abe, Takashi Ohba, Hiroshi Iida, Kenjiro Watanabe
-
Patent number: 5305521Abstract: Disclosed in an ink-jet head assembling method for executing alignments between a top plate and a heater board. The method comprises steps of holding the top plate by fingers, moving the fingers to bring the top plate to a position above the heater board with adhesives having been applied, releasing the holding of the fingers, enabling them to engage with an ink reception port of the top plate, and moving the fingers sideways to abut against the ink reception port, and adjusting a relative position between heaters of the heater board and nozzles of the top plate.Type: GrantFiled: June 23, 1992Date of Patent: April 26, 1994Assignee: Canon Kabushiki KaishaInventors: Masaki Inaba, Tsuyoshi Baba, Tsuyoshi Orikasa, Takashi Ohba, Toshio Tsuda
-
Patent number: 5302971Abstract: A liquid-discharge recording apparatus includes a recording head, an emission signal generator, and a heating signal generator. The recording head includes electrothermal energy converting elements for generating energy used to emit liquid in response to an emission signal from an emission signal generated by the emission signal generator. The heating signal generator generates an electrical signal applied to the electrothermal energy converting elements of sufficient level for heating the liquid, without discharging, during a first heating mode when power is supplied to the apparatus and for generating an electrical signal during a second heating mode, subsequent to the first heating mode, when recording begins after an interruption in power supply. In addition, a controller is provided for controlling a heater such that the heater is deactivated when the discharge opening of the recording head is capped. A liquid-discharge recording method is applied to the liquid-discharge recording apparatus.Type: GrantFiled: September 21, 1992Date of Patent: April 12, 1994Assignee: Canon Kabushiki KaishaInventors: Takashi Ohba, Hiroshi Iida, Haruyuki Matsumoto
-
Patent number: 5243755Abstract: An ink-jet head assembling apparatus assembles a nozzle head of an ink-jet head for discharging an ink in a predetermined pattern from a heater board having a plurality of heaters for heating the ink, and a top plate member having a plurality of discharge orifices for discharging the ink heated by the corresponding heaters in a jet-like manner.Type: GrantFiled: October 30, 1991Date of Patent: September 14, 1993Assignee: Canon Kabushiki KaishaInventors: Masaki Inaba, Fumio Ichikawa, Tsunenobu Satoi, Hiroshi Haruyama, Tsuyoshi Baba, Tsuyoshi Orikasa, Takashi Ohba
-
Patent number: 4601756Abstract: A recording liquid comprises a liquid composition containing water-soluble dyes as coloring component, characterized in that C.I. Food Black 2 and one or more dyes in different color or colors are used in combination as said coloring component.Type: GrantFiled: October 15, 1984Date of Patent: July 22, 1986Assignee: Canon Kabushiki KaishaInventors: Masahiro Chiba, Kazuo Iwata, Tadayuki Nakousai, Hiroko Ogawa, Takashi Ohba