Patents by Inventor Mitsuhiro Mori
Mitsuhiro Mori 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).
-
Publication number: 20030169214Abstract: A subfield lighting rate measuring unit detects a lighting rate for each subfield, and a subfield processor controls a scan driver and a sustain driver so that a recovery time of each sustain pulse, a resonance time of LC resonance and a sustain period become longer as the detected lighting rate for each subfield becomes smaller.Type: ApplicationFiled: March 10, 2003Publication date: September 11, 2003Inventors: Shigeo Kigo, Mitsuhiro Kasahara, Mitsuhiro Mori, Jumpei Hasiguchi
-
Publication number: 20030129497Abstract: An anode for use in a non-aqueous-electrolyte secondary battery includes an active material film for occluding and releasing lithium ions, and an amorphous carbon film or a diamond-like carbon film covering the active material film for suppressing growth of dendrite and degradation of the anode, thereby achieving improved cycle lifetime of the secondary battery.Type: ApplicationFiled: September 3, 2002Publication date: July 10, 2003Applicant: NEC CORPORATIONInventors: Hironori Yamamoto, Mitsuhiro Mori, Jiro Iriyama, Kouji Utsugi, Tamaki Miura, Yutaka Bannai, Mariko Miyachi
-
Publication number: 20030087500Abstract: This invention provides a technique for preventing film quality of a capacitive insulating film made of a ferroelectric film of a FeRAM memory cell from being degraded and for improving the characteristics of the FeRAM memory cell.Type: ApplicationFiled: November 21, 2002Publication date: May 8, 2003Applicant: Hitachi, Ltd.Inventors: Hiromichi Waki, Keiichi Yoshizumi, Mitsuhiro Mori
-
Publication number: 20030063931Abstract: A heat plate for fixation comprising: a metallic base plate; and a heating resistor arranged on a reverse face of the metallic base plate, the heating resistor being formed by laminating, at least, an electric insulating layer and heating resistor layer in this order on the metallic base plate, wherein the heat plate is capable of raising the temperature of the metallic base plate to a fixing temperature when the heating resistor layer is energized and heated. A semicircular heating member for fixation comprises the heat plate which is curved so that the metallic base plate has a convex surface, a belt type fixing device is provided with the semicircular heating member, and an electrophotographic image forming apparatus is provided with the belt type fixing device comprising the semicircular heating member.Type: ApplicationFiled: March 27, 2002Publication date: April 3, 2003Inventors: Koichi Sanpei, Mitsuhiro Mori, Akio Yano, Masatoshi Kimura, Masao Konishi, Takao Kawamura, Akio Harada, Tsuyoshi Nishi, Yukio Yamamoto, Yoshiaki Ohbayashi, Naoya Takehara, Toru Imai
-
Publication number: 20030054249Abstract: This invention relates to an anode for a secondary battery capable of occluding and releasing lithium ions, the anode having a multi-layer structure comprising: a first layer containing carbon as a main component; and a second layer as a main component containing a lithium-occluding material film, the film capable of occluding lithium more than a theoretical lithium-occlusion capacity for carbon, as well as a secondary battery using the anode. This invention can provide a secondary battery with a substantially improved battery capacity in a range where the battery is actually used, while having a higher charge-discharge efficiency and good cycle properties.Type: ApplicationFiled: March 25, 2002Publication date: March 20, 2003Applicant: NEC CORPORATIONInventors: Hironori Yamamoto, Jiro Iriyama, Tamaki Miura, Mitsuhiro Mori, Koji Utsugi
-
Publication number: 20030036000Abstract: A negative electrode for a rechargeable battery including: a current collector, a first layer containing a conductive material to occlude and release lithium ion, the first layer formed on the current collector, a second layer containing a metal selected from lithium and lithium alloy, the second layer formed on the first layer, and a third layer containing a lithium ion. conductive material, the third layer formed on the second layer. The third layer prevents the lithium and/or the lithium alloy in the second layer from being in contact with the electrolyte and smoothly feeds the lithium to the second layer to improve the efficiency of the negative electrode. The first layer can occlude and release the part of the lithium to be occluded and released, thereby reducing the volume change of the second layer. Such a structure of the negative electrode enables us to enhance cycling efficiency, and to attain long cycle life and good safety.Type: ApplicationFiled: July 31, 2002Publication date: February 20, 2003Applicant: NEC CorporationInventors: Mitsuhiro Mori, Hironori Yamamoto, Koji Utsugi, Jiro Iriyama, Tamaki Miura, Mariko Miyachi
-
Patent number: 6509597Abstract: A shielding film having a higher lead content than that of a capacitive insulating film is formed under a lower electrode of a capacitor in a FeRAM memory cell, and another shielding film having a higher lead content than that of the capacitive insulating film is formed on an upper electrode. PZT films to be used as barrier layers are formed in the interlayer insulating films of the FeRAM memory cell. As a result, it is possible to prevent H2 or H2O from entering an upper portion or a lower portion of the capacitor, and lead diffused from the capacitive insulating film can be compensated by lead included in the shielding films, and it is possible to prevent characteristics of the capacitive insulating film from being degraded.Type: GrantFiled: August 28, 2001Date of Patent: January 21, 2003Assignee: Hitachi, Ltd.Inventors: Hiromichi Waki, Keiichi Yoshizumi, Mitsuhiro Mori
-
Publication number: 20030003364Abstract: A lithium secondary battery includes: a positive electrode; and a negative electrode, which further includes a lamination structure comprising: a lithium ion supporting layer capable of supporting lithium ions; and an amorphous-state lithium-based layer in contact directly with the lithium ion supporting layer.Type: ApplicationFiled: June 14, 2002Publication date: January 2, 2003Applicant: NEC CORPORATIONInventors: Mitsuhiro Mori, Kouji Utsugi, Hironori Yamamoto, Jiro Iriyama, Tamaki Miura
-
Publication number: 20020086213Abstract: A lithium secondary cell has, on a conductive substrate (collector) a lithium layer containing metallic lithium or an alloy thereof, and further has a metal fluoride substance film containing at least one type metal fluoride substance.Type: ApplicationFiled: November 6, 2001Publication date: July 4, 2002Applicant: NEC CORPORATIONInventors: Koji Utsugi, Mitsuhiro Mori, Jiro Iriyama, Hironori Yamamoto
-
Publication number: 20020042185Abstract: This invention provides a technique for preventing film quality of a capacitive insulating film made of a ferroelectric film of a FeRAM memory cell from being degraded and for improving the characteristics of the FeRAM memory cell.Type: ApplicationFiled: August 28, 2001Publication date: April 11, 2002Applicant: Hitachi, Ltd.Inventors: Hiromichi Waki, Keiichi Yoshizumi, Mitsuhiro Mori
-
Patent number: 6337376Abstract: A method to prepare a polyolefin in the presence of a catalyst comprising: (A) a solid catalyst component prepared by reacting a homogenous solution consisting of (i) at least one member selected from the group consisting of metal magnesium and a hydroxylated organic compound, and oxygen-containing organic compounds of magnesium, (ii) at least one oxygen-containing organic compound of titanium and (iii) at least one silicon compound, first with (iv) at least one first organoaluminum halide compound of the formula: AlR5zX3−z wherein R5 is a hydrocarbon group having from 1 to 20 carbon atoms, X is a halogen atom, and 1≦z≦2, and wherein the atomic ratio of gram atoms of Al in the component (iv) to gram atoms of Mg in the component (i) (Al/Mg) is from 0.1 to 2.Type: GrantFiled: November 21, 1994Date of Patent: January 8, 2002Assignee: Tosoh CorporationInventors: Yutaka Naito, Fumiharu Takahashi, Mitsuhiro Mori, Yozo Kondo
-
Patent number: 6320003Abstract: A method for producing a polyolefin in the presence of a catalyst comprising a transition metal compound and an organometallic compound, wherein a catalyst system is used which comprises (A) a solid catalyst component prepared by reacting a homogeneous solution containing (I) at least one member selected from the group consisting of metal magnesium and a hydroxylated organic compound, and oxygen-containing organic compounds of magnesium, (II) at least one zirconium compound selected from the group consisting of oxygen-containing organic compounds and halogen-containing compounds of zirconium, and (III) at least one silicon compound selected from the group consisting of polysiloxanes and silanes, with (IV) at least one organoaluminum halide compound to obtain a solid product, isolating the solid product, and reacting this solid product with (V) at least one halogen-containing compound of titanium, and (B) at least one catalyst component selected from the group consisting of organoaluminum compounds.Type: GrantFiled: November 10, 1994Date of Patent: November 20, 2001Assignee: Tosoh CorporationInventors: Sadaki Nishimura, Yutaka Naito, Mitsuhiro Mori, Yozo Kondo
-
Patent number: 6215469Abstract: Luminous gradations are displayed to display luminous half tones. This is accomplished by superposing in time wise fashion a plurality of binary images, in which the binary images are individually assigned with a weight according to respective luminous level so that an absolute value of difference (“primary difference”) of the weights that are assigned to each of the adjoining binary images becomes equal to or less than 6% of a total number of luminous gradations that are displayed by superposing the binary images, when the binary images are arranged in an ascending order.Type: GrantFiled: June 25, 1998Date of Patent: April 10, 2001Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Mitsuhiro Mori, Jumpei Hashiguchi, Mitsuhiro Kasahara, Shizuo Inohara
-
Patent number: 6130301Abstract: A method for producing a polyolefin, which comprises polymerizing or copolymerizing at least one olefin in the presence of a catalyst system comprising (A) a solid catalyst component of a titanium catalyst component obtained by reacting at least one aluminum halide compound with a homogeneous solution containing magnesium, titanium and alkoxy groups, wherein the aluminum halide compound is added to the homogeneous solution to provide a halogen atom in a mol ratio of from 0.2 to 0.4 to one mol of the alkoxy groups contained in the homogeneous solution to precipitate particles in the former step, and the aluminum halide compound is further added to provide a halogen atom in a mol ratio of from 1 to 20 to one mol of the alkoxy groups to treat the resultant mixture containing the precipitated particles in the latter step, and (B) at least one organic aluminum compound catalyst component.Type: GrantFiled: September 4, 1997Date of Patent: October 10, 2000Assignee: Tosoh CorporationInventors: Sadaki Nishimura, Hideyuki Takitani, Yutaka Naito, Mitsuhiro Mori
-
Patent number: 6072026Abstract: An aniline polymer having structural Formula I: ##STR1## wherein both n1 and n2 are integers of 2 or more, m is an integer of 0 or more and X.sup.- is any anion. A substance for use in an electrode must be an aniline polymer having preferably two or more serial S--S linkages, such as "S--S--S", "S--S--S--S" and the like, consisting of sulfur. By having such structures, the substance, when used as an electrode active material, serves to improve capacity considerably as compared with other conventional electrode active materials.Type: GrantFiled: September 2, 1997Date of Patent: June 6, 2000Assignee: Yazaki CorporationInventors: Kenichi Kawase, Yoshinori Inoue, Michiko Komiyama, Mitsuhiro Mori, Yasushi Oura, Katsuhiko Naoi
-
Patent number: 5945723Abstract: In a composite controlled semiconductor device having an insulated gate and a power conversion device using the same, a p type semiconductor region forming no channel is provided in the composite device structure between a plurality of p type semiconductor regions forming a channel and the potential of the p type semiconductor region in an ON state takes a value high enough to inject holes into an n type semiconductor region adjacent to the p type semiconductor region.Type: GrantFiled: September 19, 1997Date of Patent: August 31, 1999Assignee: Hitachi, Ltd.Inventor: Mitsuhiro Mori
-
Patent number: 5780917Abstract: In a composite controlled semiconductor device having an insulated gate, a p type semiconductor region forming no channel is provided between a plurality of p type semiconductor regions forming a channel and the potential of the p type semiconductor region in an ON state takes a value high enough to inject holes into an n type semiconductor region adjacent to the p type semiconductor region.Type: GrantFiled: April 2, 1993Date of Patent: July 14, 1998Assignee: Hitachi, Ltd.Inventor: Mitsuhiro Mori
-
Patent number: 5726521Abstract: An electromechanical actuator has a stack composed of electromechanical elements, and an inactive element intervening in the stack to divide it into two sections. In a wire-dot printing head using the actuator, the stack sections are successively energized to increase a forward stroke of a printing wire for a high speed printing. In another aspect, an electromechanical actuator used in a wire-dot printer has a spring for regulating and braking a rearward stroke of a printing wire or a stopper such that the wire can be prevented from being moved back beyond an initial position. Alternatively, a stopper is incorporated to forcibly stop the wire at the initial position during the rearward stroke thereof. In yet another aspect, an electromechanical actuator has a stack composed of electromechanical elements, and the stack is supported by a block through a leaf spring securely joined therebetween to prevent generation of large stress in the stack.Type: GrantFiled: December 16, 1996Date of Patent: March 10, 1998Assignee: Fujitsu LimitedInventors: Shinji Kon, Syuichi Yamaki, Mitsuhiro Yoshida, Daisuke Kimura, Shigeo Miura, Yuji Oshime, Mitsuhiro Mori
-
Patent number: 5633516Abstract: A semiconductor device has a lattice-mismatched crystal structure including a semiconductor film formed on a substrate with an intervening buffer layer. The buffer layer has a plurality of layers, including first sublayers, or regions, in which an element that controls the lattice constant is provided in increasing mole fraction, and second sublayers, or regions, in which the lattice constant is maintained. The first sublayers and second sublayers are provided in alternating fashion. The resulting device has an increased electron mobility as compared with the prior art.Type: GrantFiled: July 24, 1995Date of Patent: May 27, 1997Assignee: Hitachi, Ltd.Inventors: Tomoyoshi Mishima, Katsuhiko Higuchi, Mitsuhiro Mori, Makoto Kudo, Chushiro Kusano
-
Patent number: 5629390Abstract: A method for producing a polyolefin in the presence of a catalyst comprising a transition metal compound and an organometallic compound, wherein a catalyst system is used which comprises: (A) a solid catalyst component prepared by reacting a uniform solution containing (I) at least one member selected from the group consisting of metal magnesium and a hydroxylated organic compound, and oxygen-containing organic compounds of magnesium, (II) an electron donative compound and (III) an oxygen-containing organic compound of titanium, with (IV) at least one aluminum halide compound to obtain a solid product, adding to this solid product (V) at least one compound selected from the group consisting of oxygen-containing organic compounds of one or more transition metals of Group IVa of the Periodic Table, and then treating the mixture with (VI) an aluminum halide compound, and (B) at least one catalyst component selected from the group consisting of organoaluminum compounds.Type: GrantFiled: May 16, 1996Date of Patent: May 13, 1997Assignee: Tosoh CorporationInventors: Sadaki Nishimura, Yutaka Naito, Toshikazu Chikusa, Mitsuhiro Mori, Yozo Kondo