Patents by Inventor Yasuo Oguri
Yasuo Oguri 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: 5849212Abstract: An electroviscous fluid comprising an electrically insulated liquid and solid ectrolyte particles dispersed therein.Type: GrantFiled: June 5, 1995Date of Patent: December 15, 1998Assignee: Mitsubishi Chemical CorporationInventors: Koji Shima, Eiji Hattori, Yasuo Oguri
-
Patent number: 5750048Abstract: An electroviscous fluid comprising an electrically insulating liquid and solid electrolyte particles dispersed therein.Type: GrantFiled: March 28, 1995Date of Patent: May 12, 1998Assignee: Mitsubishi Chemical CorporationInventors: Koji Shima, Eiji Hattori, Yasuo Oguri
-
Patent number: 5665660Abstract: The object of the present invention is to provide a glass composition which has a sufficient bonding strength for bonding a fluorescent film with a glass tube, does not hinder decomposition of the binder and is effective as an adhesive material, and to provide a fluorescent lamp using the glass composition. The object can be achieved by a glass composition, represented by the general formula,xMO.yB.sub.2 O.sub.3.zM'.sub.2 O.sub.3.uM"O.sub.2.vM'".sub.2 O.sub.5in which M is at least one element of Mg, Ca, Sr, Ba and Zn, M' is at least one element of Al, Sc, Y and lanthanoid elements, M" is at least one element of Ti, Zr, Hf, Th and Si, M'" is at least one element of Nb and Ta, x, y, z, u and v satisfy the relationships of 0<x.ltoreq.70, 15.ltoreq.y.ltoreq.80, 0.ltoreq.z.ltoreq.50, 0.ltoreq.u.ltoreq.30, 0.ltoreq.v.ltoreq.30, 0.5.ltoreq.u+v.ltoreq.50 and x+y+z+u+v=100, represented by mol %, and by a fluorescent lamp, in which the glass composition is incorporated in a phosphor layer in a proportion of 0.Type: GrantFiled: January 2, 1996Date of Patent: September 9, 1997Assignee: Kasei Optnix, Ltd.Inventors: Hiroshi Yamawaki, Masahiko Yoshino, Yasuo Oguri, Masayuki Yamane
-
Patent number: 5600202Abstract: A green-emitting phosphor of Tb-activated oxide, which is represented by the compositional formula:(Y.sub.l-x-y-z Tb.sub.x Yb.sub.yD.sub.z).sub.3 (Al.sub.l-w Ga.sub.w).sub.5 O.sub.12wherein D is at least one element selected from the group consisting of Sc and La, and x, y, z and w are numbers satisfying the following conditions:1.times.10.sup.-2 .ltoreq.x.ltoreq.2.times.10.sup.-11.times.10.sup.-6 .ltoreq.y.ltoreq.2.times.10.sup.-21.times.10.sup.-4 .ltoreq.z.ltoreq.5.times.10.sup.-10.ltoreq.w.ltoreq.1,and which contains from 1.times.10.sup.-5 to 1.times.10.sup.-2 gram atom of barium element per mol of the phosphor and is capable of emitting a color within the following range by CIE chromaticity coordinates:0.325.ltoreq.X.ltoreq.0.3600.540.ltoreq.Y.ltoreq.0.625.Type: GrantFiled: August 30, 1995Date of Patent: February 4, 1997Assignees: Kasei Optonix, Ltd., Hitachi Ltd.Inventors: Tsutomu Yamada, Yasuo Oguri, Takashi Hase, Yasuhiko Uehara, Hisashi Toyama
-
Patent number: 5369331Abstract: The present invention provides a pigment-attached blue-emitting phosphor having attached a blue pigment which has fastness and chemical stability and is excellent in reflection spectrum characteristics, and a color cathode-ray tube having a blue-emitting fluorescent layer containing the blue pigment formed on the inner surface of a face plate.The present invention also provides a pigment-attached blue-emitting phosphor having a CoO.ZnO.SiO.sub.2 type blue pigment attached thereto, and a color cathode-ray tube provided with a blue-emitting fluorescent layer containing the blue pigment particles on the inner surface of a face plate.Type: GrantFiled: February 3, 1993Date of Patent: November 29, 1994Assignee: Kasei Optonix, Ltd.Inventors: Tomohito Mizukami, Chihito Funayama, Yasuo Oguri
-
Patent number: 5217638Abstract: An electroviscous fluid comprising an electrical insulating liquid and fine particles dispersed therein, wherein the fine particles are spherical particles containing an electrolytic solution, obtained by hydrolysis and polycondensation of a metal alkoxide or its derivative.Type: GrantFiled: October 11, 1990Date of Patent: June 8, 1993Assignee: Mitsubishi Kasei CorporationInventors: Eiji Hattori, Yasuo Oguri
-
Patent number: 5192325Abstract: A ceramic implant comprising a sintered body of zirconia and a coating layer of a porous sintered body of a mixture comprising .alpha.-tricalcium phosphate and zirconia, or hydroxyapatite and zirconia formed on the surface of the sintered body of zirconia.Type: GrantFiled: June 24, 1992Date of Patent: March 9, 1993Assignee: Mitsubishi Kasei CorporationInventors: Naoto Kijima, Yasuo Oguri
-
Patent number: 5188992Abstract: A piezoelectric ceramic composition for actuators, composed of lead, lanthanum, zirconium, titanium, magnesium, zinc, niobium, manganese, chromium and oxygen atoms, which contains manganese in an amount of at most 1.5% by weight as calculated as Mn.sub.2 O and chromium in an amount of at most 0.5% by weight as calculated as Cr.sub.2 O.sub.3, relative to a main component composition of the formula (I):Pb.sub.(1-x) La.sub.x [(1-z)(Zr.sub.y Ti.sub.(1-y))+z{Mg.sub.q Zn.sub.(1-q)).sub.1/3 Nb.sub.2/3 }].sub.(1-x/4) O.sub.3 (I)wherein 0<x.ltoreq.0.07, 0.40.ltoreq.y.ltoreq.0.65, 0.ltoreq.q.ltoreq.1, and 0<z.ltoreq.0.40.Type: GrantFiled: September 19, 1991Date of Patent: February 23, 1993Assignee: Mitsubishi Kasei CorporationInventors: Tetsuhiko Nishimura, Takahiro Choda, Yukio Chida, Yasuo Oguri
-
Patent number: 5185177Abstract: A process for producing a ceramic implant which comprises creating a powder mixture comprising zirconia and .alpha.-tricalcium phosphate or zirconia and hydroxyapatite, in a weight ratio of 0.05 to 20 on the surface of a molded unsintered product of partially stabilized zirconia, followed by sintering at 1200.degree. to 1550.degree. C. The partially stabilized zirconia may have a BET specific surface area of from 5 to 10 m.sup.2 /g and have been subjected to wet pulverization to increase the BET specific surface area from 1.05 to 2.0 times relative to the starting material.Type: GrantFiled: October 15, 1990Date of Patent: February 9, 1993Assignee: Mitsubishi Kasei CorporationInventors: Naoto Kijima, Yasuo Oguri
-
Patent number: 5171484Abstract: The present invention relates to a piezoelectric ceramic composition for an actuator which is a ceramic composition comprising a main component represented by the formula: Pb.sub.(1-x) La.sub.x [Zr.sub.y Ti.sub.(1-y) ].sub.(1-x/4) O.sub.3 and, as a sub component, antinomy in an amount of more than 0.05% by weight and less than 3.0% by weight in terms of anitmony pentoxide relative to the main component. The piezoelectric ceramic composition of the present invention has a high electromechanical coupling factor, a high piezoelectric strain constant and a high Curie point, and is particularly excellent as a material for a piezoelectric actuator.Type: GrantFiled: January 9, 1992Date of Patent: December 15, 1992Assignee: Mitsubishi Kasei CorporationInventors: Tetsuhiko Nishimura, Yukio Chida, Yasuo Oguri
-
Patent number: 5116885Abstract: A resin composition having inorganic filler particles with an average particle size of from 0.05 to 150 .mu.m incorporated in an amount of from 20 to 85% by volume based on the entire resin composition, wherein:(a) said particles comprise at least two groups of particles differing in the average particle size,(b) particles constituting a group of particles with the smallest average particle size, are spherical particles with an average particle size smaller than 5 .mu.Type: GrantFiled: September 21, 1990Date of Patent: May 26, 1992Assignee: Mitsubishi Kasei CorporationInventors: Eiji Hattori, Yasuo Oguri
-
Patent number: 5064596Abstract: A process for preparing a slender or thin ceramic green body, which comprises discharging a raw material slurry comprising a ceramic powder raw material, a binder and a solvent from a discharge outlet in a slender or thin shape, and then contacting it with a solidifying liquid composed of a liquid in which the solvent is soluble and the ceramic powder raw material and the binder are insoluble or hardly soluble so that the solvent in the slurry is dissolved and removed to form the green body.Type: GrantFiled: August 28, 1990Date of Patent: November 12, 1991Assignee: Mitsubishi Kasei CorporationInventors: Yukio Chida, Tetsuhiko Mishimura, Yasuo Oguri
-
Patent number: 5034649Abstract: A piezoelectric actuator comprising a longitudinal effect-type laminated piezoelectric element composed of piezoelectric ceramic sheets laminated in their thickness direction, and a supporting member fixed to one side in the longitudinal direction of the element and being bending and capable of constraining expansion of the element.Type: GrantFiled: September 28, 1990Date of Patent: July 23, 1991Assignee: Mitsubishi Kasei CorporationInventors: Yukio Chida, Tetsuhiko Nishimura, Yasuo Oguri
-
Patent number: 5019367Abstract: A method for producing boehmite, which comprises subjecting aluminum hydroxide dispersed in water to treatment under heat and pressure in the presence of maleic acid and/or malic acid.Type: GrantFiled: March 9, 1990Date of Patent: May 28, 1991Assignees: Mitsubishi Kasei Corporation, Kasei Naoetsu Industries LimitedInventors: Yasuo Oguri, Takao Koga, Toshio Itoh
-
Patent number: 4994703Abstract: A piezoelectric element of laminate type comprising a plurality of films or thin sheets of piezoelectric material of the same size, each having an internal electrode formed on its entire surface, said films or sheets being laminated so that the end face of each internal electrode is exposed at the side of the laminate, wherein an insulating layer is formed by a photosensitive composition to electrically connect every second internal electrode.Type: GrantFiled: July 7, 1989Date of Patent: February 19, 1991Assignee: Mitsubishi Kasei CorporationInventors: Yasuo Oguri, Noriaki Takahashi, Yukio Chida
-
Patent number: 4983182Abstract: A ceramic implant comprising a sintered body of zirconia and a coating layer of a porous sintered body of a mixture comprising .alpha.-tricalcium phosphate and zirconia, or hydroxyapatite and zirconia formed on the surface of the sintered body of zirconia.Type: GrantFiled: February 8, 1989Date of Patent: January 8, 1991Assignee: Mitsubishi Kasei CorporationInventors: Naoto Kijima, Yasuo Oguri
-
Patent number: 4882078Abstract: A piezoelectric ceramic composition for actuators, which consists essentially of a composite of perovskite compounds represented by the formulaPb.sub.(1-x) La.sub.x [z{(Zn.sub..alpha. Mg.sub.(1-.alpha.))1/3Nb.sub.2/3 }+(1-z){Zr.sub.y Ti.sub.(1-y) }].sub.(1-x/4) O.sub.3wherein 0.03.ltoreq.x.ltoreq.0.07, 0.50.ltoreq.y.ltoreq.0.65, o<z<0.20, and 0<.alpha.<1.Type: GrantFiled: December 2, 1988Date of Patent: November 21, 1989Assignee: Mitsubishi Kasei CorporationInventors: Tetsuhiko Nishimura, Swapan K. Basu, Yukio Chida, Yasuo Oguri, Shoko Inoue
-
Patent number: 4865829Abstract: A method for preparing silica gel particles, which comprises suspending a mixed solution of a silicic acid ester and water in an organic liquid immiscible with the mixed solution, followed by gelation wherein said organic liquid contains an ethyl cellulose having an ethoxy group content of at least 47% by weight and being soluble in the organic liquid.Type: GrantFiled: September 9, 1988Date of Patent: September 12, 1989Assignee: Mitsubishi Kasei Corp.Inventors: Eiji Hattori, Toru Tagawa, Yasuo Oguri
-
Patent number: 4812698Abstract: A piezoelectric actuator comprising a longitudinal effect-type laminated piezoelectric element composed of piezoelectric ceramic sheets laminated in their thickness direction, and a supporting member fixed to one side in the longitudinal direction of the element and being bending and capable of constraining expansion of the element.Type: GrantFiled: September 29, 1987Date of Patent: March 14, 1989Assignee: Mitsubishi Chemical Industries LimitedInventors: Yukio Chida, Tetsunhiko Nishimura, Yasuo Oguri
-
Patent number: 4761388Abstract: An inorganic fiber composed essentially of fine crystals of an aluminum compound, which contains at least 10% by weight of aluminum nitride and the rest of the aluminum compound being alumina.Type: GrantFiled: September 3, 1986Date of Patent: August 2, 1988Assignee: Mitsubishi Chemical Industries LimitedInventors: Yasuo Oguri, Mitsuru Awata, Hozumi Endo