Patents by Inventor Shigeo Tanaka
Shigeo Tanaka 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: 5161031Abstract: A video tape recorder including a divider for sampling video data input into the video tape recorder and dividing the video data into N sub-picture data elements, where N is an integer equal to or larger than 2, a recorder head for recording the N sub-picture data elements on a recording medium, a data reproducing circuit for reproducing the first through M-th of the recorded sub-picture data elements, where M is an integer such that 1.ltoreq.M<N, a circuit for distributing the first through M-th sub-picture elements reproduced by the reproducing circuit, and a device for displaying the data elements distributed by the distributing circuit.Type: GrantFiled: March 21, 1990Date of Patent: November 3, 1992Assignee: Kabushiki Kaisha ToshibaInventors: Junko Kimura, Shigeo Tanaka
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Patent number: 5081006Abstract: A silver halide photographic light-sensitive material comprising a support having thereon a yellow coupler-containing silver halide emulsion layer, a magenta coupler-containing silver halide emulsion layer and a cyan coupler-containing silver halide emulsion layer, wherein at least one of said silver halide emulsion layers contains silver halide grains having a silver chloride content of not less than 80 mol %, at least one of the sensitizing dyes represented by the following Formula [I] and at least one of the sensitizing dyes represented by the following Formula [II]; and said cyan coupler-containing silver halide emulsion layer contains at least one of the cyan couplers represented by the following Formula [III]: ##STR1##Type: GrantFiled: September 5, 1990Date of Patent: January 14, 1992Assignee: Konica CorporationInventors: Shigeo Tanaka, Masahiro Shibuya
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Patent number: 5053498Abstract: A therapeutic and prophylactic agent for peptic ulcers which contains as an active ingredient a compound of the general formula (I): ##STR1## wherein R.sub.1 represents hydrogen or .dbd.O; R.sub.2 represents hydrogen or --OR.sub.5 ; R.sub.3 represents hydrogen or --OR.sub.5 ; R.sub.4 represents --OR.sub.7 in the case of the absence of double bond; R.sub.5, R.sub.6 and R.sub.7 each represents hydrogen or an organic residue;X represents group (A);.dbd.C.dbd.CH--COR.sub.8 (A)or group (B): ##STR2## wherein R.sub.8 represents alkyl, and R.sub.9 and R.sub.10 each represents hydrogen or an organic residue; with the proviso that when X represents group (A), then R.sub.1 and R.sub.3 both represent hydrogen, R.sub.2 represents --OR.sub.5, R.sub.4 represents OR.sub.7 and the bond between the carbon atom to which X is attached and the carbon atom to which R.sub.4 is attached is a single bond, and when X represents group (B), then R.sub.1 represents .dbd.O, R.sub.2 represents hydrogen, R.sub.3 represents --OR.sub.Type: GrantFiled: October 16, 1989Date of Patent: October 1, 1991Assignee: Green Cross CorporationInventors: Yusei Shiraga, Chikara Fukaya, Toshiaki Akira, Masakazu Iwai, Kazumasa Yokoyama, Mamoru Tabata, Hiroshi Fukui, Shigeo Tanaka, Yoshiro Iga, Tadakazu Suyama, Kanemichi Okano
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Patent number: 4980076Abstract: Problems with previously known aqueous acidic rinsing solutions for aluminum after shaping while using surface lubricants are avoided by use of a solution which contains water and (A) orthophosphoric acid in an amount to give a stoichiometric equivalent of 3.0 to 50 g/L as PO.sub.4.sup.-3, (B) an aluminum ion sequestrant component in an amount of 0.01 to 10.0 g/L; and (C) 20 to 170 ppm of ferric ion. The ferric ions act to inhibit corrosion of the stainless steel process equipment. Preferably the solution also contains 0.1 to 1.0 g/L of H.sub.2 O.sub.2, NO.sub.2.sup.-1 ions, or a mixture thereof to reoxidize ferrous ions formed by reduction of ferric ions during use of the solution and thus maintain the concentration of ferric ions above 20 ppm at all times. The solution may also contain surfactant and up to 10 g/L of dissolved aluminum ions.Type: GrantFiled: September 6, 1989Date of Patent: December 25, 1990Assignee: Nihon Parkerizing Co., Ltd.Inventors: Shigeo Tanaka, Tomoyuki Aoki, Yasuo Iino, Yoji Ono
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Patent number: 4927472Abstract: A conversion coating, predominantly consisting of tin phosphate, can be deposited on steel or tin plated steel surfaces by contact with a solution containing phosphate ions, tin ions, an oxidizing agent such as chlorate, and a chelating agent for the tin ions, the latter to prevent the rapid loss of tin from the solution that otherwise would occur. A coating that confers excellent resistance to corrosion in hot water is formed on drawn and ironed thinly tin plated cans.Type: GrantFiled: October 13, 1988Date of Patent: May 22, 1990Assignee: Nihon Parkerizing Co., Ltd.Inventors: Yasunobu Matsushima, Shigeo Tanaka, Tomoyuki Aoki, Yohji Ono
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Patent number: 4914016Abstract: A silver halide photographic light-sensitive material containing inorganic sulfur or elemental sulfur, and a processing method comprising a step for developing such photographic material with a color developer which contains an aromatic primary amine compound for not more than 60 seconds. Photographic image improved in contrast of the without degradation in sensitivity and fogging can be obtained by the photographic material and the processing method.Type: GrantFiled: May 27, 1988Date of Patent: April 3, 1990Assignee: Konica CorporationInventors: Masanobu Miyoshi, Makoto Kajiwara, Shigeo Tanaka, Mitsuhiro Okumura
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Patent number: 4888417Abstract: A therapeutic and prophylactic agent for peptic ulcers which contains as an active ingredient a compound of the general formula (I): ##STR1## wherein R.sub.1 represents hydrogen or =O; R.sub.2 represents hydrogen or --OR.sub.5 ; R.sub.3 represents hydrogen or --OR.sub.6 ; R.sub.4 represents --OR.sub.7 in the case of the absence of double bond; R.sub.5, R.sub.6 and R.sub.7 each represents hydrogen or an organic residue;X represents group (A):.dbd.C.dbd.CH--COR.sub.8 (A)or group (B): ##STR2## wherein R.sub.8 represents alkyl, and R.sub.9 and R.sub.10 each represents hydrogen or an organic residue; with the proviso that when X represents group (A), then R.sub.1 and R.sub.3 both represent hydrogen, R.sub.2 represents --OR.sub.5 ; R.sub.4 represents OR.sub.7 and the bond between the carbon atoms to which X is attached and the carbon atom to which R.sub.4 is attached is a single bond, and when X represents group (B), then R.sub.1 represents .dbd.O, R.sub.2 represents hydrogen, R.sub.3 represents --OR.sub.Type: GrantFiled: May 27, 1986Date of Patent: December 19, 1989Assignee: Green Cross CorporationInventors: Yusei Shiraga, Chikara Fukaya, Toshiaki Akira, Masakazu Iwai, Kazumasa Yokoyama, Mamoru Tabata, Hiroshi Fukui, Shigeo Tanaka, Yoshiro Iga, Tadakazu Suyama, Kanemichi Okano
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Patent number: 4883842Abstract: There is disclosed resin composition comprising 1 to 99% by weight of a polymer A and 1 to 99% by weight of a polymer B, the polymer A and B having refractive indexes which permit satisfaction of the relation:a.ltoreq.0.015 and b-a.gtoreq.0.005wherein a and b are the minimum and the maximum, respectively, of absolute value of the difference between the refractive indexes of the polymers A and B in the temperature range of 20.degree. to 100.degree. C.; said composition being useful as a functional resin for buildings, etc.Type: GrantFiled: March 28, 1988Date of Patent: November 28, 1989Assignee: Sumitomo Chemical Company, LimitedInventors: Shigeo Tanaka, Jiro Sakai, Tomohisa Fukao, Kizuku Wakatsuki, Kazuki Wakamatsu
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Patent number: 4863846Abstract: A silver halide photographic light-sensitive material is disclosed which is decreased in variation of light-sensitivity caused by a change in environmental humidity and a prolonged storage of the photographic material.Type: GrantFiled: June 21, 1988Date of Patent: September 5, 1989Assignee: Konica CorporationInventors: Shigeo Tanaka, Mitsuhiro Okumura, Makoto Kajiwara, Masanobu Miyoshi
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Patent number: 4863844Abstract: A silver halide light-sensitive photographic material which is excellent in the aptitude for rapid processing and highly sensitive and of which the sensitivity and gradation are stable against the change of the temperature at the time of exposure is disclosed. The silver-halide photographic material comprises a support and, provided thereon, a silver halide emulsion layer, wherein said silver halide emulsion layer contains silver chloro-halide grains containing not less than 90 mole % of silver chloride and having been chemically sensitized in the presence of a labile sulfur compound and a gold compound, and an organic compound of which solubility product (Ksp) with a silver ion is not more than 1.times.10.sup.11.0, said organic compound having been added to said silver halide emulsion layer during the period between after the formation of said silver halide grains and before the completion of the chemical sensitization thereof.Type: GrantFiled: November 17, 1987Date of Patent: September 5, 1989Assignee: Konica CorporationInventors: Mitsuhiro Okumura, Keiji Ohbayashi, Shigeo Tanaka
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Patent number: 4848214Abstract: A supply and return air plenum unit for duct air-conditioning systems includes a return air inlet and a supply air outlet defined in a case in vertical juxtaposition, the supply air outlet having an opening located at a front lower corner of the case. A blow-off grill is disposed in the opening of the supply air outlet and is angularly moved by an actuator for varying the direction of supply air within a range between the horizontal and the vertical.Type: GrantFiled: May 10, 1988Date of Patent: July 18, 1989Assignee: Diesel Kiki Co., Ltd.Inventors: Teruyuki Nagao, Shigeo Tanaka
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Patent number: 4830958Abstract: A photographic material having an excellent rapid processability, a high sensitivity and a less sensitivity variation due to a change of standing of the silver halide emulsion in the course of preparation of the light-sensitive material, and its preparation process are disclosed. The silver halide photographic light-sensitive material comprises a support bearing at least one silver halide emulsion layer thereon, and at least one silver halide emulsion layer contains highly chloride-containing silver halide grains having a silver chloride content of not less than 90 mol %, a water-soluble bromide of from 0.05 mol % to 2 mol % per mol of silver halide and a high boiling organic solvent having a dielectric constant of not higher than 6.0.Type: GrantFiled: January 25, 1988Date of Patent: May 16, 1989Assignee: Konica CorporationInventors: Mitsuhiro Okumura, Keiji Ohbayashi, Shigeo Tanaka
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Patent number: 4818671Abstract: A silver halide color photographic material improved in sensitivity, gradiation and maximum density when the material is treated with a rapid processing. The silver halide color photographic material comprises a support and photograhic component layers including at least one silver halide emulsion layer comprising (a) silver halide grains comprising not less than 80 mol % of silver chloride, (b) a gold compound in an amount of from 5.times.10.sup.-7 to 5.times.10.sup.-3 mol per mol of silver halide contained in said silver halide emulsion layer, (c) a sulfur sensitizer and (d) a spectral sensitizing dye represented by the following general formula [I]: ##STR1## wherein X.sub.1, X.sub.2, X.sub.3 and X.sub.4 are a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an aryl group or a hydroxy group, respectively; R.sub.1 and R.sub.2 are an alkyl group, respective;y X.sup..crclbar. is a counter anion and n is 0 or 1.Type: GrantFiled: July 29, 1987Date of Patent: April 4, 1989Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Keiji Ohbayashi, Mitsuhiro Okumura, Takaaki Kojima, Shigeo Tanaka
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Patent number: 4815362Abstract: A diffuser unit for air conditioning systems includes an air supply duct having an air inlet and two air outlets, two dampers for adjusting the open area of the respective air outlets, and a linkage mechanism interconnecting the dampers and a drive unit. The dampers include arcuate end portions for contacting an inner wall of the duct and for preventing the generation of wind noise from air being supplied through the duck. The linkage mechanism is so constructed as to displace a selected one of the dampers while holding the other damper in its closed position.Type: GrantFiled: November 27, 1987Date of Patent: March 28, 1989Assignee: Diesel Kiki Co., Ltd.Inventors: Yutaka Ishizuka, Masanori Kaizaki, Shigeo Tanaka
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Patent number: 4794106Abstract: An oil-in-water type cream comprising(a) 0.01 to 0.5% by weight of hydrocortisone butyrate proponate,(b) 5 to 50% by weight of a higher paraffinic hydrocarbon,(c) 3 to 15% by weight of a surface-active agent,(d) 30 to 65% by weight of purified water,(e) not more than 20% by weight of a monohydric higher alcohol,(f) not more than 20% by weight of a dihdyric or trihydric alcohol, and(g) a pharmaceutically acceptable acid in an amount required to adjust the pH of the cream to a value in the range of 3.5 to 6.5 when it is diluted with water to 20 times its volume.Type: GrantFiled: August 28, 1986Date of Patent: December 27, 1988Assignee: Taisho Pharmaceutical Co., Ltd.Inventors: Yasuji Takashima, Shigeo Tanaka, Kenji Tsunoda, Ichirou Kawamata, Hiroshi Murayama
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Patent number: 4794107Abstract: An oily ointment comprising(a) 0.01 to 0.5% by weight of hydrocortisone butyrate propionate,(b) 2 to 10% by weight of a mixture of propylene glycol and purified water in a weight ratio of from 1:5 to 20:1,(c) 0.1 to 6% by weight of a surface-active agent, and(d) 75 to 97% by weight of a higher paraffinic hydrocarbon.Type: GrantFiled: September 12, 1986Date of Patent: December 27, 1988Assignee: Taisho Pharmaceutical Co., Ltd.Inventors: Yasuji Takashima, Shigeo Tanaka, Ichirou Kawamata, Hiroshi Murayama
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Patent number: 4784938Abstract: A silver halide photographic light-sensitive material which is improved on fog without decreasing photosensitivity. The photographic material comprises a support and a photographic structural layer provided thereon containing at least one silver halide emulsion layer and at least one non-light-sensitive layer. A nitrogen-containing heterocyclic mercapto compound is contained at least two layers of the photographic structure layer, and at least one of these mercapto compound-containing layer is a non-light-sensitive layer.Type: GrantFiled: October 17, 1986Date of Patent: November 15, 1988Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Keiji Obhayashi, Shinichi Nakamura, Shigeo Tanaka, Mitsuhiro Okumura, Masanobu Miyoshi, Makoto Kajiwara, Kaoru Onodera, Eiichi Sakamoto
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Patent number: 4743978Abstract: In the video tape recorder capable of providing a recording and reproduction with high picture quality, first and second heads of a first azimuth angle and for recording and reproducing the luminance signal is disposed on the rotary head cylinder. Third and fourth heads of a second azimuth angle different from the first azimuth angle, and for recording and reproducing the color signal is disposed adjacent to the first and second heads on the rotatry head cylinder, respectively. The second and fourth heads are disposed at a position separate, by a distance corresponding to the period of integer times one horizontal scanning period of the recorded video signal, from the position on the rotary head cylinder rotated 180.degree. from that of the first and third heads, respectively. A fifth head with the second azimuth angle is disposed at a positon rotated 180.degree. from that of the first head. High image quality recording and reproduction can be performed by using the first to fourth heads.Type: GrantFiled: December 9, 1986Date of Patent: May 10, 1988Assignee: Kabushiki Kaisha ToshibaInventor: Shigeo Tanaka
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Patent number: 4564591Abstract: Silver halide color photographic material comprising a support and at least one emulsion layer thereon, the emulsion layer containing silver halide grains comprising core particles of high chloride content and a silver halide coating layer on the core particle. The coating layer is primarily silver bromide and the combined silver halide content of the core particles and the coating thereon is 90 to 99.5 mol % silver chloride and 0.5 to 10 mol % silver bromide.Type: GrantFiled: March 21, 1985Date of Patent: January 14, 1986Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Shigeo Tanaka, Kaoru Onodera
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Patent number: 4517284Abstract: A light-sensitive silver halide photographic material having at least one silver halide emulsion layer on a support, characterized in that the said silver halide comprises silver halide grains containing at least 80 molar % of silver chloride and at least one of merocyanine dyes having the formula ##STR1## wherein R.sub.1 and R.sub.2 individually represent an alkyl group, an alkenyl group or an aryl group provided that at least one of R.sub.1 and R.sub.2 is an alkyl or aryl group having a sulfo group; R.sub.3, R.sub.4, R.sub.5 and R.sub.6 individually represent a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group or a phenyl group and any one pair of R.sub.3 and R.sub.4, R.sub.5 and R.sub.6, R.sub.1 and R.sub.6 or R.sub.4 and R.sub.5 may joint each other to form a ring; X is an oxygen atom, a sulfur atom or a selenium atom; and Y is an oxygen atom, a sulfur atom or a selenium atom provided that at least one of X and Y represents a selenium atom.Type: GrantFiled: November 18, 1982Date of Patent: May 14, 1985Assignee: Konishiroku Photo Ind. Co., Ltd.Inventors: Nobuaki Kagawa, Noboru Fujimori, Shigeo Tanaka, Kaoru Onodera