Patents Assigned to Konishiroku Photo Industry Co., Ltd.
  • Patent number: 4795887
    Abstract: An integrated circuit device having signal electrodes, a common electrode, an other circuit elements, a glazing layer, an extension extending over the glazing layer from the common electrode, an insulating layer formed between the extension and the signal electrodes, and a diffusion preventing layer formed close to the glazing layer between the glazing layer and another layer.
    Type: Grant
    Filed: April 21, 1988
    Date of Patent: January 3, 1989
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventor: Isao Myokan
  • Patent number: 4795613
    Abstract: A biochemical analyzer provided with a disk for engaging and conveying measuring elements and an analyzing method wherein information held by the measuring elements is detected and the engagement and conveyance of these elements can be controlled on the basis of the detected information. The biochemical analyzer is provided with engagement slots for the measuring elements.
    Type: Grant
    Filed: May 26, 1987
    Date of Patent: January 3, 1989
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Masashi Azuma, Tuneo Narushima, Takashi Ishihara
  • Patent number: 4795696
    Abstract: Disclosed is a light-sensitive silver halide photographic material, comprising a plural number of photographic constituent layers on a support, wherein at least one of the layers is a silver halide emulsion layer containing a magenta coupler represented by Formula (I) shown below, and at least one of the photographic constituent layers excluding at least the above silver halide emulsion layer contains at least one of the compounds represented by Formula (a) and Formula (b) shown below:Formula (I): ##STR1## Formula (a) ##STR2## Formula (b) ##STR3## The light-sensitive silver halide photographic material according to this invention have excellent color reproducibility, and is remarkably improved in both the fastness to light of magenta dye images and the resistance to the yellowing thereof to be generated by light (light stain).
    Type: Grant
    Filed: April 19, 1988
    Date of Patent: January 3, 1989
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Masao Sasaki, Kaoru Onodera
  • Patent number: 4794063
    Abstract: The present invention provides a photoreceptor for electrophotography use comprising a photosensitive layer having thereon layers comprising a group of a plurality of different color separation filters containing coloring agents and a preferably not less than 70% by weight transparent resin, the said group of a plurality of filters being in the form of a complex filter layer whose specific resistance is preferably not less than 10.sup.9 .OMEGA.cm and more preferably not less than 10.sup.13 .OMEGA.cm, and a method of the production of the photoreceptor in which the above complex filter is formed on the photosensitive layer by a printing process.
    Type: Grant
    Filed: October 20, 1986
    Date of Patent: December 27, 1988
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventor: Satoshi Haneda
  • Patent number: 4792496
    Abstract: There is disclosed a thermal transfer recording medium having a colorant layer containing a heat-fusible substance and a colorant formed on a support, the colorant comprising a copolymer obtained from an .alpha.-olefin and an acrylic acid derivative represented by the formula (I): ##STR1## wherein R.sup.1 represents a hydrogen atom or a methyl group and R.sup.2 represents a straight or branched alkyl group having 1 to 8 carbon atoms,or vinyl acetate, with the content of the above acrylic acid derivative and vinyl acetate as a monomer unit being 10% or more and of a copolymer having a melt flow index of 8 to 40 G/10 min. and a polyoxyethylene type compound.
    Type: Grant
    Filed: August 6, 1987
    Date of Patent: December 20, 1988
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Kunihiro Koshizuka, Shigehiro Kitamura, Takao Abe
  • Patent number: 4792512
    Abstract: A charging method of an electrostatic image developer which makes it possible to electrically charge an insulating one-component developer or a two-component developer consisting of a toner and a carrier to a desired charged state and which comprises introducing the developer into a charging space between a pair of sheet-like charging members opposing each other in which space an alternating field is formed, and oscillating the developer by means of the alternating field for charging it. A developing method of a non-contact or contact system which develops the electrostatic image by use of the developer charged electrically by the above-mentioned charging method.
    Type: Grant
    Filed: June 19, 1987
    Date of Patent: December 20, 1988
    Assignee: Konishiroku Photo Industry, Co., Ltd.
    Inventors: Satoshi Haneda, Takashi Itoh, Ken Nakamura, Makoto Tomono
  • Patent number: 4791013
    Abstract: The present invention provides a container for containing a photographic processing solution which comprises a housing member and a partion member, thereby the container is divided into two chambers of which the first chamber is prepared for containing the photogaphic processing solution and the second chamber is prepared for collecting the waste solution. One part of the housing member forming the first chamber comprises a oxygen shelter for restraining oxygen permiation therethrough into the first chamber below 20 ml/m.sup.2 /24 hrs. The second chamber has a solution-absorbing material therein for facilitating the collection of the waste solution.
    Type: Grant
    Filed: December 8, 1986
    Date of Patent: December 13, 1988
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Shigeharu Koboshi, Kazuhiro Kobayashi, Kazuyoshi Miyaoka, Syozo Aoki, Naoki Takabayashi
  • Patent number: 4791457
    Abstract: A reproducing apparatus having a manual paper feed function, wherein a passage for a manually inserted paper is formed below paper feed rollers, a leading end regulating member is disposed downstream of the passage for regulating the leading end of the manually inserted paper, and the regulating member is energized by an energizing member associated with the operation of the paper feed rollers before the paper feed. The paper feed rollers are formed into a semicircular shape and the energizing member is a semicircular cam fixed on the shaft of the paper feed rollers and inverted from the paper feed rollers.
    Type: Grant
    Filed: March 4, 1987
    Date of Patent: December 13, 1988
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventor: Toshio Shida
  • Patent number: 4791052
    Abstract: A silver halide photographic light-sensitive material containing a 1H-pyrazolo[3,2-c]-s-triazole type magenta coupler is disclosed. The magenta coupler has an --SO.sub.2 -- group and at least one group selected from the group consisting of a --COOM group and a --SO.sub.3 M group, M being a hydrogen atom or a cation, in its molecule. The photographic material is improved in color development performance and preservability of magenta images.
    Type: Grant
    Filed: March 27, 1987
    Date of Patent: December 13, 1988
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Shuji Kida, Noritaka Nakayama, Katsunori Katoh, Takako Tanaka, Satoshi Nakagawa, Kosaku Masuda
  • Patent number: 4791453
    Abstract: A recording apparatus includes: a main switch for turning on/off a power source; a sub switch for turning on/off the power source by an open/close operation of an open/close portion of the apparatus; a memory for storing recording conditions which are set when the power source is turned off; and circuitry which sets a recording condition for initializing the recording conditions to predetermined values when the power switch is turned on after being turned off by the main switch, and for reading out and resetting the recording conditions stored in the memory when the power source is turned on after being turned off by the sub switch, thereby recording by an electrophotographic process in accordance with the recording conditions set by the circuitry for setting the recording condition.
    Type: Grant
    Filed: March 9, 1987
    Date of Patent: December 13, 1988
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Yasufumi Koseki, Seiichi Suzuki, Utami Soma, Harufumi Yamashita
  • Patent number: 4790959
    Abstract: A dispersion of oil globules which contains an ultra-violet absorber and a high-boiling solvent is disclosed. The UV absorber is a mixture of 15 to 45 wt % of a compound of formula (I) and 85 to 55 wt % of a compound of formula (II): ##STR1## (wherein R.sub.1 and R.sub.2 each represents an alkyl group having 1 to 4 carbon atoms; X is a hydrogen atom, a halogen atom, a methyl group, an ethyl group, a methoxy group, an ethoxy group or an aryl group); ##STR2## (wherein R.sub.3 and R.sub.4 each represents an alkyl group, provided that the total number of carbon atoms in the alkyl groups represented by R.sub.3 and R.sub.4 is 9 or more; Y is a hydrogen atom, a halogen atom, a methyl group, an ethyl group, a methoxy group, an ethoxy group or an aryl group).
    Type: Grant
    Filed: January 12, 1987
    Date of Patent: December 13, 1988
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Masao Sasaki, Kaoru Onodera, Hideki Inahata
  • Patent number: 4789583
    Abstract: A magnetic recording medium having a magnetic layer on one side of a support and a backcoat on the other side containing a non-magnetic powder and a binder resin is disclosed. The non-magnetic powder comprises particles having an average size greater than 0.5 .mu.m and smaller than 2.0 .mu.m and a maximum size of not more than 5 .mu.m.
    Type: Grant
    Filed: July 8, 1987
    Date of Patent: December 6, 1988
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventor: Shigeru Akutsu
  • Patent number: 4789612
    Abstract: A method for forming a color image comprising the following steps is disclosed,(a) uniformly applying a primary charge to a photoreceptor comprised thereon of a conductive substrate, a photoconductive layer and an electrically insulating layer, wherein one of said layers is provided with plural kinds of color separating means being finely divided into units,(b) exposing said photoreceptor to light given from a color original and simultaneously applying secondary charge,(c) uniformly exposing said photoreceptor to a color light capable of passing through at least one kind of said color separating means to form an electrically charged image pattern,(d) developing said electrically charged pattern with a developer comprising a color toner by a developing means to form a toner pattern,(e) repeating said steps (c) and (d) at least once more,(f) transferring said toner pattern onto an image pattern receiving material, provided that the color light and the color toner each different from these in the every previous
    Type: Grant
    Filed: February 24, 1987
    Date of Patent: December 6, 1988
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Satoshi Haneda, Kunihisa Yoshino
  • Patent number: 4789591
    Abstract: A magnetic recording medium comprising a support and a magnetic layer on said support. Said magnetic layer is a unitary magnetic layer comprising iron oxide powder having cobalt adsorbed on the surface thereof. The average grain size of said powder is not more than 0.5.mu., the ratio of the major axis to the minor axis (acicular ratio) of said powder is from 1.3 to 4.5 and the coercive force of said powder is from 500 to 800 Oe.
    Type: Grant
    Filed: March 10, 1987
    Date of Patent: December 6, 1988
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Issei Nakamura, Kenji Itozawa
  • Patent number: 4788284
    Abstract: A diphenylimidazole type cyan dye represented by the following Formula [I] or [II] is disclosed. The dye is capable of displaying relatively more preferable absorption characteristics so as to serve as a cyan dye, and suitable to be use in photographic, thermal transfer, ink-jet, printing or other printing media.
    Type: Grant
    Filed: August 10, 1987
    Date of Patent: November 29, 1988
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Toyoaki Masukawa, Yasuo Tsuda, Hidetaka Ninomiya, Noritaka Nakayama
  • Patent number: 4788571
    Abstract: A paper feeding device wherein a backing plate for carrying thereon papers is moved up and down by a lifting device, a rotating device rotates a rear regulating member mounted on the backing plate with respect to the backing plate while the crest of the rear regulating member makes contact with a cover of a paper container when the backing plate is lifted by the lifting device.
    Type: Grant
    Filed: February 6, 1987
    Date of Patent: November 29, 1988
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Hiroaki Ura, Takao Shiozawa
  • Patent number: 4786939
    Abstract: An image forming apparatus wherein an image exposure device and a whole surface exposure device are arranged to face the photosensitive member having a surface insulating layer and a color separating function in its face, and one of the image exposure device and the whole surface exposure device is operative to expose the photosensitive member to light which does contain a visible light.
    Type: Grant
    Filed: August 18, 1986
    Date of Patent: November 22, 1988
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventor: Satoshi Haneda
  • Patent number: 4785183
    Abstract: A radiation image information reading method includes scanning a stimulating ray on a radiation image converting panel surface to obtain radiation image information stored on the radiation image converting panel, the scanning step including performing scanning of the stimulating ray while repeating successively irradiation and stopping thereof. In this manner, the noise caused by fluorescent afterflow, stimulation afterglow, stray light from outside of the apparatus or a laser beam, etc., can be removed simply and correctly. A visible image which is correct with good reproducibility corresponding to the real image, and also good in sharpness, can be obtained, whereby diagnosis with high reliability by means of a radiation image is rendered possible. In one embodiment, only image signals detected during periods of irradiation by the stimulating ray are read.
    Type: Grant
    Filed: September 15, 1986
    Date of Patent: November 15, 1988
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Hisanori Tsuchino, Akiko Kano, Kuniaki Nakano, Koji Amitani, Fumio Shimada
  • Patent number: 4784938
    Abstract: 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: Grant
    Filed: October 17, 1986
    Date of Patent: November 15, 1988
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Keiji Obhayashi, Shinichi Nakamura, Shigeo Tanaka, Mitsuhiro Okumura, Masanobu Miyoshi, Makoto Kajiwara, Kaoru Onodera, Eiichi Sakamoto
  • Patent number: 4783678
    Abstract: A recording apparatus wherein a bottom of a body of the apparatus having conveyor device for conveying recording paper is freely opened and closed to open the conveyor device when the body is lifted up. A body frame composed of a front panel, a rear panel and a bottom plate of the recording apparatus is molded by a resin as a unit.
    Type: Grant
    Filed: July 24, 1986
    Date of Patent: November 8, 1988
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Hiroyuki Honda, Takashi Tamura, Takayoshi Hashimoto