Patents Represented by Attorney Jordan B. Bierman and Muserlian Bierman
  • Patent number: 5516269
    Abstract: A zirconia vane used in a rotary compressor, the zirconia vane being formed of a partially stabilized zirconia sintered body containing 92 through 98 molar percent of ZrO.sub.2 and being stabilized with Y.sub.2 O.sub.3, zirconia crystals constituting the zirconia sintered body having a mean grain diameter of 0.1 to 0.6 .mu.m and a maximum grain diameter of not greater than 2 .mu.m, the zirconia sintered body having a mean three-point flexural strength of not less than 120 kg/mm.sup.2 measured in conformity with JIS R1601, a surface of the zirconia sintered body in contact with a rotor of the rotary compressor having a first surface roughness in a direction of rotations of the rotor, specified by a ten-point mean roughness Rz, of not greater than 1 .mu.m and a second surface roughness in a direction perpendicular to the direction of rotation of the rotor, specified by the ten-point mean roughness Rz, of not greater than 0.6 .mu.m.
    Type: Grant
    Filed: March 28, 1995
    Date of Patent: May 14, 1996
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Takao Nishioka, Akira Yamakawa, Matsuo Higuchi, Harutoshi Ukegawa
  • Patent number: 5516627
    Abstract: A method for processing a silver halide photographic material. The method comprises the steps of (1) developing, fixing and washing a photographic light-sensitive material which comprises a support and a photographic layer including a silver halide emulsion layer being provided on the support in which the outermost surface of the photographic layer has a matting degree of 0 to 150 mmHg and the silver halide emulsion layer contains colloidal silica particles, (2) drying the silver halide photographic light-sensitive material by contacting with a heat conductive member having a surface temperature of 90.degree. C. to 150.degree. C. which installed in a drying zone of the automatic processing machine. In the above method, the photographic light-sensitive material has a moisture content of 3 g/m.sup.2 to 6.5 g/m.sup.
    Type: Grant
    Filed: February 23, 1995
    Date of Patent: May 14, 1996
    Assignee: Konica Corporation
    Inventor: Toshiyuki Marui
  • Patent number: 5514966
    Abstract: An inspection method and an inspection apparatus can readily and reliably test a temporarily bundled circuit in which each end of the wires 22A, 22B, 22C, 22D, and 22E is free. A temporary bunling connector 18 is coupled to an inspection connector 19. Each of the wires 22A, 22B, 22C, 22D, and 22E is drawn so that each of the terminals 21 passes between electrodes 11 in a gate electrode unit 5. Each of the indicator lamp 16 on a circuit checker 15 is respectively lit when each of the terminals 21 contacts with each of the electrodes 11 upon passing through the unit 5. The indicator lamp 16 is not lit if there is any fault such as misplacement or breakage of a wire, as there is no electrical communication between the terminal 21 and the electrode 11 in such a case.
    Type: Grant
    Filed: March 24, 1993
    Date of Patent: May 7, 1996
    Assignee: Sumitomo Wiring Systems, Ltd.
    Inventors: Tadashi Kawamura, Norio Ohta
  • Patent number: 5512363
    Abstract: Disclosed is a magnetic recording medium comprising a non-magnetic support having thereon a plurality of layers, wherein an outermost layer is a magnetic layer having a thickness of less than 0.5 .mu.m, and layers other than the outermost layer contain two or more kinds of non-magnetic powder having different average particle sizes.The magnetic recording medium has high durability in running under high temperature and high humidity.
    Type: Grant
    Filed: March 14, 1995
    Date of Patent: April 30, 1996
    Assignee: Konica Corporation
    Inventors: Narito Goto, Noboru Koyama, Hisato Kato
  • Patent number: 5512931
    Abstract: A process for image forming by heat transfer method is disclosed. The process comprises the steps of (1) transferring an ink image from an ink layer of an ink sheet, which comprises a support and an ink layer provided on the support, to a surface of an intermediate image receiving layer of an intermediate image receiving sheet, which comprises a support and an image receiving layer provided on the support, by imagewise heating the ink layer, and (2) re-transferring the ink image transferred on the intermediate image receiving layer to a secondary image receiving sheet,In the above process, the ink layer comprises a coloring material and a homopolymer or a copolymer comprising a repeating unit derived from a monomer represented by the following Formula 1 or a phthalic polyester formed by polymerization of phthalic acid and a polyol; ##STR1## wherein R.sub.1 is a hydrogen atom or an alkyl group having 1 to 12 carbon atoms; R.sub.2, R.sub.3 and R.sub.
    Type: Grant
    Filed: June 1, 1993
    Date of Patent: April 30, 1996
    Assignee: Konica Corporation
    Inventors: Atsushi Nakajima, Shinji Matsumoto, Katsumi Maejima, Koichi Nakatani, Sota Kawakami, Ai Katsuda
  • Patent number: 5510168
    Abstract: A magnetic recording medium comprises a support and provided thereon, a magnetic recording component layer which comprises an uppermost layer containing a ferromagnetic metal powder and a binder, a thickness of said magnetic recording component layer being from 0.2 to 3.0 .mu.m, a thickness of the support being from 3.5 to 10.5 .mu.m, an average center line roughness of the surface of the support on said magnetic recording component layer side being not more than 10 nm, and an average center line roughness of the surface of said uppermost magnetic layer being not more than 4 nm, wherein E.sub.T (in terms of kg/mm.sup.2), Young's modulus in the transverse direction of the support and t.sub.s (in terms of mm), a thickness of the support satisfy the following inequality:E.sub.T .gtoreq.0.03/t.sub.s.sup.
    Type: Grant
    Filed: November 12, 1993
    Date of Patent: April 23, 1996
    Assignee: Konica Corporation
    Inventors: Takahiro Mori, Takashi Horiyama
  • Patent number: 5510231
    Abstract: A method for processing a silver halide photographic light-sensitive material is disclosed which comprises the steps of:exposing the light-sensitive material;developing the exposed material with a developer; andreplenishing the developer with a repleniser developer in amount of 200 ml or less per m.sup.2 of the material, said developer and replenisher developer are prepared by dissolving in water a solid photographic developing composition comprising a developing agent and a compound selected from the group consisting of compounds represented by the following ##STR1## wherein R.sub.1 and R.sub.2 independently represent a hydrogen atom, an alkyl group, an aryl group, an aralkyl group, a hydroxy group, a mercapto group, a carboxyl group, a sulfo group, a phosphono group, an amino group, a nitro group, a cyano group, a halogen atom, an alkoxy group, an alkoxycarbonyl group, an aryloxycarbonyl group, a carbamoyl group, a sulfamoyl group or a heterocyclic group, provided that R.sub.1 and R.sub.
    Type: Grant
    Filed: April 22, 1994
    Date of Patent: April 23, 1996
    Assignee: Konica Corporation
    Inventors: Hideki Komatsu, Shoji Nishio
  • Patent number: 5509828
    Abstract: A retainer 16 is temporarily coupled to an inlet port of a connector chamber 7 in a housing 5 so that the retainer cannot come out of the chamber 7. A terminal metal fixture (metal terminal) 1 is inserted into the housing 5 through an opening formed in a rear wall of the housing in an axial direction of a bulb holding chamber 6. Then, the retainer 16 which is temporarily coupled to the chamber 7 is pushed into the connector chamber which receiving coupling pieces 3 of the fixtures 1 in holding apertures 17 in the retainer 17. When the retainer 16 reaches an inner section in the chamber 7, a lock projection 18 on the retainer engages with a lock face 14 in a longitudinal slot 12 formed in the rear wall of the housing 5, thereby bringing the retainer into a regular coupling position. Proximal ends of the coupling pieces 3, which is arranged perpendicularly to an inserting direction of the fixtures 1, are fitted in the holding apertures 17 in the retainer 16 which is secured in the housing 5.
    Type: Grant
    Filed: November 23, 1994
    Date of Patent: April 23, 1996
    Assignee: Sumitomo Wiring Systems, Ltd.
    Inventors: Junji Muta, Yoshiaki Furuta
  • Patent number: 5508153
    Abstract: A method for processing an imagewise exposed black-and-white negative silver halide photographic light-sensitive material comprising a support having provided thereon photographic layers including at least one silver halide emulsion layer, one of said photographic layers containing a hydrazine derivative, said method comprising;developing said light-sensitive material with a developer comprising a black and white developing agent and a compound represented by Formula VI, said developer having a pH of less than 11.5; ##STR1## wherein R.sub.1, R.sub.2, and R.sub.3 are each independently hydrogen, --SM.sub.1, hydroxyl, alkoxyl having 1 to 5 carbon atoms, --COOM.sub.2, amino, alkyl having 1 to 5 carbon atoms, provided that at least one of R.sub.1, R.sub.2, and R.sub.3 is --SM.sub.1, and M.sub.1 and M.sub.2 are each independently hydrogen, alkali metal, or ammonium.
    Type: Grant
    Filed: January 27, 1995
    Date of Patent: April 16, 1996
    Assignee: Konica Corporation
    Inventors: Wataru Ishikawa, Takeshi Sanpei, Mariko Kato
  • Patent number: 5508158
    Abstract: A silver halide photographic light sensitive material comprising a support having thereon a silver halide emulsion layer containing silver halide grains, wherein the silver halide emulsion contains silver halide tabular grains having an aspect ratio of a diameter to a thickness of less than 8 and accounting for at least 70% of the total grain projection area of the emulsion; the tabular grains having a ratio (t/l) of the thickness (t) to the longest distance (l) between two or more parallel twin planes of the tabular grain of not less than 5; total surface of the tabular grain consisting of two parallel principal plane faces and side-faces, and all of the parallel principal plane faces and 90% or less of side-faces are a (111) face.
    Type: Grant
    Filed: March 7, 1994
    Date of Patent: April 16, 1996
    Assignee: Konica Corporation
    Inventors: Kiyotoshi Yamashita, Shu Nishiwaki, Yasuo Honda
  • Patent number: 5508149
    Abstract: A silver halide color photographic light-sensitive material for use in preparing a color proof image from a halftone image information is provided, comprising a support having thereon blue-sensitive, green-sensitive and red-sensitive silver halide emulsion layers, in which at least one of the silver halide emulsion layers comprises silver halide grains having a silver chloride content of not less than 80 mol % and of which the reflection densities, when unprocessed, at wavelengths of 450, 550 and 700 nm each are not less than 0.8.
    Type: Grant
    Filed: December 15, 1994
    Date of Patent: April 16, 1996
    Assignee: Konica Corporation
    Inventors: Satoshi Masumi, Shun Takada
  • Patent number: 5508159
    Abstract: A silver halide photographic light-sensitive material is disclosed, which comprises a support and provided thereon, a silver halide emulsion layer containing a crown ether having a 18-membered ring condensed with at least one aromatic ring and silver halide grains having a (100) face and satisfying the following inequality:15.ltoreq.Kwherein K is defined to be (intensity of a diffraction line attributed to a (200) face)/(intensity of a diffraction line attributed to a (222) face).
    Type: Grant
    Filed: January 17, 1995
    Date of Patent: April 16, 1996
    Assignee: Konica Corporation
    Inventors: Masato Okuyama, Yukio Ohya
  • Patent number: 5506050
    Abstract: A plastic film material comprising a layer is disclosed, the layer containing in admixture a binder and particles comprising a compound in an amount of 70% or more by weight of the particles, the particles having a volume specific resistance of not more than 10.sup.9 .OMEGA.cm and the compound comprising an element selected from the group consisting of H, B, C, N, O, F, P, S and Cl.
    Type: Grant
    Filed: August 19, 1994
    Date of Patent: April 9, 1996
    Assignee: Konica Corporation
    Inventors: Yasuo Kurachi, Kaoru Y. Aegashi, Yoichi Saito, Yoshihiro Wada, Akihisa Nakajima
  • Patent number: 5506786
    Abstract: A cutting apparatus for finishing a surface of a substrate of a photoreceptor drum of an image forming apparatus estimates a finish state of the surface on real time with the finishing. The cutting apparatus has a detector to detect a cutting force to a cutting tool from the surface in finishing, a memory to store a cutting force pattern to distinguish the finish state of the surface, comparator means to compare the detected cutting force with the stored cutting force pattern and judging means to judge the finish state of the surface along with the progress of the cutting process.
    Type: Grant
    Filed: August 4, 1994
    Date of Patent: April 9, 1996
    Assignee: Konica Corporation
    Inventors: Masao Itoh, Masataka Inagi, Sunao Kawada, Toyotsugu Itoh, Takayoshi Hashimoto
  • Patent number: 5506092
    Abstract: A method of developing with developer an exposed black and white silver halide photographic light-sensitive material is disclosed, the developer containing a compound represented by the following Formula (1a) , (1b) , (2) or (3) and a compound represented by the following Formula (4) or (5): ##STR1##
    Type: Grant
    Filed: November 30, 1994
    Date of Patent: April 9, 1996
    Assignee: Konica Corporation
    Inventors: Wataru Ishikawa, Takeshi Sampei
  • Patent number: 5503570
    Abstract: This invention aims to provide a female terminal metal fixture for a connector, in which a contacting pressure on an elastic contact piece can be precisely and easily measured. In the fixture, a box like fitting portion 2 is provided in its interior with an elastic contact piece 5. The piece 5 has a contact area 6 adapted to elastically contact with a male terminal metal fixture. The contact area 6 electrically contacts with the male fixture when it is inserted into the fitting portion 2. The portion 2 is provided with an inspection aperture 8 in its upper wall 7 above the contact area 6. Measurement of a contacting force on the elastic contact piece 6 and observation of a surface condition of the piece can be effected through the inspection aperture 8.
    Type: Grant
    Filed: October 18, 1994
    Date of Patent: April 2, 1996
    Assignee: Sumitomo Wiring Systems, Ltd.
    Inventor: Hajime Okada
  • Patent number: 5504273
    Abstract: In an electrical wiring system, a typical process for suppressing noise due to electric current consists in preparing a pair of flat circuit units comprising respectively an insulation layer and at least one circuit conductor therein or thereon which undulates to form wave-like patterns and in superposing fixedly said conductor of the first unit with that of the second unit in such that at least one insulation layer is interposed between the superposed conductors and whereby peaks of the second unit conductor face troughs of the first unit conductor; according to the invention, fixing is performed by means enabling to interweave said peaks with said troughs. One such means consists in providing the first flat circuit unit with trough-side slits and the second with peak-side slits and in inserting the tongues formed by the trough-side slits in the peak-side slits.
    Type: Grant
    Filed: October 24, 1994
    Date of Patent: April 2, 1996
    Assignee: Sumitomo Wiring Systems, Ltd.
    Inventor: Ryuji Nakanishi
  • Patent number: 5501618
    Abstract: This invention aims to prevent terminal metal fixtures in an L-shaped bulb socket from being exposed and to positively hold the fixtures. Each terminal metal fixture (metal terminal) 1 is inserted into a fixture accommodating chamber 15 in an axial direction of a connector inlet port 9 through a fixture insertion opening 17 formed in a rear wall of a housing 7 while a male terminal 5 of the fixture 1 is being fitted to a through-hole 14 formed in a fixture holding wall 13. Then, a lid member 19 is thrusted in the opening 17 in an axial direction of a bulb inlet port 8 on a thrust groove 21 formed in an end face of the bulb inlet port 8. Thus, the opening 17 is covered by the lid member 19. A side plate 4 of clamp portions 2 of each terminal metal fixture 1 is clamped in a space between a stepped face 24 on the housing 7 and the lid member 19, thereby preventing the fixture 1 from moving vertically or horizontally.
    Type: Grant
    Filed: November 23, 1994
    Date of Patent: March 26, 1996
    Assignee: Sumitomo Wiring Systems, Ltd.
    Inventors: Junji Muta, Yoshiaki Furuta
  • Patent number: 5501609
    Abstract: This invention aims to provide a connector in which a stationary connector housing is provided on its flange with a cushion member to be closely attached to a panel to give a stable seal function regardless of a change of thickness of the panel. A male connector housing 13 of the connector is provided on an upper periphery on a hood 13b with a flange 13d. The male connector housing 13 is provided with securing fixtures 19 made of a leaf spring material. The housing 13 is secured to a periphery around an opening 12a in a panel 12 by clamping it between an upper elastic piece 19a and a flange 13d. The flange 13d is provided on its upper face with a cushion member 20 which is softer than a seal member 16 of a waterproofing cover 17. When a female connector housing 14 is fitted to the male connector housing 13, the seal member 16 closely contacts with a surface of the panel.
    Type: Grant
    Filed: November 18, 1994
    Date of Patent: March 26, 1996
    Assignee: Sumitomo Wiring Systems, Ltd.
    Inventor: Kaoru Watanabe
  • Patent number: 5502011
    Abstract: A silicon nitride sintered body characterized by comprising crystal grains having a linear density of 60 to 120 per 50 .mu.m length as measured in an arbitrary two-dimensional section of the sintered body. The silicon nitride sintered body has a shock compressive elasticity limit (Hugoniot-elastic limit) of 15 GPa or more and is substantially composed of crystal phases of .alpha.-silicon nitride and .beta.'-sialon. The percentages of the .alpha.-silicon nitride and .beta.'-sialon are not more than 30% and not less than 70%, respectively. The silicon nitride sintered body is particularly excellent in mechanical strengths at room temperature as well as in productivity and cost efficiency and is useful for applications as the material of parts where a particularly high impact strength is required, such as a valve train mechanism for automobile parts.
    Type: Grant
    Filed: September 9, 1994
    Date of Patent: March 26, 1996
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Takehisa Yamamoto, Takao Nishioka, Kenji Matsunuma, Akira Yamakawa