Patents by Inventor Yoshihiko Suda
Yoshihiko Suda 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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Publication number: 20040161554Abstract: An ink-jet recording sheet comprising a support having thereon an ink absorptive layer containing a multivalent metal compound which is coordinated with an amino acid.Type: ApplicationFiled: February 10, 2004Publication date: August 19, 2004Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Yoshihiko Suda, Toshihiko Iwasaki, Junji Ito, Yukako Taka
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Patent number: 6593070Abstract: An image formation process is disclosed, comprising overlapping an imagewise exposed silver halide photographic material onto a processing element with an aqueous medium being present between the photographic material and the processing element to perform development, thereby forming an image in the photographic material, wherein the aqueous medium contains at least a color developing agent or a precursor thereof, and the aqueous medium having a viscosity of 10.0 to 15000 cp at 25° C.Type: GrantFiled: December 18, 2001Date of Patent: July 15, 2003Assignee: Konica CorporationInventors: Yoshihiko Suda, Hiroyuki Hoshino, Hiromichi Mizukami, Hiromoto Ii, Noriyuki Kokeguchi
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Publication number: 20020191077Abstract: The present invention relates to an image forming apparatus to obtain a digital image data, comprising: developing device to give a color development to silver halide color photographic light sensitive material and to form a dye image on the light sensitive material; image reading device reading the dye image to obtain a dye image information, converting the dye image information to electronic signals via a image imputing medium and forming a digital image data from the electronic signals; image data processing device to give a image data processing to the digital image data; and identifying device to obtain an identification information of the light sensitive material, wherein an image reading condition in the image reading device is adjusted in accordance with the identification information.Type: ApplicationFiled: May 21, 2002Publication date: December 19, 2002Inventors: Hiroaki Takano, Yoshihiko Suda
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Publication number: 20020146650Abstract: A photographic processing element is disclosed, comprising a color developing agent or its precursor. The element further comprises a base or its precursor. An image forming method is also disclosed, comprising superposing a processing element comprising a color developing agent or its precursor on an exposed silver halide photographic material to perform development of the photographic material to form an image.Type: ApplicationFiled: December 8, 2000Publication date: October 10, 2002Inventors: Noriyuki Kokeguchi, Hiromichi Mizukami, Yoshihiko Suda
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Patent number: 6455235Abstract: A photographic processing element is disclosed, comprising a color developing agent or its precursor. The element further comprises a base or its precursor. An image forming method is also disclosed, comprising superposing a processing element comprising a color developing agent or its precursor on an exposed silver halide photographic material to perform development of the photographic material to form an image.Type: GrantFiled: December 8, 2000Date of Patent: September 24, 2002Assignee: Konica CorporationInventors: Noriyuki Kokeguchi, Hiromichi Mizukami, Yoshihiko Suda
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Publication number: 20020132195Abstract: An image formation process is disclosed, comprising overlapping an imagewise exposed silver halide photographic material onto a processing element with an aqueous medium being present between the photographic material and the processing element to perform development, thereby forming an image in the photographic material, wherein the aqueous medium contains at least a color developing agent or a precursor thereof, and the aqueous medium having a viscosity of 10.0 to 15000 cp at 25° C.Type: ApplicationFiled: December 18, 2001Publication date: September 19, 2002Inventors: Yoshihiko Suda, Hiroyuki Hoshino, Hiromichi Mizukami, Hiromoto Ii, Noriyuki Kokeguchi
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Patent number: 6087051Abstract: An information recording material having thereon an image carrier layer composed of a hydrophilic polymer and a protective covering layer. The protective covering layer contains an aqueous polyurethane resin or an aqueous polyacryl resin. An information recording material which is excellent in terms of water resistance, anti-scratch property, glossiness, image storage stability and resistance to fingerprints is obtained.Type: GrantFiled: July 8, 1997Date of Patent: July 11, 2000Assignee: Konica CorporationInventors: Takehiko Shoji, Yoshihiko Suda, Noriyuki Kokeguchi, Shin-ichi Suzuki
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Patent number: 5972573Abstract: An image forming method of a silver halide light sensitive photographic material including a color image forming layer containing a silver halide emulsion and a dye providing material is disclosed, the image forming method comprising the steps of developing the exposed photographic material with a first processing solution and subjecting the developed photographic material to amplification with a second processing solution, wherein the first processing solution contains a black-and-white developing agent and a color developing agent.Type: GrantFiled: April 14, 1998Date of Patent: October 26, 1999Assignee: Konica CorporationInventors: Kazuhiro Miyazawa, Shigeo Tanaka, Noriyuki Kokeguchi, Yoshihiko Suda, Junji Ito
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Patent number: 5731139Abstract: A silver halide photographic light sensitive material comprises a support and provided thereon, a light sensitive silver halide emulsion layer, wherein said light sensitive silver halide emulsion layer or another layer contains an organic compound having a boron atom bonding to at least two oxygen atoms.Type: GrantFiled: March 8, 1996Date of Patent: March 24, 1998Assignee: Konica CorporationInventors: Masaki Nakamura, Nobuaki Kagawa, Yoshihiko Suda
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Patent number: 5723265Abstract: A color image forming method is disclosed, comprising developing a silver halide photographic material and bleach and/or fixing the photographic material, wherein the color image is formed in the presence of a dextran. The dextran may be incorporated in the photographic material or a processing solution.Type: GrantFiled: October 8, 1996Date of Patent: March 3, 1998Assignee: Konica CorporationInventors: Shinsaku Nagaoka, Takehiko Shoji, Kiyokazu Morita, Tsukasa Ito, Yoshihiko Suda
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Patent number: 5310641Abstract: A negative type silver halide photographic material having silver halide grains of a core-shell structure. An inner core essentially consists of silver bromide or silver iodobromide and a plurality of shells consists essentially of silver bromide or silver iodobromide. The shells of each silver halide grain have (1) an outermost shell containing silver iodide of 0 to 10 mol %, (2) a highly iodide-containing shell provided inside the outermost shell and having a silver iodide content at least 6 mol % higher than that of the outermost shell, and (3) an intermediate shell provided between the outermost shell and the high iodide-containing shell. The silver iodide content of the intermediate shell is 3 mol % higher than that of the outermost shell and at least 3 mol % lower than that of the high iodide-containing shell.Type: GrantFiled: October 23, 1991Date of Patent: May 10, 1994Assignee: Konica CorporationInventors: Syoji Matsuzaka, Shu Nishiwaki, Yoshihiko Suda, Takashi Kamio, Toshimi Terai, Toshimi Iijima
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Patent number: 5084376Abstract: There is disclosed a heat-developable color light-sensitive material having an excellent preservability and capable of providing images having a superior discrimination and only a slight fluctuation of Dmin against that of the development conditions. The material comprises a support having thereon a light-sensitive silver halide, a dye donor and a compound represented by following Formula I: ##STR1## wherein X represents a group capable of splitting off in heat-development; Y represents the group of atoms necessary to form 5- or 6-membered heterocyclic ring; Z represents a substituent; and n represents an integer of 0 to 4.Type: GrantFiled: May 14, 1991Date of Patent: January 28, 1992Assignee: Konica CorporationInventors: Yoshihiko Suda, Hidenobu Ohya, Kazuhiro Miyazawa, Tawara Komamura, Norio Miura
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Patent number: 4968597Abstract: A heat developable color photographic material is disclosed, which has a high speed and lowered fog. The photographic material comprises a blue-sensitive silver halide, a reducing agent and a binder, and a layer containing blue-sensitive silver halide contains a compound represented by the following formula I: ##STR1## wherein Z represents a group of atoms necessary for completing an aromatic ring or a heterocyclic ring which may have a condensed ring.Type: GrantFiled: November 14, 1989Date of Patent: November 6, 1990Assignee: Konica CorporationInventors: Yoshihiko Suda, Hiroyuki Kaguchi, Tawara Komamura
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Patent number: 4917996Abstract: Disclosed are silver halide grains which has (110) crystal faces and comprises a silver halide composition consisting substantially of silver bromide or silver iodobromide; a preparation thereof which comprises controlling pAg at 8.0 to 9.5 during a period until at least 30 mole % of the total silver halide is formed in the step of preparing the silver halide grains while permitting at least one selected from the compounds represented by the formula (I), (II), (III) or (IV) shown below and the compounds having the recurring units represented by the formula (V) shown below to exist during the period: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.Type: GrantFiled: April 22, 1988Date of Patent: April 17, 1990Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Syoji Matsuzaka, Hideo Akamatsu, Shu Nishiwaki, Yoshihiko Suda
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Patent number: 4775615Abstract: Silver halide grains having semi-(110) faces and comprising a silver halide composition consisting substantially of at least one halide selected from the group consisting of silver bromide and silver iodobromide.Type: GrantFiled: July 2, 1987Date of Patent: October 4, 1988Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Syoji Matsuzaka, Hideo Akamatsu, Shu Nishiwaki, Yoshihiko Suda
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Patent number: 4769315Abstract: Disclosed are a silver halide grain comprising 8 or 12 concavities on the surface, and a photographical light-sensitive material containing a silver halide grain having 8 to 12 concavities on the surface.According to the present invention, there can be obtained silver halide grains having still higher sensitivity and also improved in the relationship of sensitivity-fog as compared with those of the prior art, and also a light-sensitive silver halide material by use of an emulsion containing said grains.Type: GrantFiled: January 27, 1987Date of Patent: September 6, 1988Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Yoshihiko Suda, Syoji Matsuzaka, Yasuo Tosaka, Yukio Ohya
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Patent number: 4758504Abstract: Disclosed are silver halide grains which have crystal faces defined by Miller indices of (nnl) where n.gtoreq.Type: GrantFiled: December 22, 1986Date of Patent: July 19, 1988Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Yukio Ohya, Syoji Matsuzaka, Yasuo Tosaka, Yoshihiko Suda