Patents by Inventor Osamu Nishiwaki

Osamu Nishiwaki 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).

  • Publication number: 20050133823
    Abstract: A method for forming a wiring according to the present invention includes supplying to a substrate a first liquid containing a first component to form a first pattern and a second liquid containing a second component to form a second pattern to come into contact with each other, the second component causing interfacial aggregation in a contact area with the first component when brought into contact with the first component, and forming a wiring pattern consisting of the first pattern and the second pattern on the substrate.
    Type: Application
    Filed: December 1, 2004
    Publication date: June 23, 2005
    Applicant: Canon Kabushiki Kaisha
    Inventors: Takashi Mori, Kazuo Iwata, Yuji Tsuruoka, Osamu Nishiwaki, Hidehito Takayama, Eiichi Motai
  • Patent number: 5936649
    Abstract: An ink absorbent member is prepared for holding an ink stored in an ink storing section in an ink jet cartridge. The ink absorbent member contains not more then 0.20% by weight, on the basis of the member, of a fraction of soluble matters in a liquid containing an organic polar solvent incapable of reacting with the ink absorbent member such as monohydric alcohols or alkyl ethers of polyhydric alcohols.
    Type: Grant
    Filed: April 24, 1995
    Date of Patent: August 10, 1999
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masami Ikeda, Nobuyuki Kuwabara, Seiichiro Karita, Masahiro Haruta, Osamu Nishiwaki, Shinichi Tochihara, Akira Nagashima, Makoto Aoki, Kumiko Mafune
  • Patent number: 5466282
    Abstract: Disclosed herein is a monoazo dye compound having a structural unit represented by the following formula in its molecule:--X--Y--(R.sub.1)(R.sub.2)(R.sub.3).sub.k [I]wherein Y is a 6-membered ring containing 2 or 3 nitrogen atoms, X is a linking group for bonding a main body of the dye molecule to Y, R.sub.1 is the first amino acid residue, R.sub.2 is an atomic group selected from the following group A, R.sub.3 is another atomic group selected from the following group BB, and k is a number of 0 or 1:Group A: H, OH, NH.sub.2, CN, .dbd.O and the second amino acid residue;Group BB: H, OH, NH.sub.2, CN and .dbd.O,the first and second amino acid residues being identical with or different from each other.
    Type: Grant
    Filed: May 12, 1994
    Date of Patent: November 14, 1995
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tsuyoshi Eida, Osamu Nishiwaki, Takao Yamamoto, Kumiko Mafune
  • Patent number: 5451251
    Abstract: Disclosed herein is an ink comprising a coloring material and a liquid medium dissolving the coloring material therein, wherein the ink comprises a dye having at least one ammonium ion as a counter ion and an ammonium salt of an inorganic or organic acid.
    Type: Grant
    Filed: February 23, 1994
    Date of Patent: September 19, 1995
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kumiko Mafune, Tsuyoshi Eida, Keiichi Murai, Yoshifumi Hattori, Mayumi Yamamoto, Osamu Nishiwaki, Yoshihisa Takizawa, Takao Yamamoto, Akira Nagashima, Masahiko Tonogaki, Shinichi Sato, Ryuji Katsuragi, Mikio Sanada, Hisashi Teraoka, Eriko Saito
  • Patent number: 5256194
    Abstract: A recording liquid containing a dye, glycerine, an aliphatic monohydric alcohol and water. The dye is a mixture of C.I. Food Black 2 and at least one compound selected from compounds which are represented by the following general formulas [I] and [II]: ##STR1## [where Q1 is a phenyl group or a naphthyl group which are substituted by a lower alkyl carbonylamino group and a lower alkoxy group or a naphthyl group substituted by a SO.sub.3 M group, Q2 is a naphthyl group substituted by a SO.sub.3 M group or a phenyl group substituted by a lower alkoxy group, Q3 is a phenyl group, a naphthyl group, or a phenyl group or a naphthyl group which are substituted by a SO.sub.3 M group, R.sub.1 and R.sub.2 are each a lower alkyl group, a lower alkoxy group or a lower alkyl carbonylamino group, R.sub.3 is a hydrogen or a phenyl group substituted by a SO.sub.3 M group, n is 0 or 1, and M is an alkaline metal or an ammonium cation.
    Type: Grant
    Filed: September 2, 1992
    Date of Patent: October 26, 1993
    Assignee: Canon Kabushiki Kaisha
    Inventors: Osamu Nishiwaki, Kazuo Iwata, Shinichi Tochihara, Hitoshi Sugimoto
  • Patent number: 5213613
    Abstract: Disclosed herein is an ink comprising a recording agent and a liquid medium dissolving or dispersing the recording agent therein, wherein the ink contains an imide compound and at least one compound selected from the group consisting of urea, thiourea and derivatives thereof, and volatile alkaline compounds.
    Type: Grant
    Filed: September 23, 1992
    Date of Patent: May 25, 1993
    Assignee: Canon Kabushiki Kaisha
    Inventors: Akira Nagashima, Shinichi Tochihara, Osamu Nishiwaki, Kumiko Mafune
  • Patent number: 5182579
    Abstract: An ink tank having an ink storing portion encases an ink-absorbent member for holding ink. The ink-absorbent member comprises a porous material having therein compressed open cells. The compression ratio r.sub.1 of an apparent volume V.sub.1 before compression to an apparent volume V.sub.2 after compression (r.sub.1 =V.sub.1 /V.sub.2) and the cell number p represented by number of cells per inch in the state of V.sub.1 satisfy the relation (I) below, and p being not more than 60.100 [inch.sup.-1 ].ltoreq.r.sub.1 .multidot.p.ltoreq.200 [inch.sup.
    Type: Grant
    Filed: July 10, 1991
    Date of Patent: January 26, 1993
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masahiro Haruta, Masami Ikeda, Seiichiro Karita, Nobuyuki Kuwabara, Takahisa Kawamura, Masahiko Higuma, Teruo Arashima, Tsutomu Abe, Osamu Nishiwaki, Shinichi Tochihara, Akira Nagashima, Makoto Aoki, Kumiko Mafune
  • Patent number: 5148186
    Abstract: An ink jet recording method is disclosed by which, the temperature of the ink droplet discharged from the discharge opening by a discharge signal becomes 60.degree. C. or higher at the printing position of a recording medium, and the volume of the ink droplet when discharged is no greater than 40 pl.
    Type: Grant
    Filed: May 8, 1991
    Date of Patent: September 15, 1992
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shinichi Tochihara, Osamu Nishiwaki, Kazuo Iwata
  • Patent number: 5137570
    Abstract: A recording liquid containing a dye, glycerine, an aliphatic monohydric alcohol and water. The dye is a mixture of C.I. Food Black 2 and at least one compound selected from compounds which are represented by the following general formulas [I] and [II]: ##STR1## where Q1 is a phenyl group or a naphthyl group which are substituted by a lower alkyl carbonylamino group and a lower alkoxy group or a naphthyl group substituted by a SO.sub.3 M group, Q2 is a naphthyl group substituted by a SO.sub.3 M group or a phenyl group substituted by a lower alkoxy group, Q3 is a phenyl group, a naphthyl group, or a phenyl group or a naphthyl group which are substituted by a SO.sub.3 M group, R.sub.1 and R.sub.2 are each a lower alkyl group, a lower alkoxy group or a lower alkyl carbonylamino group, R.sub.3 is a hydrogen or a phenyl group substituted by a SO.sub.3 M group, n is 0 or 1, and M is an alkaline metal or an ammonium cation.
    Type: Grant
    Filed: August 2, 1991
    Date of Patent: August 11, 1992
    Assignee: Canon Kabushiki Kaisha
    Inventors: Osamu Nishiwaki, Kazuo Iwata, Shinichi Tochihara, Hitoshi Sugimoto
  • Patent number: 5135571
    Abstract: A recording liquid, comprising a recording agent which is a component that forms a recorded image and a liquid medium in which said recording agent is dissolved or dispersed, wherein said recording agent comprises a dye represented by the Formula (A) ##STR1## wherein R.sub.1 and R.sub.2 are selected from the group consisting of a hydrogen atom, a methyl group, a methoxy group, a chloro group, a sulfonic acid group; X represents a residual group of an organic acid; and M represents a base selected from the group consisting of an alkali metal group, an ammonium group, and an organic amine group and at least one dye selected from the group consisting of C.I. Acid Red 131, C.I. Acid Red 274, C.I. Direct Red 227 and C.I. Direct Red 9.
    Type: Grant
    Filed: October 30, 1990
    Date of Patent: August 4, 1992
    Assignee: Canon Kabushiki Kaisha
    Inventors: Katsuhiro Shirota, Osamu Nishiwaki, Kazuo Iwata, Shinichi Tochihara
  • Patent number: 5131949
    Abstract: An ink that includes a recording agent and a liquid medium capable of dissolving or dispersing the recording agent. The ink contains a compound represented by the following Formula (I):R.sub.1 --CONH--R.sub.2 (I)wherein R.sub.1 represents an alkyl group or aryl group unsubstituted or substituted with a group selected from a hydroxyl group, a carboxyl group, a sulfone group, an amino group and an acetylamino group; and R.sub.2 represents a hydrogen atom, an amide group, an aminoalkyl group, an aliphatic carboxylic acid residual group, or an aryl group unsubstituted or substituted with a group selected from a hydroxyl group, a carboxyl group, a sulfone group, an amino group and an acetylamino group; provided that R.sub.1 represents the unsubstituted or substituted aryl group when R.sub.2 is a hydrogen atom. The ink is suitably used in ink-jet recording.
    Type: Grant
    Filed: February 6, 1991
    Date of Patent: July 21, 1992
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shinichi Tochihara, Makoto Aoki, Kumiko Mafune, Akira Nagashima, Kenji Aono, Osamu Nishiwaki
  • Patent number: 5132700
    Abstract: An ink-jet recording process and apparatus employing ink that includes a recording agent and a liquid medium capable of dissolving or dispersing the recording agent, wherein said ink contains both a compound represented by the following Formula (I) and a compound represented by the following Formula (II): ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 each represent an alkyl group or a hydroxyalkyl group, and any one of them may represent a hydrogen atom; X.sup.- represents an inorganic acid ion; R.sub.4 and R.sub.5 each represent a group selected from a hydrogen atom, an alkyl group and a hydroxyalkyl group; and R.sub.6 represents a group selected from a carboxyl group, a hydroxyl group, a sulfone group, an alkyl group and a hydrogen atom. The ink is suitably used in the ink-jet recording.
    Type: Grant
    Filed: October 1, 1991
    Date of Patent: July 21, 1992
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shinichi Tochihara, Makoto Aoki, Kumiko Mafune, Osamu Nishiwaki, Kenji Aono, Akira Nagashima
  • Patent number: 5125969
    Abstract: A recording liquid containing a dye, glycerine, an aliphatic monohydric alcohol and water. The dye is a mixture of C.I. Food Black 2 and at least one compound selected from compounds which are represented by the following general formulas [I] and [II]: ##STR1## where Q1 is a phenyl group or a naphthyl group which are substituted by a lower alkyl carbonylamino group and a lower alkoxy group or a naphthyl group substituted by a SO.sub.3 M group, Q2 is a naphthyl group substituted by a SO.sub.3 M group or a phenyl group substituted by a lower alkoxy group, Q3 is a phenyl group, a naphthyl group, or a phenyl group or a naphthyl group which are substituted by a SO.sub.3 M group, R.sub.1 and R.sub.2 are each a lower alkyl group, a lower alkoxy group or a lower alkyl carbonylamino group, R.sub.3 is a hydrogen or a phenyl group substituted by a SO.sub.3 M group, n is 0 or 1, and M is an alkaline metal or an ammonium cation.
    Type: Grant
    Filed: January 17, 1990
    Date of Patent: June 30, 1992
    Assignee: Canon Kabushiki Kaisha
    Inventors: Osamu Nishiwaki, Kazuo Iwata, Shinichi Tochihara, Hitoshi Sugimoto
  • Patent number: 5080716
    Abstract: An ink comprises a recording agent and a liquid medium capable of dissolving or dispersing the recording agent, wherein said ink contains a compound represented by the following Formula (I): ##STR1## wherein R.sub.1 and R.sub.2 each represent a group selected from a hydrogen atom, an alkyl group, a hydroxyl group and a carboxyl group; and R.sub.3 represents a monohydric hydroxyalkyl group. The ink is suitably used for ink-jet recording.
    Type: Grant
    Filed: February 6, 1991
    Date of Patent: January 14, 1992
    Assignee: Canon Kabushiki Kaisha
    Inventors: Makoto Aoki, Kumiko Mafune, Shinichi Tochihara, Osamu Nishiwaki, Kenji Aono, Akira Nagashima
  • Patent number: 5078790
    Abstract: An ink comprises a recording agent and a liquid medium capable of dissolving or dispersing the recording agent, wherein said ink contains both a compound represented by the following Formula (I) and a compound represented by the following Formula (II): ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 each represent an alkyl group or a hydroxyalkyl group, and any one of them may represent a hydrogen atom; X.sup.- represents an inorganic acid ion; R.sub.4 and R.sub.5 each represent a group selected from a hydrogen atom, an alkyl group and a hydroxyalkyl group; and R.sub.6 represents a group selected from a carboxyl group, a hydroxyl group, a sulfone group, an alkyl group and a hydrogen atom. The ink is suitably used in the ink-jet recording.
    Type: Grant
    Filed: February 6, 1991
    Date of Patent: January 7, 1992
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shinichi Tochihara, Makoto Aoki, Kumiko Mafune, Osamu Nishiwaki, Kenji Aono, Akira Nagashima
  • Patent number: 4931810
    Abstract: There is disclosed ink-jet recording process for carrying out a recording by adhering ink droplets on a recording medium, wherein the recording is carried out under the condition that the ink is adhered in an amount ranging between 3.0.times.10.sup.5 pl/cm.sup.2 and 3.0.times.10.sup.6 pl/cm.sup.2 in solid image recording when the recording is carried out with a recording density of 10 dots/mm.times.10 dots/mm or more.
    Type: Grant
    Filed: June 23, 1989
    Date of Patent: June 5, 1990
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuo Iwata, Osamu Nishiwaki, Shinichi Tochihara
  • Patent number: 4187374
    Abstract: 7-[.beta.-Aminoacylamino]-3-substituted-3-cephem-4-carboxylic acid derivatives of the formula: ##STR1## wherein R.sub.1 is hydrogen, lower alkyl, lower alkenyl, aryl or a heterocyclic group,R.sub.2 is hydrogen or lower alkyl, orR.sub.1 and R.sub.2 mean, taken together with the adjacent carbon atoms, cycloalkyl or cycloalkenyl,R.sub.3 is hydrogen, lower alkylthio or a hetero cyclic-thio group, andM is hydrogen or a nontoxic, pharmaceutically acceptable cation,processes for the preparation of the same and composition thereof. These compounds are useful as antibacterial agents.
    Type: Grant
    Filed: March 24, 1978
    Date of Patent: February 5, 1980
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Kunihiko Tanaka, Masaru Kurita, Osamu Nishiwaki
  • Patent number: 4094872
    Abstract: 7-[.beta.-Aminoacylamino]-3-substituted-3-cephem-4-carboxylic acid derivatives of the formula: ##STR1## wherein R.sub.1 is hydrogen, lower alkyl, lower alkenyl, aryl or a heterocyclic group,R.sub.2 is hydrogen or lower alkyl, orR.sub.1 and R.sub.2 mean, taken together with the adjacent carbon atom, cycloalkyl or cycloalkenyl,R.sub.3 is hydrogen, lower alkylthio or a hetero cyclic-thio group, andM is hydrogen or a nontoxic, pharmaceutically acceptable cation,Processes for the preparation of the same and composition thereof. These compounds are useful as antibacterial agents.
    Type: Grant
    Filed: September 12, 1973
    Date of Patent: June 13, 1978
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Kunihiko Tanaka, Masaru Kurita, Osamu Nishiwaki
  • Patent number: 4000133
    Abstract: A cephalosporanic acid derivative possessing antibacterial activity and pharmaceutically acceptable salts thereof, and processes for preparing same, having the general formula ##STR1## wherein R.sub.1 is hydrogen, aryl or a heterocyclic groupR.sub.2 is pyridyl or styryl, andR.sub.3 is hydrogen, alkylthio or an unsubstituted or alkyl substituted heterocyclic group.
    Type: Grant
    Filed: June 3, 1974
    Date of Patent: December 28, 1976
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Kazuo Kariyone, Osamu Nishiwaki, Kunikazu Takai