Patents by Inventor Masahiro Haruta

Masahiro Haruta 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).

  • Patent number: 4585484
    Abstract: A recording liquid comprises a dye selected from C.I. Direct Blue 199, C.I. Direct Yellow 86 and C.I. Food Black 2 as the recording agent for forming an image and a liquid medium for dissolving or dispersing said recording agent therein, said liquid medium comprising at least: (a) either one or both of polyethylene glycol and polyethylene glycol monomethyl ether, (b) either one or both of diethylene glycol and sulfolane, (c) either one or both of N-methyl-2-pyrrolidone and 1,3-dimethyl-2-imidazolidinone and (d) water.
    Type: Grant
    Filed: March 20, 1984
    Date of Patent: April 29, 1986
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masahiro Haruta, Tadayuki Nakousai, Kazuo Iwata, Keiko Nakousai
  • Patent number: 4572847
    Abstract: A recording paper characterized by comprising a substrate coated with a layer finely divided by micro-cracks of irregular form into numerous lamellae. This paper quickly fixes the coloring matter of ink by capturing it with the lamellae and also quickly absorbs the solvent of ink through the micro-cracks into the substrate.
    Type: Grant
    Filed: October 31, 1984
    Date of Patent: February 25, 1986
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masahiro Haruta, Takashi Hamamoto
  • Patent number: 4569855
    Abstract: A process for forming a deposition film, wherein a gaseous atmosphere of a silicon compound selected from(i) a silicon compound having at least one azo group directly bonded to a silicon atom and(ii) a silicon compound having at least one azide group directly bonded to a silicon atomis formed in a deposition chamber in which a substrate is placed, said compound is excited and decomposed utilizing light energy, and a deposition film containing silicon atoms is formed on said substrate.A compound containing atoms of a group III element or a group V element of the Periodic Table may be included in the atmosphere in the deposition chamber, the compounds excited and decomposed utilizing light energy, and a deposition film containing silicon atoms and the atoms in the group III or V element of the Periodic Table formed on said substrate.
    Type: Grant
    Filed: April 11, 1985
    Date of Patent: February 11, 1986
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroshi Matsuda, Masahiro Haruta, Ken Eguchi, Yukuo Nishimura, Yutaka Hirai, Takashi Nakagiri
  • Patent number: 4544580
    Abstract: A material used to bear writing or printing, which comprises a substrate and a coating layer formed thereon of a coating material containing a polymer having both hydrophilic segments and hydrophobic segments.
    Type: Grant
    Filed: August 14, 1984
    Date of Patent: October 1, 1985
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masahiro Haruta, Takashi Hamamoto, Shigeo Toganoh
  • Patent number: 4517244
    Abstract: A recording material comprises a base material containing a highly water-absorptive resin and being in the form of a film.
    Type: Grant
    Filed: July 29, 1982
    Date of Patent: May 14, 1985
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masatsune Kobayashi, Masahiro Haruta, Tsuyoshi Eida, Tokuya Ohta
  • Patent number: 4496629
    Abstract: A recording paper characterized by comprising a substrate coated with a layer finely divided by microcracks of irregular form into numerous lamellae. This paper quickly fixes the coloring matter of ink by capturing it with the lamellae and also quickly absorbs the solvent of ink through the micro-cracks into the substrate.
    Type: Grant
    Filed: January 7, 1983
    Date of Patent: January 29, 1985
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masahiro Haruta, Takashi Hamamoto
  • Patent number: 4481244
    Abstract: A material used to bear writing or printing, which comprises a substrate and a coating layer formed thereon of a coating material containing a polymer having both hydrophilic segments and hydrophobic segments.
    Type: Grant
    Filed: January 21, 1983
    Date of Patent: November 6, 1984
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masahiro Haruta, Takashi Hamamoto, Shigeo Toganoh
  • Patent number: 4410899
    Abstract: A liquid droplet is formed by producing and eliminating a bubble in a liquid in such a way that the liquid flow in the liquid conduit is not intercepted even when the bubble reaches the maximum volume.
    Type: Grant
    Filed: March 27, 1981
    Date of Patent: October 18, 1983
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masahiro Haruta, Yashuhiro Yano, Yohji Matsufuji, Tsuyoshi Eida, Tokuya Ohta
  • Patent number: 4395287
    Abstract: A liquid recording material comprises a recording agent for forming a recording image and a liquid vehicle for dissolving or dispersing said recording agent therein and is characterized in that a polyalkylene glycol having an average molecular weight of 150 to 350 (A component) and a polyalkylene glycol having an average molecular weight of 400 to 750 (B component) are incorporated in combination in said material.
    Type: Grant
    Filed: November 23, 1981
    Date of Patent: July 26, 1983
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masatsune Kobayashi, Seiko Matsumoto, Masahiro Haruta, Tokuya Ohta
  • Patent number: 4395288
    Abstract: A liquid recording medium for use in a recording process, wherein said recording medium is discharged from a discharge orifice in a recording head and spattered in the form of droplets for recording, and containing (a) a recording agent for forming recorded images and (b) a carrier liquid capable of dissolving or dispersing the recording agent. The recording agent is a compound having 2-8 sulfo groups per molecule and having the formula (A) ##STR1## where the Q.sub.1 radicals are similar or dissimilar members selected from phenylene and naphthylene, the Q.sub.2 radicals are similar or dissimilar members selected from phenyl and naphthyl, the Q.sub.1 radicals and the Q.sub.2 radicals may be unsubstituted or amino substituted, hydroxyl substituted or sulfo substituted, R.sub.1 -R.sub.6 are similar or dissimilar members selected from hydrogen, amino, hydroxyl and sulfo, and said sulfo groups as mentioned above are all in the form of sodium salt or quaternary ammonium salt.
    Type: Grant
    Filed: April 5, 1982
    Date of Patent: July 26, 1983
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tsuyoshi Eida, Yasuhiro Yano, Masahiro Haruta, Yohji Matsufuji, Tokuya Ohta
  • Patent number: 4392141
    Abstract: An image forming method comprises a first process step of introducing a thermal or electrical information into a recording medium as an input thereto, and converting said information into an absorption pattern of radiation rays, the wavelength of which ranges from a visible region to an infrared region; and a second process step of effecting irradiation of the radiation rays to said recording medium to carry out the radiation heating.
    Type: Grant
    Filed: May 14, 1981
    Date of Patent: July 5, 1983
    Assignee: Canon Kabushiki Kaisha
    Inventors: Eiichi Inoue, Yasushi Takatori, Masahiro Haruta
  • Patent number: 4373954
    Abstract: A recording liquid composed of an aqueous composition containing a water-soluble dye as the recording agent comprises a total concentration of halogen ions and acid radicals containing in said composition within the range from 0.00001 to 0.5% by weight.
    Type: Grant
    Filed: April 22, 1981
    Date of Patent: February 15, 1983
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tsuyoshi Eida, Yasuhiro Yano, Yohji Matsufuji, Masahiro Haruta, Tokuya Ohta
  • Patent number: 4361842
    Abstract: A recording method and a liquid composition for recording on a recording medium with a recording agent discharged from the discharge orifice of a recording head in the form of flying droplets by the repeated heating of a heating zone in the recording head, includes the steps of filling the heating zone with a liquid containing a liquid medium, a coating-film forming compound which undergoes thermal oxidation when subjected to heat energy for forming a coating film, and a recording agent, and causing heat energy to repeatedly act on the liquid to cause the repeated formation of coating film on the wall surface of the heating zone.
    Type: Grant
    Filed: September 8, 1980
    Date of Patent: November 30, 1982
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masahiro Haruta, Yohji Matsufuji, Yasuhiro Yano, Tokuya Ohta, Tsuyoshi Eida
  • Patent number: 4338611
    Abstract: An improvement in a structure of a liquid jet recording head having a liquid ejecting portion constructed with an orifice side end part, at the tip end of which an orifice is provided to discharge liquid therefrom, an energy acting zone communicatively connected with the orifice and where energy acts on the liquid to form flying droplets, and a liquid inlet port side end part connected with the energy acting zone and having a liquid inlet port, through which the liquid is introduced into the energy acting zone.
    Type: Grant
    Filed: September 12, 1980
    Date of Patent: July 6, 1982
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tsuyoshi Eida, Yohji Matsufuji, Yasuhiro Yano, Tokuya Ohta, Masahiro Haruta
  • Patent number: 4325735
    Abstract: A recording liquid composition whose small droplets are used for recording is composed of an aqueous liquid medium containing a water-soluble dye, and the composition contains a nitrogen-containing heterocyclic ketone compound and a member selected from urea and thiourea, or a nitrogen-containing 5-membered heterocyclic keto-acid.
    Type: Grant
    Filed: June 13, 1980
    Date of Patent: April 20, 1982
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tokuya Ohta, Tsuyoshi Eida, Yasuhiro Yano, Yohji Matsufuji, Masahiro Haruta
  • Patent number: 4295889
    Abstract: A recording liquid composition for use in a recording system of the type in which the recording liquid composition is jetted from a small orifice in a form of droplet flying toward a recording material on which an image is to be printed, said recording liquid composition comrising, as its recording agent component, a particular compound as well defined in the specification by the general formula (A) or (B).
    Type: Grant
    Filed: November 28, 1979
    Date of Patent: October 20, 1981
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tsuyoshi Eida, Masahiro Haruta, Yasuhiro Yano, Yoji Matsufuji, Tokuya Ohta
  • Patent number: 4281329
    Abstract: A liquid recording medium for use in a recording device, wherein the liquid recording medium is discharged from a discharge orifice in a recording head of the device and spattered in the form of droplets contains a carbonic acid ester compound having an aliphatic radical.
    Type: Grant
    Filed: June 19, 1979
    Date of Patent: July 28, 1981
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yasuhiro Yano, Masahiro Haruta, Tokuya Ohta
  • Patent number: 4263601
    Abstract: The present invention relates to an image forming process and an apparatus therefor for forming an image with liquid ink in response to output information from a facsimile or a computer, or optical information.In the present invention there is employed a screen member provided with a plurality of through holes and control electrodes respectively provided in the vicinity of said through holes, and voltages corresponding to the image information signals are applied to said control electrodes to selectively introduce electroconductive liquid ink into said through holes thereby forming an image, said image then being transferred onto or made to fly toward a recording material such as paper.
    Type: Grant
    Filed: September 25, 1978
    Date of Patent: April 21, 1981
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yukuo Nishimura, Masahiro Haruta, Yasushi Takatori, Katsuhiko Nishide
  • Patent number: 4012292
    Abstract: An image recording member comprises a support and a recording layer overlying the support and mainly composed of a binder, a component capable of forming an image when electric current is applied thereto, and a conductive component composed of a mixture of an electronic conductive material and a compound containing zeolitic water, and an image can be electrically recorded by using said image recording member.
    Type: Grant
    Filed: September 23, 1975
    Date of Patent: March 15, 1977
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takutoshi Fujiwara, Yasushi Takatori, Masahiro Haruta, Akemi Shimosawa, Katsuhiko Nishide
  • Patent number: 3983564
    Abstract: An image recording member of a type, wherein a recording layer comprising graphite fluoride and a fluorine acceptor is formed on a supporting body or substrate, and an image is recorded on such recording member by applying energy thereto.
    Type: Grant
    Filed: August 18, 1975
    Date of Patent: September 28, 1976
    Assignee: Canon Kabushiki Kaisha
    Inventors: Mitsunobu Nakazawa, Yoshiaki Araki, Masahiro Haruta, Kunio Satomi