Patents by Inventor Junichi Hanna

Junichi Hanna 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: 4855210
    Abstract: An improved electrophotographic photosensitive member having a desired light receiving layer prepared by the use of a substance capable of contributing to form a deposited film and an electronically oxidizing agent in the absence of a plasma. A process and an apparatus for preparing the electrophotographic photosensitive member.
    Type: Grant
    Filed: December 10, 1986
    Date of Patent: August 8, 1989
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masaaki Hirooka, Shunichi Ishihara, Junichi Hanna, Isamu Shimizu
  • Patent number: 4824697
    Abstract: A method for forming a deposited film by introducing the active species (A) formed by decomposition of a subjective starting material gas (A) which is the major flow rate component and the active species (B) formed by decomposition of an objective starting material gas (B) which is the minor flow rate component and the activated species (C) formed from a compound (C) separately from each other into a film forming space for formation of a deposited film on a substrate and permitting said active species (A) and active species (B) to chemically react with said activated species (C) to thereby form a deposited film on the substrate comprises forming a multi-layer structure film by varying the amount of said active species (B) introduced into the film forming space.
    Type: Grant
    Filed: January 12, 1987
    Date of Patent: April 25, 1989
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shunichi Ishihara, Masaaki Hirooka, Junichi Hanna, Isamu Shimizu
  • Patent number: 4822636
    Abstract: A method for forming a deposited film by introducing a gaseous starting material for formation of a deposited film and a gaseous halogenic oxidizing agent having the property of oxidation action on said starting material separately from each other into a reaction space to form a deposited film according to a chemical reaction, which comprises activating previously a gaseous substance (D) for formation of a valence electron controller in an activation space to form an activated species and introducing said activated species into the reaction space to form a doped deposited film.
    Type: Grant
    Filed: December 16, 1986
    Date of Patent: April 18, 1989
    Assignee: Canon Kabushiki Kaisha
    Inventors: Keishi Saitoh, Masaaki Hirooka, Junichi Hanna, Isamu Shimizu
  • Patent number: 4818564
    Abstract: A method for forming a deposited film comprises introducing a gaseous starting material for formation of a deposited film and a gaseous halogenic oxidizing agent having the property of oxidation action for said starting material into a reaction space to effect chemical contact therebetween to thereby form a plural number of precursors containing precursors under excited state, and forming a deposited film on a substrate existing in the film forming space with the use of at least one precursor of these precursors as the feeding source for the constituent element of the deposited film.
    Type: Grant
    Filed: October 22, 1986
    Date of Patent: April 4, 1989
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shunichi Ishihara, Junichi Hanna, Isamu Shimizu
  • Patent number: 4812325
    Abstract: A method for forming a deposited film comprises introducing into a reaction space containing a substrate (a) a gaseous starting material for the formation of a deposited film, (b) a gaseous oxidizing agent, and optionally (c) a gaseous material containing a valence electron controller component; effecting chemical contact therebetween to form a plurality of precursors including precursors in an excited state; and forming a deposited film on the substrate with at least one of the precursors.
    Type: Grant
    Filed: October 21, 1986
    Date of Patent: March 14, 1989
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shunichi Ishihara, Junichi Hanna, Isamu Shimizu
  • Patent number: 4812328
    Abstract: A method for forming a deposited film by introducing a gaseous starting material for formation of a deposited film and a gaseous halogenic oxidizing agent having the property of oxidation action on said starting material separately from each other into a reaction space to form a deposited film according to a chemical reaction, which comprises activating previously a gaseous substance (B) for formation of a band gap controller in an activation space to form an activated species and introducing said activated species into the reaction space to form a deposited film controlled in band gap on a substrate existing in the film forming space.
    Type: Grant
    Filed: December 23, 1986
    Date of Patent: March 14, 1989
    Assignee: Canon Kabushiki Kaisha
    Inventors: Keishi Saitoh, Masaaki Hirooka, Junichi Hanna, Isamu Shimizu
  • Patent number: 4803947
    Abstract: There is disclosed an apparatus for forming deposited film which forms deposited film on a substrate by introducing a gaseous starting material for formation of deposited film and a gaseous oxidizing agent having the property of oxidation action for said gaseous starting material through separate routes respectively into a film forming space to thereby effect chemical contact therebetween, comprising one or two or more chambers for formation of deposited film and one or two or more etching chambers for etching at least one of said substrate and the deposited film formed on the substrate connected to one another.
    Type: Grant
    Filed: January 13, 1987
    Date of Patent: February 14, 1989
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masao Ueki, Masaaki Hirooka, Junichi Hanna, Isamu Shimizu
  • Patent number: 4804558
    Abstract: A process for producing an electroluminescent device comprises providing in a film forming space for forming an electroluminescent film a substrate having an electrode formed on the surface thereof, said electrtode optionally having a first insulating layer formed thereon, introducing into said film forming space the compounds (A), (B) and (C) represented by the general formulae (A), (B) and (C) shown below and a gaseous halogenic oxidizing agent capable of chemically reacting with at least one of said compounds (A), (B) and (C), respectively, to thereby form an electroluminescent film on said electrode of said substrate, and if desired forming a second insulating layer and electrode in succession thereon:MmRn (A)AaBb (B)JjQq (C)wherein m is a positive integer equal to the valence of R or said valence multiplied by an integer, n is a positive integer equal to the valence of M or said valence multiplied by an integer, M is zinc (Zn) element, R is hydrogen (H), halogen (X) or hydrocarbon group; a is a positive
    Type: Grant
    Filed: December 17, 1986
    Date of Patent: February 14, 1989
    Assignee: Canon Kabushiki Kaisha
    Inventors: Keishi Saitoh, Masaaki Hirooka, Junichi Hanna, Isamu Shimizu
  • Patent number: 4801474
    Abstract: A method for forming a thin multi-layer structure member having at least one of at least one kind of a semiconductor thin film controlled in valence electron and a semiconductor thin film regulated in band gap comprises forming at least one layer of said semiconductor thin films on a substrate by introducing a precursor (B) formed in a decomposition space (B) which becomes the starting material for deposited film formation and an active species (C) formed in a decomposition space (C) which interacts with said precursor (B) separately into a deposition space (A) for forming a thin film to thereby effect chemical reaction through the interaction between said precursor (B) and said active species (C), and forming at least one layer of other thin films by introducing a gaseous starting material (a) for thin film formation and a gaseous halogenic oxidizing agent having the property of oxidation action for said starting material (a) into a reaction space to effect contact therebetween to thereby form chemically a p
    Type: Grant
    Filed: January 9, 1987
    Date of Patent: January 31, 1989
    Assignee: Canon Kabushiki Kaisha
    Inventors: Keisha Saitoh, Masaaki Hirooka, Junichi Hanna, Isamu Shimizu
  • Patent number: 4800173
    Abstract: Process for producing a valence electron controlled functional crystalline film by introducing (i) a film forming gaseous raw material, (ii) a halogen series gaseous oxidizing agent to oxidize the raw material (i), and (iii) a gaseous raw material to impart a valence electron controlling agent separtely into a reaction region of a film deposition space and chemically reacting them to generate plural kinds of precursors containing excited precursors and to let at least one kind of said precursors to act as a film forming supplier whereby said crystalline film is formed on a selected substrate being kept at a predetermined temperature in the film deposition space.
    Type: Grant
    Filed: February 18, 1987
    Date of Patent: January 24, 1989
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masahiro Kanai, Junichi Hanna, Isamu Shimizu
  • Patent number: 4798809
    Abstract: An improved photoelectromotive force member having desired photoelectric conversion layer prepared by the use of a substance capable of contributing to form a deposited film and an electronically oxidizing agent in the absence of a plasma. A process and an apparatus for preparing the same.
    Type: Grant
    Filed: December 8, 1986
    Date of Patent: January 17, 1989
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masaaki Hirooka, Shunichi Ishihara, Junichi Hanna, Isamu Shimizu
  • Patent number: 4798166
    Abstract: There is provided an apparatus for continuously preparing an improved light receiving element for photoelectromotive force member or image-reading photosensor comprising the plural number of continuously connected reaction chambers through opening and shutting gates for forming respective constituent layers for said light receiving element and a substrate conveying belt moving through the reaction chambers, each of the reaction chambers having a film forming space, a gas supplying means being extended into the film forming space through the upper wall of the reaction chamber, an exhausting means being disposed at the bottom portion of the reaction chamber and the substrate conveying and supporting means being positioned in the reaction chamber, the said gas supplying means having (a) a conduit for transporting (i) a gaseous substance capable of contributing to form a deposited film and (b) a conduit for transporting (ii) a gaseous oxidizing agent being so disposed that the gaseous substance (i) and the oxidiz
    Type: Grant
    Filed: December 19, 1986
    Date of Patent: January 17, 1989
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masaaki Hirooka, Shunichi Ishihara, Junichi Hanna, Isamu Shimizu
  • Patent number: 4766091
    Abstract: A method for producing an electronic device having a multi-layer structure comprising one or more controlled band gap semiconductor thin layers formed on a substrate comprises forming at least one of said controlled band gap semiconductor thin layers according to the photo CVD method and forming at least one of the other constituent layers according to the method comprising introducing a gaseous starting material for film formation and a gaseous halogenic oxidizing agent having the property of oxidizing said starting material into a reaction space to effect chemical contact therebetween to thereby form a plurality of precursors including a precursor in an excited state and transferring at least one of these precursors into a film forming space communicated with the reaction space as a feed source for the constituent element of the deposited film.
    Type: Grant
    Filed: December 24, 1986
    Date of Patent: August 23, 1988
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hirokazu Ohtoshi, Junichi Hanna, Isamu Shimizu
  • Patent number: 4751192
    Abstract: An improved image-reading photosensor having a desired photoelectric conversion layer prepared in the absence of a plasma by the reaction of a substance capable of contributing to form a deposited film and an electronically oxidizing agent. A process and an apparatus for preparing the improved image-reading photosensor.
    Type: Grant
    Filed: December 8, 1986
    Date of Patent: June 14, 1988
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masaaki Hirooka, Shunichi Ishihara, Junichi Hanna, Isamu Shimizu
  • Patent number: 4735822
    Abstract: A method for producing an electronic device having a multi-layer structure comprising one or more valence electron controlled semiconductor thin layers formed on a substrate, comprises forming at least one of said valence electron controlled semiconductor thin layers according to the photo CVD method and forming at least one of other constituent layers according to the method comprising introducing a gaseous starting material for film formation and a gaseous halogenic oxidizing agent having the property of oxidizing said starting material into a reaction space to effect chemical contact therebetween to thereby form a plurality of precursors including a precursor in an excited state and transferring at least one of these precursors into a film forming space communicated with the reaction space as a feed source for the constituent element of the deposited film.
    Type: Grant
    Filed: December 24, 1986
    Date of Patent: April 5, 1988
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hirokazu Ohtoshi, Masaaki Hirooka, Junichi Hanna, Isamu Shimizu
  • Patent number: 4657777
    Abstract: A method for forming a deposited film is provided which comprises forming a gas atmosphere containing an active species (a) obtained by decomposition of a silicon halide represented by the formula Si.sub.n X.sub.2n+2 (n is an integer of 1 or more and X represents a halogen atom) and at least one compound selected from the group of the compounds (A) consisting of acyclic silanes, silanes having cyclic structures, silanes containing an alkyl group and halo-substituted derivatives thereof in a film forming space (A) where a silicon-containing film is to be formed on a desired substrate, and then carrying out at least one of (1) exciting discharging in said gas atmosphere and (2) giving heat energy to said gas atmosphere, thereby forming a silicon-containing deposited film.
    Type: Grant
    Filed: January 22, 1986
    Date of Patent: April 14, 1987
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masaaki Hirooka, Shunichi Ishihara, Junichi Hanna, Isamu Shimizu
  • Patent number: 4536461
    Abstract: Disclosed is a laminated photosensitive material for the electrophotography, which comprises an electroconductive substrate, a charge-generating layer composed of a vacuum deposition film of metal-free phthalocyanine formed on the substrate and a charge-transporting layer formed on the charge-generating layer, wherein the metal-free phthalocyanine film is a metal-free phthalocyanine particle layer composed mainly of .alpha.-type fine crystals having a crystal particle size of 100 to 2000 .ANG. and the vacuum deposition film has a thickness of 500 to 3000 .ANG. and a dark electroconductivity lower than 10.sup.-10 (.OMEGA.-cm).sup.-1.In this laminated photosensitive material, the initial charge quantity is improved, and the electrophotographic characteristics are stabilized when the photosensitive materials is used repeatedly or continuously.
    Type: Grant
    Filed: June 15, 1984
    Date of Patent: August 20, 1985
    Assignee: Mita Industrial Co., Ltd.
    Inventors: Kaname Nakatani, Junichi Hanna, Hiroshi Kokado