Patents by Inventor Masao Ishihara

Masao Ishihara 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: 4836324
    Abstract: A saddle type vehicle for running on an uneven ground includes a swing type engine unit whose pivot is positioned before a center of the wheel base of the vehicle. The vehicle includes a lower member disposed opposite to a lower surface of the engine unit and includes a frame connected by coupling the lower member and an upper member by a bridge member surrounding a main portion of the engine unit.
    Type: Grant
    Filed: May 12, 1988
    Date of Patent: June 6, 1989
    Assignee: Suzuki Motor Co., Ltd.
    Inventors: Masataka Morita, Masao Ishihara, Mitsuru Tachikawa
  • Patent number: 4255515
    Abstract: A photographic film which comprises (A) a support, having two sides, (B) at least one light-sensitive emulsion layer on one side of said support (A), and, (C) at least one layer containing a compound represented by formula [I]and a hydrophobic polymer (first layer) and at least one layer containing an antistatic agent (second layer), said first and second layers being placed on the other side of said support (A) and said first layer being placed closer to said support (A) than said second layer: ##STR1## wherein, R.sub.1 represents a carboxylic acid residue having from 12 to 24 carbon atoms and R.sub.2, R.sub.3 and R.sub.4 represent independently hydrogen atoms or organic acid residues having from 1 to 24 carbon atoms.
    Type: Grant
    Filed: November 13, 1978
    Date of Patent: March 10, 1981
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Toshiaki Shibue, Koichi Nagayasu, Masayoshi Mayama, Masao Ishihara, Naoto Abe
  • Patent number: 4242444
    Abstract: A process for the preparation of a silver halide photographic material is disclosed which provides for the formation of a photographic layer by the use of a coating solution containing a compound represented by formula I or II.C.sub.3n F.sub.(6n)-1 --Y--A--B (I)C.sub.3n F.sub.(6n)-1 --Y--A--X--A--Y--C.sub.3n F.sub.(6n)-1 (II)wherein A represents a simple bond or a divalent group; Y represents oxygen or sulfur, or ##STR1## B represents a monovalent hydrophilic group; X represents a divalent hydrophilic group; n represents an integer of 1 to 4; R.sub.1 represents hydrogen, a lower alkyl group; and A' represents a simple bond or an alkylene group.
    Type: Grant
    Filed: June 30, 1978
    Date of Patent: December 30, 1980
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Teiji Habu, Masao Ishihara, Sadatugu Terada, Eiichi Sakamoto, Hiroshi Yamada
  • Patent number: 4228336
    Abstract: A method of manufacturing a stay ring for a water turbine or pump turbine having an upper annular disc, a lower annular disc and a plurality of circumferentially equal-distantly spaced stay vanes extending between the upper and lower annular discs.
    Type: Grant
    Filed: May 31, 1978
    Date of Patent: October 14, 1980
    Assignee: Hitachi, Ltd.
    Inventors: Tetsuo Okuni, Masao Ishihara, Takeshi Wada
  • Patent number: 4200465
    Abstract: An antistatic light-sensitive silver halide photographic element having an addition copolymer of glycidol and ethylene oxide with a phenol-aldehyde condensate as the antistatic agent, is described.
    Type: Grant
    Filed: August 16, 1978
    Date of Patent: April 29, 1980
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Norio Chiba, Hideyuki Anzai, Hisashi Yamaguchi, Koichi Horigome, Masao Ishihara, Sadatugu Terada
  • Patent number: 4192683
    Abstract: A photographic light-sensitive material comprising a layer which contains a compound represented by the following Formula I ##STR1## wherein R.sub.1 is an alkyl group having 1 to 18 carbon atoms, R.sub.2 is a hydrogen atom or an alkyl group having 1 to 18 carbon atoms with a proviso that when R.sub.2 is a hydrogen atom, R.sub.1 is an alkyl group having 1 to 7 carbon atoms, M is a cation and n is a number of 1 to 50.
    Type: Grant
    Filed: October 18, 1977
    Date of Patent: March 11, 1980
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Eiichi Sakamoto, Masao Ishihara, Kazuo Nakazato, Hiroshi Yamada, Sadatugu Terada, Kenichi Kitahara, Naoto Abe, Mamoru Komiya, Masaru Kanbe
  • Patent number: 4154615
    Abstract: A color diffusion transfer photographic unit is disclosed which contains a silver halide photosensitive element having a support and at least one silver halide emulsion layer thereon and an image receiving element having a support and an image receiving layer thereon wherein the unit contains a polymer having a first monomer which contains a tertiary nitrogen atom wherein at least 5 mole % of said first monomer is grafted and/or graft-copolymerized with a second monomer which is a vinyl monomer having a tertiary or quaternary nitrogen.
    Type: Grant
    Filed: June 22, 1977
    Date of Patent: May 15, 1979
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Yuzuru Sato, Masao Asano, Masao Ishihara, Sadatugu Terada
  • Patent number: 4149890
    Abstract: There is disclosed an improvement in a diffusion transfer photographic material having a transparent support, a receiving layer, a silver halide emulsion layer, and a neutralization layer, wherein the neutralization layer contains a copolymer containing fluorine.
    Type: Grant
    Filed: June 8, 1977
    Date of Patent: April 17, 1979
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Yuzuru Sato, Masao Asano, Masao Ishihara, Sadatugu Terada
  • Patent number: 4142899
    Abstract: The present invention relates to a color diffusion transfer photographic unit containing a silver halide photosensitive element, and an image receiving element wherein said unit contains a copolymer containing two monomers. The first monomer is noted for having quaternary nitrogen while the second monomer is required to have at least one fluorine atom.
    Type: Grant
    Filed: June 22, 1977
    Date of Patent: March 6, 1979
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Yuzuru Sato, Masao Asano, Masao Ishihara, Sadatugu Terada
  • Patent number: 4127413
    Abstract: A method for adding oil-soluble photographic addenda in the form of their solution in a high boiling organic solvent to a hydrophilic colloidal solution for forming a layer of a light-sensitive silver halide photographic material in the homogeneously dispersed state, is described.
    Type: Grant
    Filed: February 2, 1978
    Date of Patent: November 28, 1978
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Masao Ishihara, Ryoichiro Kobayashi, Tugumoto Usui, Takayoshi Omura
  • Patent number: 4050940
    Abstract: A process for improving the coating of photographic materials by substantially removing coating irregularities and applying more uniform coatings is described.
    Type: Grant
    Filed: March 10, 1976
    Date of Patent: September 27, 1977
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Teiji Habu, Masao Ishihara, Eiichi Sakamoto, Hiroshi Yamada, Masaaki Kaneshige
  • Patent number: 3951662
    Abstract: Supported silver halide photosensitive materials comprising an antistatic additive which comprises a glycidol poly-addition product of a phenol-aldehyde condensate.
    Type: Grant
    Filed: November 15, 1973
    Date of Patent: April 20, 1976
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Norio Chiba, Masao Ishihara, Sadatsugu Terada, Koichi Horigome, Kyusaku Yoshida, Kenichi Taguchi, Mitate Matsui