1
Hitoshi Nishihama, Katsuhiko Gotoda, Minoru Motomura, Takanobu Nakajima, Tatsuo Aizawa: Method for developing electrostatic latent images. Mita Industrial, Sherman & Shalloway, March 28, 1978: US04081571 (38 worldwide citation)

Method and apparatus for developing an electrostatic latent image formed on the surface of an electrostatic latent image-bearing material by applying a powdery developer, wherein the surface of a developer-retaining member retaining a layer of the powdery developer thereon is brought into rolling co ...


2
Hiroshi Takayama, Tatsuo Aizawa: Magnetic dry developer for electrostatic photography and process for preparation thereof. Mita Industrial Company, Sherman & Shalloway, August 22, 1978: US04108786 (37 worldwide citation)

A magnetic toner for electrostatic photography consisting essentially of spherical particles of a composition comprising a fine powder of a magnetic material having an average particle size not exceeding 1000 m.mu. and being dispersed in a binder resin, said powdery magnetic material being present i ...


3
Hiroshi Takayama, Tatsuo Aizawa: Magnetic developer for electrostatic photography and process for preparation thereof. Mita Industrial Company, Sherman & Shalloway, April 4, 1978: US04082681 (32 worldwide citation)

A developer for electrostatic photography comprising as indispensable components a fine powder of a magnetic material and a binder resin, said developer consisting essentially of a dry blend of (A) substantially spherical particles of a composition comprising a medium of said binder resin and said f ...


4
Mamoru Kato, Shoji Matsumoto, Tatsuo Aizawa: Method for preparing original for projection and transfer film for electrostatic photography for use in carrying out said method. Mita Industrial Company, Sherman & Shalloway, January 25, 1983: US04370379 (26 worldwide citation)

A transfer film comprising a transparent plastic film substrate, an undercoating layer composed of an electrically conductive resin and having a surface resistance of 1.0.times.10.sup.6 to 9.0.times.10.sup.9 .OMEGA., and a toner receiving layer composed of a binder resin and having a surface resista ...


5
Shoji Matsumoto, Toshikazu Matsui, Toshimitsu Ikeda, Nobuhiko Kozuka, Hitoshi Nishihama, Tatsuo Aizawa: Electrostatic copying process. Mita Industrial Company, Wenderoth Lind & Ponack, March 3, 1981: US04254202 (25 worldwide citation)

An electrostatic copying apparatus has a housing having at its top surface a transparent plate on which to place an original to be copied, a rotary drum disposed within the housing and having a photosensitive member on its surface, a charging, a developing, a transferring and a cleaning mechanism wh ...


6
Hiroshi Takayama, Tatsuo Aizawa: Pressure-fixing magnetic developer containing hydrogenated polystyrene binder for electrostatic photography and process for preparation thereof. Mita Industrial, Sherman & Shalloway, July 11, 1978: US04100087 (21 worldwide citation)

A pressure fixing developer for electrostatic photography comprising a finely divided magnetic material and a binder as effective components and consisting essentially of substantially spherical particles of said finely divided magnetic material dispersed in a solid medium of said binder, said binde ...


7
Takaji Washio, Tatsuo Aizawa: Electrophotographic copying machine. A Yates Dowell Jr, April 13, 1976: US03950090 (18 worldwide citation)

An electrophotographic copying machine of the type in which the optical system is fixed in the machine frame, an original to be copied is placed on a moving support disposed at the upper portion of the machine frame and a sheet of electrophotographic copying paper is introduced, synchronously with t ...


8
Takanobu Nakajima, Toshikazu Matsui, Tatsuo Aizawa: Contact heat fixing device. Mita Industrial, Wenderoth Lind & Ponack, August 30, 1977: US04045165 (17 worldwide citation)

A contact heat fixing device which comprises a driving heated roller having a heating mechanism disposed in the interior thereof and a surface coated with an offset preventing material, a press roller which is rotated in intimate contact under pressure with said heat roller, a vessel for containing ...


9
Hitoshi Nishihama, Katsuhiko Gotoda, Minoru Motomura, Takanobu Nakajima, Tatsuo Aizawa: Apparatus for causing a developer powder to make an irregular motion in a developing zone. Mita Industrial Company, Sherman & Shalloway, November 21, 1978: US04126100 (16 worldwide citation)

An apparatus for developing an electrostatic latent image formed on the surface of an electrostatic latent image-bearing material by applying a powdery developer, wherein means are provided for bringing the surface of a developer-retaining member retaining a layer of the powdery developer thereon in ...


10
Shoji Matsumoto, Toshikazu Matsui, Toshimitsu Ikeda, Nobuhiko Kozuka, Hitoshi Nishihama, Tatsuo Aizawa: Electrostatic copying process and apparatus. Mita Industrial Company, Wenderoth Lind & Ponack, September 1, 1981: US04286861 (16 worldwide citation)

An electrostatic copying apparatus has a housing having at its top surface a transparent plate on which to place an original to be copied, a rotary drum disposed within the housing and having a photosensitive member on its surface, a charging, a developing, a transferring and a cleaning mechanism wh ...