1
Masao Suzuki: Image recording apparatus. Riso Kagaku Corporation, Donald R Studebaker, Nixon Peabody, March 11, 2003: US06530519 (96 worldwide citation)

An image recording apparatus includes a main body provided with a control unit and a consumable which is mounted on the main body to be replaceable and forms a component of the image recording apparatus. The consumable is provided with an information memory in which electronic data representing info ...


2
Watanabe Hidetoshi: Method of and apparatus for controlling thermal head. Riso Kagaku, February 19, 2003: EP1284196-A2 (66 worldwide citation)

A thermal head is provided with a plurality of heater elements which are arranged in a main scanning direction. The heater elements are selectively energized according to black and white information for the pixels to be formed by the respective heater elements. Each heater element corresponding to a ...


3
Takanori Hasegawa, Shuntaro Yoshida, Susumu Oshio: Stencil duplicator providing automatic stencil performation, charging, printing, and disposal. Riso Kagaku Corporation, Stevens Davis Miller & Mosher, December 16, 1986: US04628813 (45 worldwide citation)

The stencil duplicator includes: a cylindrical porous rotary printing drum and a means for selectively rotating it in a preferred direction; a means for clamping the leading edge of a stencil master along a generator of the printing drum; a means for supplying printing ink to the inner surface of th ...


4
Masaki Bando, Kenichi Sukegawa, Hiromiti Yamada, Mitsutsugu Masuda, Yukio Okada, Mitsuyoshi Yukawa, Nobuyuki Sato: Thermal stencil master sheet and adhesive therefor. Riso Kagaku Corporation, Fay Sharpe Beall Fagan Minnich & McKee, October 9, 1990: US04961377 (36 worldwide citation)

A thermal stencil master sheet for stencil printing has a thermoplastic synthetic resin film which is perforatable with heat and a porous substrate, which is substantially unchanged by the heat. The film is bonded to the substrate with a urethane adhesive, preferably composed mainly of a specific ur ...


5
Takanori Hasegawa: Disposal device for paper documents. Riso Kagaku Corporation, Dickstein Shapiro & Morin, February 23, 1993: US05188301 (35 worldwide citation)

In the disposal device for paper documents according to the present invention, the feeding of paper that is to be disposed can be done either automatically with a feeding unit or manually from a manual inlet. Therefore, the disposal of sensitive paper documents can be carried out sheet by sheet by p ...


6
Watanabe Hidetoshi: Method and apparatus for controlling thermal head. Riso Kagaku, February 18, 2003: JP2003-048337 (30 worldwide citation)

PROBLEM TO BE SOLVED: To suppress irregularities of heating temperatures of heating units and prevent boring failures without decreasing the durability of a thermal head in a thermal plate making apparatus. SOLUTION: An auxiliary heating control of minutely heating pixels (area 30) by a level not to ...


7
Yoshitaka Tanaka, Hideo Negishi: Stencil printing machine and stencil printing drum. Riso Kagaku Corporation, Kanesaka & Takeuchi, January 16, 2001: US06173646 (29 worldwide citation)

A stencil printing machine has a printing drum having a cylindrical circumferential wall adapted to receive a perforated stencil sheet wrapped on an outer circumferential surface thereof and driven to rotate around a central axis thereof the circumferential wall having an opening portion with many t ...


8
Noboru Hayama, Yoshiharu Ohinata, Kazuo Sakamoto: Rotary stencil printer having printing drum having outer peripheral wall portion substantially made of only net material. Riso Kagaku Corporation, Stevens Davis Miller & Mosher, March 27, 1990: US04911069 (28 worldwide citation)

In a rotary stencil printer having a printing drum supported to be rotatable about a central axis thereof and having a cylindrical outer surface adapted to bear a perforated stencil sheet as attached therearound and formed with openings for supplying ink to an inside surface of the perforated stenci ...


9
Noboru Inamine: Interface system. Riso Kagaku Corporation, Nixon Peabody, Donald R Studebaker, March 6, 2001: US06196735 (28 worldwide citation)

An interface system transmits printing data from a computer to a stencil printer and transmits status information on the stencil printer to the computer. A previously-transmitted status information memory stores status information on the stencil printer which has been previously transmitted to the c ...


10
Sadanao Okuda, Takahito Tojima, Takashi Isozaki: Method and device for post-processing a printed image in a printing device. Riso Kagaku Corporation, Dickstein Shapiro & Morin, December 19, 1995: US05476043 (27 worldwide citation)

The occurrence of offsetting and strike-through in a stencil printing device is prevented without creating any new problems, and the printing paper is allowed to be conveyed with a pair of rollers interposing the printing paper for a reliable paper ejection process. Printing paper P is passed throug ...