1
Nachio Seko, Tatsuo Tani, Hiroyuki Idenawa, Takashi Yano, Isao Nakamura: Copying apparatus. Ricoh Company, David G Alexander, April 22, 1986: US04583834 (147 worldwide citation)

A plurality of copying machines (12), (13), (14) are connected to a computer (39). Each copying machine (12), (13), (14) comprises sensor means (16), (17), (18), (19), (21), (22), (23), (24) for sensing various operating parameters thereof such as a total number of copies produced, machine malfuncti ...


2
Takashi Yano, Tatsuo Tani, Nachio Seko, Hiroyuki Idenawa, Isao Nakamura: Electrostatic copying system having monitoring devices. Ricoh Company, David G Alexander, September 11, 1979: US04167322 (81 worldwide citation)

A plurality of electrostatic copying machines (12), (13), (14), (16) are interconnected by bus lines (19), (21), (22). Each copying machine (12), (13), (14), (16) is provided with a sensor unit (23) for sensing various status parameters of the copying machine (12), (13), (14), (16) such as whether t ...


3
Masumi Ikesue, Takashi Yano, Susumu Tatsumi, Hiroyuki Idenawa, Isao Nakamura, Tatsuo Tani: Variable magnification electrostatic copying machine. Ricoh Company, David G Alexander, July 7, 1981: US04277163 (44 worldwide citation)

The vertical and horizontal lengths of an original document (28) are automatically sensed and compared with the vertical and horizontal lengths of a copy sheet (38) and the reduction ratio of a variable magnification optical system (33) is automatically adjusted in accordance therewith so that the m ...


4
Hiroyuki Idenawa, Hideaki Mochimaru: Imaging apparatus with detachable cartridges. Ricoh Company, Oblon Fisher Spivak McClelland & Maier, July 12, 1988: US04757344 (40 worldwide citation)

Disclosed is an electronic copier, lazer printer or like imaging apparatus for developing a latent image provided on a photoconductive element by a developing device of the type using a toner cartridge, thereby turning the latent image into a visible toner image. A body of the apparatus consists of ...


5
Masanaka Nagamoto, Takanori Motosugi, Toshinobu Iwata, Hiroyuki Idenawa: Heat activation method for thermosensitive adhesive label, and heat activation apparatus and label printer for the same. Ricoh Company, February 29, 2000: US06031553 (32 worldwide citation)

A heat activation method for activating a thermosensitive adhesive label having a support and a thermosensitive adhesive layer which is provided on the support and is not adhesive at room temperature, so as to make the thermosensitive adhesive layer adhesive with the application of heat thereto, inc ...


6
Hiroyuki Idenawa, Hideaki Mochimaru, Hajime Kanda, Nobuhiro Makita, Yoshiaki Tanaka, Takahiro Yagisita, Takanori Yamaki, Takeshi Motohashi, Masayoshi Miyamoto, Hisao Ishizu, Yasuhiro Sagawa, Tadaaki Kanno, Tomoo Sankoda, Hiroshi Hosokawa, Hideo Aoki, Takami Suzuki, Hiromi Takada, Toshio Shimazaki: Electrostatic recording apparatus. Ricoh Company, Copper & Dunham, October 17, 1989: US04875063 (28 worldwide citation)

A laser printer or like electrostatic recording apparatus of the type developing an electrostatic latent image provided on a photoconductive drum by toner which is conveyed by a developing roller. Various devices of the apparatus including the photoconductive drum and developing roller are separated ...


7
Hideaki Mochimaru, Hiroyuki Idenawa, Nobuhiro Makita, Yoshiaki Tanaka, Masayoshi Miyamoto, Hajime Kanda: Electrostatic printing apparatus with heated adjustable pressure toner fixing rolls. Ricoh Company, Cooper & Dunham, June 28, 1988: US04753543 (24 worldwide citation)

An electrostatic printing apparatus capable of printing both normal sheets of paper and composites such as envelopes. In accordance with a mode in which normal sheets are printed and with the other mode in which envelopes are printed, transfer current applied to a transfer charger, fixing pressure a ...


8
Hiroyuki Idenawa: Sheet feeder for an image recording apparatus. Ricoh Company, Oblon Spivak McClelland Maier & Neustadt, January 30, 1990: US04896871 (20 worldwide citation)

A sheet feeder for a laser printer or similar image recording apparatus which is selectively operable in an automatic sheet feed mode and a manual sheet feed mode includes a manual feed guide plate which is located above a feed tray or a cassette. A presser member is mounted on the guide plate to be ...


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Hidehiko Fujiwara, Hideyo Watanabe, Hiroyuki Idenawa: Automatic cut-sheet feeding apparatus. Ricoh Company, Cooper & Dunham, October 22, 1991: US05058877 (19 worldwide citation)

An automatic cut-sheet feeding apparatus includes a feed roller which rotates in a direction so as to feed in and feed out an upper most cut-sheet, and means for stopping the feeding of excessive cut-sheets which should not be fed out together with the uppermost cut-sheet when a plurality of cut-she ...



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