1
Mitsuaki Maruyama: Ink jet printer. Epson Corporation, Kabushiki Kaisha Suwa Seikosha, Blum Kaplan Friedman Silberman and Beran, April 19, 1983: US04380770 (79 worldwide citation)

An ink jet printer includes pumped-forced circulation of ink through the printer head and a nozzle cap which together eliminate gas from the ink supply and overcome ink stagnation which adversely affect printing quality. Ink from a tank circulates through the printer head and returns to the tank whi ...


2
Hiroyuki Aizawa, Mitsuaki Maruyama, Shigeru Sawada, Yasuhiro Gyoutoku, Hiroshi Niki, Kouichi Higashimura, Kenji Aoki: Electrophotographic type image forming apparatus. Seiko Epson Corporation, Blum Kaplan, June 28, 1988: US04754293 (40 worldwide citation)

An image forming apparatus employing a face-down delivery system in which the plane of the recording medium at any position relative to any other position assumed by the recording medium beginning with a stacking tray and ending with a delivery tray does not exceed 90.degree.. The apparatus includes ...


3
Shigeru Sawada, Mitsuaki Maruyama, Kenji Sawada, Hitoshi Nakagawa, Jun Tsujimoto, Shinichi Kasai, Masahiko Takeshita, Satoshi Kaneta, Masahiro Koiwai, Hiroshi Niki: Electrophotographic recording apparatus. Seiko Epson Corporation, Cushman Darby & Cushman, January 21, 1992: US05083170 (15 worldwide citation)

An electrophotographic recording apparatus comprising these units which are arranged vertically: a sheet feeder for feeding a sheet of recording paper to a sheet feed inlet; an image forming unit for forming a printing image onto a photosensitive drum based on printing data and transferring the prin ...


4
Kazuo Ido, Mitsuaki Maruyama: Electronic timepiece calculator. Kabushiki Kaisha Suwa Seikosha, Blum Moscovitz Friedman & Kaplan, August 9, 1977: US04041295 (15 worldwide citation)

A calculator particularly suited for use in a small-sized electronic timepiece due to the reduction in size of the keyboard is provided. A small-sized electronic wristwatch having time-keeping circuitry and calculator circuitry includes an input circuit for supplying both data signals representative ...


5
Mitsuaki Maruyama, Hiroshi Niki, Shigeru Sawada, Seiji Mochizuki, Yasuhiro Gyoutoku: Page printer with electrically conductive lateral side plate. Seiko Epson Corporation, Cushman Darby & Cushman, March 19, 1991: US05001516 (14 worldwide citation)

A page printer is provided which includes a housing having a lateral side plate that is formed from an electrically conductive material, with a gate roller, a developing unit, a photosensitive drum unit, a fixing unit and a paper discharging roller mounted in the housing. The electronic circuitry fo ...


6
Mitsuaki Maruyama, Hiroshi Hiki, Shigeru Sawada, Seiji Mochizuki, Yasuhiro Gyoutoku: Page printer. Seiko Epson Corporation, Cushman Darby & Cushman, September 14, 1993: US05245357 (10 worldwide citation)

A page printer having a housing body and including a gate roller, a developing unit, a photosensitive drum unit, a fixing unit and a sheet discharging roller arranged on the front side of the housing body in the order stated from above so that the printing sheet conveying path is substantially verti ...


7
Mitsuaki Maruyama, Hiroshi Niki, Shigeru Sawada, Seiji Mochizuki, Yasuhiro Gyoutoku: Page printer. Seiko Epson Corporation, Cushman Darby & Cushman, July 10, 1990: US04941002 (10 worldwide citation)

In a page printer, a gate roller, a developing unit, a photo-sensitive drum unit, a fixing unit and a sheet discharging roller are mounted on the open front side of a housing body in the order stated from above, thus forming a substantially vertical sheet conveying path. As a result, the installatio ...


8
Shigeru Sawada, Mitsuaki Maruyama, Hiroshi Niki: Clamshell-type electrophotographic duplex printer. Seiko Epson Corporation, Cushman Darby & Cushman, October 26, 1993: US05257068 (7 worldwide citation)

An electrophotographic recording apparatus comprising a sheet feeder for feeding a sheet of recording paper to a sheet feed inlet; an image forming unit for forming a printing image onto a photosensitive drum based on printing data and transferring the printing image onto the sheet; and a fixing uni ...


9
Kazuyoshi Watanabe, Takashi Oguchi, Mitsuaki Maruyama, Mamoru Shimizu, Taketoshi Ichikawa: Management of working status with large-scaled display. Seiko Epson Corporation, Oblon Spivak McClelland Maier & Neustadt P C, May 24, 2005: US06898476 (6 worldwide citation)

The object of the present invention is to ensure information sharing in a factory and enhance the production efficiency. The management system of the present invention utilizes a liquid crystal projector PRJ to project an image of management information on a large-scaled display in the factory. A sc ...


10
Kazuo Ido, Mitsuaki Maruyama: Electronic timepiece calculator. Kabushiki Kaisha Suwa Seikosha, Blum Moscovitz Friedman & Kaplan, April 25, 1978: US04086654 (6 worldwide citation)

A calculator particularly suited for use in a small-sized electronic timepiece due to the reduction in size of the keyboard is provided. A small-sized electronic wristwatch having time-keeping circuitry and calculator circuitry includes an input circuit for supplying both data signals representative ...