1
Koichiro Jinnai, Masanori Horike, Kyuhachiro Iwasaki, Yutaka Kodama: Ink-jet recording apparatus. Ricoh, Burgess Ryan & Wayne, October 6, 1981: US04293865 (57 worldwide citation)

A voltage is applied to a plurality of electromechanical transducers mounted on a plurality of nozzles, respectively, so that a meniscus may be formed at the nozzle tip. One or more opposing electrodes or rear transducers are disposed in opposed relationship with a predetermined number of nozzles, r ...


2
Koichiro Jinnai, Masanori Horike, Kyuhachiro Iwasaki, Yutaka Kodama: Ink jet printing apparatus with ink replenishing. Ricoh Company, David G Alexander, December 11, 1979: US04178595 (55 worldwide citation)

A first ink tank (17) is attached to a movable ink jet printing head (12) for supplying ink thereto. A second ink tank (28) which is larger than the first ink tank (17) is fixedly mounted at an end of a carriage (19) which supports the printing head (12). After the printing head (12) prints a line, ...


3
Kouichi Ohtaka, Seiichi Katoh, Takeshi Nanjyo, Masanori Horike, Eiichi Ohta: OPTICAL MODULATOR, OPTICAL MODULATOR MANUFACTURING METHOD, LIGHT INFORMATION PROCESSING APPARATUS INCLUDING OPTICAL MODULATOR, IMAGE FORMATION APPARATUS INCLUDING OPTICAL MODULATOR, AND IMAGE PROJECTION AND DISPLAY APPARATUS INCLUDING OPTICAL MODULATOR. Ricoh Company, Oblon Spivak McClelland Maier & Neustadt P C, September 20, 2005: US06947195 (42 worldwide citation)

A center beam which is formed out of a thin film constituted to be combined with a light reflection film provided on one surface of the center beam, which has both ends fixed and which is deformed by an electronic force; a substrate electrode which is opposed to the center beam through a gap formed ...


4
Masanori Horike, Koichiro Jinnai, Kyuhachiro Iwasaki, Yutaka Kodama: Ink jet printing apparatus. Ricoh Company, David G Alexander, October 14, 1980: US04228440 (39 worldwide citation)

Ink is fed to an ink jet printing head (12) from which it is ejected into a sheet of printing paper (19). A plurality of capacitive ultrasonic vibrators (29), (31) are provided inside the printing head (12) to atomize ink therein prior to ejection. The ultrasonic vibrators (29), (31) are connected i ...


5
Yohichiro Miyaguchi, Nobuaki Kondoh, Takeshi Takemoto, Katsuo Sakai, Masanori Horike: Electrostatic transportation device, development device and image formation apparatus. Ricoh Company, Oblon Spivak McClelland Maier & Neustadt P C, March 16, 2004: US06708014 (34 worldwide citation)

An electrostatic transportation device is provided with a transporting base plate having a plurality of electrodes which generate an electric field which performs transporting and hopping of fine particles by an electrostatic force, wherein a width of each of the electrodes in a travelling direction ...


6
Masanori Horike, Isamu Shibata, Ikuo Maeda: Optoelectronic sensing apparatus. Ricoh Company, David G Alexander, November 6, 1979: US04173402 (30 worldwide citation)

First and second optical systems each comprise identical converging lenses which focus light images of an object onto identical photosensor arrays, the lenses being parallel. First and second mirrors reflect the light images from the respective lenses onto the respective arrays. The first mirror is ...


7
Osamu Naruse, Sadao Kakeno, Chuji Ishikawa, Satoshi Sekimoto, Masanori Horike: Charge and deflection control type ink jet printer. Ricoh Company, Oblon Fisher Spivak McClelland & Maier, July 11, 1989: US04847631 (27 worldwide citation)

A charge and deflection control type ink jet printer in which at least an ink jet head section, a charging section and a deflecting section are configured in a single replaceable module, or unit. The user of the printer may replace the module without the help of a serviceman. The replaceable unit is ...


8
Takuro Sekiya, Takashi Kimura, Masanori Horike, Shuji Motomura, Masami Kadonaga: Liquid jet recording head having improved radiator member. Ricoh Company, Cooper & Dunham, February 4, 1997: US05600356 (26 worldwide citation)

A liquid jet recording head includes a liquid path member having a plurality of liquid flow paths, each of the liquid flow paths being filled with a recording liquid, an orifice being formed at an end of each of the liquid flow paths, and a heater base member having a plurality of heater members and ...


9
Katsuo Sakai, Masanori Horike, Yohichiro Miyaguchi, Nobuaki Kondoh: Developing apparatus, developing method, image forming apparatus, image forming method and cartridge thereof. Ricoh Company, Oblon Spivak McClelland Maier & Neustadt P C, May 31, 2005: US06901231 (25 worldwide citation)

A developing device including a latent image supporter. Powder is adhered on the latent image supporter to develop a latent image on the latent image supporter and a transporting member is arranged opposite to the latent image supporter. A plurality of electrodes are formed in the transporting membe ...


10
Takuro Sekiya, Takashi Kimura, Masanori Horike, Yoshio Watanabe, Shuji Motomura, Eiko Suzuki, Takayuki Yamaguchi, Masami Kadonaga: Method and apparatus for making liquid drop fly to form image by generating bubble in liquid. Ricoh, Cooper & Dunham, May 2, 1995: US05412413 (25 worldwide citation)

A liquid jet recording head includes a base member, a liquid layer maintained on the base member and a plurality of heater elements, arranged in a line on the base member, for supplying energy to liquid adjacent thereto, the energy operation portions being put under the liquid layer. A method for ma ...