1
Shinichi Yamaura, Keiichi Yoshioka, Kazuhiko Hara, Takao Katayama: Emulation system for emulating CPU core, CPU core with provision for emulation and ASIC having the CPU core. Ricoh Company, Woodcock Washburn Kurtz Mackiewicz & Norris, January 14, 1997: US05594890 (69 worldwide citation)

An IC is provided with a CPU core selected from a plurality of CPU cores, each of which has a specific function. Each CPU core has a system-bus terminal and a common emulator connecting-exclusive terminal. The IC is also provided with a predetermined function device connected to a system bus of the ...


2
Minoru Usui, Kazuhiko Hara, Yoshio Miyazawa, Yuji Tanaka, Fujio Akahane, Takahiro Katakura, Shinri Sakai, Yasushi Kishida, Tomoaki Abe, Toshiki Usui, Takeo Seino, Yoshikatsu Yamamoto: Ink jet recording head. Seiko Epson Corporation, Stroock & Stroock & Lavan, May 5, 1998: US05748214 (48 worldwide citation)

An ink supply communication path is formed so that one end thereof is arranged outside a region confronting a pressure producing chamber at a region confronting a reservoir chamber; and an ink supply constricted port is arranged at a portion of the ink supply communication path, the portion being re ...


3
Kazuhiko Hara, Minoru Usui, Kouichi Toba, Takao Kobayashi: Ink cartridge for ink jet recorder and method of manufacturing same. Seiko Epson Corporation, Stroock & Stroock & Lavan, November 6, 2001: US06312115 (46 worldwide citation)

An ink tank cartridge for use in an ink jet recorder has a container having exterior walls, a porous member is stored in the container, an ink supply port that extends through one of the exterior walls of the body to supply ink to the exterior of the cartridge, and a packing member, disposed within ...


4
Seiji Mochizuki, Takahiro Naka, Kazuhiko Hara, Akira Takagi, Yukihiro Hanaoka: Ink near-end detecting device.. Seiko Epson, August 7, 1991: EP0440110-A1 (32 worldwide citation)

In an ink near-end detecting device, a pair of electrodes (S1, S2) are arranged in the porous material (7) in the ink tank (8) and in the ink pool (12) provided below the ink tank (8), respectively, so that the time instant the ink in the porous material (7) has been nearly used up is detected from ...


5
Seiji Mochizuki, Takahiro Naka, Kazuhiko Hara, Akira Takagi, Yukihiro Hanaoka: Ink near-end detecting device. Seiko Epson Corporation, Sughrue Mion Zinn Macpeak & Seas, December 3, 1991: US05070346 (30 worldwide citation)

In an ink near-end detecting device, a pair of electrodes are arranged in the porous material in the ink tank and in the ink pool provided below the ink tank, respectively, so that the time instant the ink in the porous material has been nearly used up is detected from the variation of the electrica ...


6
Hidehiko Komatsu, Hiroto Nakamura, Hitoshi Ohta, Masahiro Yatake, Kazuhiko Hara: Method for manufacturing pigment dispersion, pigment dispersion obtained by this method, and ink jet recording ink using same. Seiko Epson Corporation, Ladas & Parry, February 25, 2003: US06524383 (28 worldwide citation)

Disclosed is a pigment dispersion that can be used for an ink jet printing-use pigment ink that affords stable printing characteristics and has excellent storage stability in an ink jet printer having a head driven at a high frequency and having finer nozzles in order to enhance image quality and ra ...


7
Yoshikatsu Yamamoto, Takaichi Wada, Nagamitsu Takashima, Motonori Okumura, Kazuhiko Hara, Yuji Tanaka, Takahiro Katakura, Kohji Watanabe: Using fusible films having windows supplied with adhesive and gap material. Seiko Epson Corporation, Sughrue Mion Zinn Macpeak & Seas PLLC, February 16, 1999: US05872583 (27 worldwide citation)

An ink supply port forming substrate 21, a common ink chamber forming substrate 25, and a nozzle plate 27 are bonded together, by inserting between them thermally fusible films 31and 32 respectively, in which are formed through holes 45 and 45 at two or more positions, and by also filling the film t ...


8
Yuji Tanaka, Takeo Seino, Kazuhiko Hara, Masahiro Isono, Seiji Mochizuki: Storage case for storing an ink jet printing unit, the ink jet printing unit including an ink jet recording head and cartridge. Seiko Epson Corporation, Sughrue Mion Zinn Macpeak & Seas PLLC, September 8, 1998: US05805181 (25 worldwide citation)

An ink jet print unit storing case having a case main body 30 with a cap 40 and a cover member 32 with a plate spring 46. The case main body 30 has the cap 40 at a position confronting a recording head 12 when a print unit 6 is accommodated in the case main body 30. The cap 40 not only is such that ...


9
Hitoshi Ota, Hidehiko Komatsu, Kazuhiko Hara, Masahiro Yatake: Process for the preparation of pigment dispersion, pigment dispersion obtained by the same, ink jet recording ink comprising the same, and recording method and recorded material using the same. Seiko Epson Corporation, Ladas & Parry, July 12, 2005: US06916862 (21 worldwide citation)

Provided is a process for the preparation of a pigment dispersion which comprises a pigment surface treatment step of introducing at least one hydrophilic dispersibility-providing group onto the surface of a pigment directly and/or with the interposition of a polyvalent group, and a dispersion step ...


10
Nobuhito Takahashi, Kazuhiko Hara, Yukihiro Uchiyama: Ink jet recording apparatus and cleaning control method for the same. Seiko Epson Corporation, Sughrue Mion PLLC, April 2, 2002: US06364449 (21 worldwide citation)

An ink jet recording apparatus comprises: at least one recording head having a face on which a plurality of nozzle orifices are formed, the recording head mounted on a carriage to be moved reciprocatively in the widthwise direction of a recording sheet; a capping device disposed in a non-print regio ...