1
Kitahara Tsuyoshi C O Seiko Ep, Kumai Eiji C O Seiko Epson Cor, Hirabayashi Hiromu C O Seiko E, Kanbayashi Kenichi C O Seiko E, Watanabe Kohji C O Seiko Epson: Printer having line-type ink jet recording head.. Seiko Epson, December 29, 1993: EP0575983-A2 (31 worldwide citation)

Described is a printer using a line-type ink jet recording head. The line-type head (1) has pressure producing chambers (34) formed by dividing nozzle openings (31) extending in a recording paper width direction with vertical side walls and upper and lower ink flow paths (46,47) which communicate wi ...


2
Kanbayashi Kenichi, Niimura Hiroe, Kumagai Toshio, Fukushima Toru: Ink jet recorder and method of cleaning recording head. Seiko Epson, June 5, 1996: EP0714778-A1 (16 worldwide citation)

An ink jet recording head (8) comprises two common ink chambers (26, 27) communicating with both sides of a pressure generating chamber (24), and ink supply ports (30, 31), through which ink flows into the respective common ink chambers (26, 27) from the outside. One of the ink supply ports (30) is ...


3
Fukushima Tohru C O Seiko Epso, Kanbayashi Kenichi C O Seiko E, Kumai Eiji C O Seiko Epson Cor: Ink-jet printer.. Seiko Epson, June 22, 1994: EP0602646-A2 (16 worldwide citation)

An ink jet printer in which hardened ink is readily and reliably removed from a nozzle plate (11). The ink jet printer includes a print head (1) having a plural number of nozzle openings (12) arrayed in the width direction of a recording paper (26), a head drive circuit (30; 51, 52) for selectively ...


4
Chang Junhua, Kanbayashi Kenichi, Niimura Hiroe, Saruta Toshihisa, Nakamura Haruo: Ink-jet type recording device.. Seiko Epson, December 15, 1993: EP0574016-A2 (14 worldwide citation)

Disclosed is an ink-jet type recording device comprising a drive signal generation circuit (84) for generating trapezoidal drive signal in synchronization with a timing signal applied from an external device, switching transistors (85) respectively for outputting a drive signal to piezoelectric vibr ...


5
Kanbayashi Kenichi, Kumagai Toshio, Kosugi Yasuhiko: Method and apparatus for ink jet recording. Seiko Epson, July 9, 1997: EP0782924-A1 (14 worldwide citation)

The recording device of an ink jet type comprises a drive voltage generation circuit which, in synchronization with a timing signal given from outside, generates a first drive voltage having a trapezoidal wave form, a drive circuit which outputs a first drive voltage to a piezo-vibrator in accordanc ...


6
Nakamura Hiroto, Tsukahara Michinari, Yamazaki Hideo, Komatsu Hidehiko, Ozawa Yoshiyuki, Fujisawa Kazutoshi, Kanbayashi Kenichi: Ink composition for ink jet recording and ink jet recording process. Seiko Epson, April 9, 1997: EP0767225-A2 (14 worldwide citation)

An ink composition for ink jet recording is described comprising a pigment, a resin dispersant, a thermoplastic resin emulsion and water, wherein the weight ratio of the pigment to the resin dispersant is from 20 : 1 to 5 : 2. The foregoing ink composition is little susceptible to irregular bleeding ...


7
Kanbayashi Kenichi, Fukushima Tohru, Uehara Fumie, Matsuzaki Makoto, Ohshima Toshiaki, Fukasawa Shigenori: Hot melt ink composition.. Seiko Epson, October 20, 1993: EP0565735-A1 (10 worldwide citation)

A hot melt ink composition which can provide an excellent fixation strength and a high printing quality irrespective of the kind of recording media. This composition is discharged as droplets at a temperature higher than normal temperature, is solid at normal temperature, and comprises a colorant an ...


8
Kanbayashi Kenichi, Matsuzaki Makoto, Kanai Fumiyuki, Uehara Fumie, Kawakami Ikuko: Hot-melt ink composition.. Seiko Epson, March 18, 1992: EP0475707-A2 (5 worldwide citation)

A hot-melt ink composition for an ink jet printer, comprising a coloring agent, and a vehicle which comprises a dialkylbenzenesulfonamide, a monoalkylbenzenesulfonamide, and a resin; and a hot-melt ink composition comprising from 10 to 30 wt.% of a coloring agent, and a vehicle. These ink compositio ...


9
Cho Shunka, Kanbayashi Kenichi, Niimura Hiroe, Nakamura Haruo, Saruta Toshihisa: Method for recovering ink-droplet discharging capacity of ink jet recording head, and ink jet recorder. Seiko Epson, January 8, 2003: JP2003-001857 (4 worldwide citation)

PROBLEM TO BE SOLVED: To suppress the quantity of ink to be discharged when discharge capacity is recovered.SOLUTION: A pressure generating chamber is expanded/contracted by displacement of a piezoelectric vibrator, in order to oscillate a meniscus M near a nozzle opening 31 and agitate the ink, exi ...


10
Kanbayashi Kenichi, Kumagai Toshi, Kosugi Yasuhiko, Kumagai Toshio: Recording method for use in ink jet type recording device and ink jet type recording device. Seiko Epson, May 17, 2000: EP1000742-A2 (3 worldwide citation)

The present invention relates to a printing method and a recording device of an ink jet type apparatus which includes a recording head 6 including a nozzle opening 11 for jetting out ink drops for forming dots on a recording medium 5, a pressure generation chamber 13 formed in communication with the ...