1
Seiji Aida, Tsutomu Fujigamori, Hisashi Uraki, Ichiro Toyoda, Sunao Satake, Seiji Sawada, Yasuharu Iida: Recording fluid for ink-jet printing and process for the production thereof. Toyo Ink Manufacturing, Wenderoth Lind & Ponack, February 10, 1998: US05716435 (34 worldwide citation)

A water-dispersed inkjet recording liquid excellent in water resistance and transparency and also excellent in the property of ejection from a nozzle, containing, as a colorant, a water-based dispersion of an organic pigment (A) having an average particle diameter of 10 to 150 nm (measured by laser ...


2
Seiji Sawada, Sunao Satake, Yasuharu Iida, Seiji Aida, Yoshimitsu Ueno: Ink jet recording liquid. Toyo Ink Manufacturing, Oblon Spivak McClelland Maier & Neustadt P C, June 30, 1998: US05772746 (27 worldwide citation)

The present invention relates to an ink jet recording liquid obtained by dispersing a pigment in an aqueous medium, said aqueous medium comprising glycerol and 1,3-propanediol. The ink jet recording liquid of the present invention is capable of sustaining prolonged stable discharge onto the recordin ...


3
Hisashi Uraki, Seiji Sawada, Yasuharu Iida, Sunao Satake, Tsutomu Fujigamori, Seiji Aida: Inkjet recording liquid and process for the production thereof. Toyo Ink Manufacturing, Wenderoth Lind & Ponack L, February 29, 2000: US06031024 (23 worldwide citation)

An inkjet recording ink having excellent water resistance and having excellent ejection stability through a nozzle, which ink is obtained by dispersing colorant particles in a water-based liquid, the colorant particles being a product formed by coating each of resin particles having an average parti ...


4
Toshiyuki Uemura, Jun Kaneda, Eriko Suzuki, Takashi Negishi, Seiji Aida: Water-based pigment dispersion, use thereof and process for the production thereof. Toyo Ink Mfg, Wenderoth Lind & Ponack L, November 18, 2003: US06648954 (21 worldwide citation)

A water-based pigment dispersion comprising 100 parts by weight of a pigment, 3 to 30 parts by weight of a sulfonic acid group-containing pigment derivative and water, wherein the sulfonic acid group-containing pigment derivative has only one sulfonic acid group in a molecule of a pigment of which t ...


5
Hisashi Uraki, Ichiro Toyoda, Shigeyuki Ehashi, Seiji Aida, Yasuharu Iida, Seiji Sawada, Akio Sato: Water-based ink-jet recording fluid. Toyo Ink Manufacturing, Oblon Spivak McClelland Maier & Neustadt P C, October 26, 1999: US05972087 (15 worldwide citation)

By use of recording liquid for water based inkjet with pigment and colloidal silica, it is possible to obtain prints print recorded on plain paper with good clearness and high quality and image of the print recorded material with sufficient water resistance and light resistance.


6
Seiji Aida, Tsutomu Fujigamori, Hisashi Uraki, Ichiro Toyoda, Sunao Satake, Seiji Sawada, Yasuharu Iida: Inkjet recording liquid and process for the production thereof. Toyo Ink Manufacturing, Wenderoth Lind & Ponack L, May 22, 2001: US06235099 (7 worldwide citation)

A water-dispersed inkjet recording liquid excellent in water resistance and transparency and also excellent in the property of ejection from a nozzle, containing, as a colorant, a water-based dispersion of an organic pigment (A) which is at least one member selected from the group consisting of a qu ...


7
Kaori Nakano, Seiji Aida, Ken Yamasaki, Eriko Seki: Inkjet ink for polyvinyl chloride resin sheet. Toyo Ink Mfg, Oblon Spivak McClelland Maier & Neustadt L, March 1, 2011: US07897657 (3 worldwide citation)

Present invention relates to an inkjet ink used for a polyvinyl chloride resin sheet, wherein the inkjet ink comprises an organic solvent, a pigment and a vinyl chloride-vinyl acetate resin, the organic solvent is a mixed solvent comprising at least one compound selected from the group consisting of ...


8
Seiji Aida, Shinya Fujimatsu, Kaori Nakano, Shinichi Sato, Daisuke Tanabe: Pigment dispersion and use thereof. Toyo Ink Mfg, Oblon Spivak McClelland Maier & Neustadt P C, June 3, 2008: US07381760 (2 worldwide citation)

The invention relates to a pigment dispersion comprising: a condensate of or a salt between a polyallylamine and a polyester having a free carboxylic acid or the salt; a pigment derivative represented by the following general formula (1); a pigment; and an organic solvent, (P−X)−[N(R1, R2, R3, R4)]+ ...


9
Hitoshi Sugamo, Hiroki Nishina, Seiji Aida: Aqueous pigment paste for offset ink, process for producing the paste, and use thereof. Toyo Ink Manufacturing, Wenderoth Lind & Ponack L, March 16, 1999: US05882394 (2 worldwide citation)

The present invention relates to a aqueous pigment paste for an offset ink, which paste is suitable for producing an offset ink by a flushing method, a process for the production of the aqueous pigment paste, and an offset ink obtained by a flushing method. The aqueous pigment paste for an offset in ...


10
Eriko Seki, Seiji Aida, Yasuo Yoshihiro, Kaori Nakano, Ken Yamasaki: Maintenance liquid for inkjet printers. Toyo Ink Mfg, Oblon Spivak McClelland Maier & Neustadt L, September 10, 2013: US08530400 (1 worldwide citation)

Provided is a maintenance liquid for inkjet printers, which comprises at least one of glycol ethers and glycol esters represented by the following general formulas (1) to (3), and 45 to 10 mg/L of dissolved oxygen: R1CO(OR2)xOR3  General formula (1) R4CO(OR5)YOCOR6  General formula (2) R7(OR8)ZOR9   ...