Toshiyuki Uemura, Tsukasa Iguchi, Mikiya Kato, Akimitsu Mochizuki: Self-dispersible aqueous pigment dispersion. Toyo Ink Mfg, Oblon Spivak McClelland Maier & Neustadt P C, September 17, 2002: US06451103 (24 worldwide citation)

There is disclosed a self-dispersible aqueous pigment dispersion and preparing method thereof, the dispersion comprising an aqueous solution, particles of a pigment and a water-soluble pigment derivative, said particles being dispersed in the aqueous pigment dispersion in a concentration within the ...

Atsushi Endo, Akimitsu Mochizuki, Michichika Hikosaka, Tsutomu Fujigamori: Pigment dispersing agent and its use. Toyo Ink Manufacturing, Wenderoth Lind & Ponack, May 30, 1995: US05420187 (15 worldwide citation)

A pigment-dispersing agent obtained by polymerizing an addition-polymerizable monomer having an acidic functional group and other addition-polymerizable monomer in the presence of a polymerization initiator, the polymerization initiator being a diazotization product prepared by diazotizing at least ...

Atsushi Endo, Akimitsu Mochizuki, Michichika Hikosaka, Tsutomu Fujigamori: Water-based pigment dispersion. Toyo Ink Manufacturing, Wenderoth Lind & Ponack, December 19, 1995: US05476544 (8 worldwide citation)

A water-based pigment dispersion excellent in gloss of a coating, tinting strength, fluidity and storage stability, comprising a pigment, a pigment dispersing agent of the formula (1) and a solid content, of a water-based resin which is obtained by copolymerizing an .alpha., .beta.-ethylenically uns ...

Yuuji Hirasawa, Akimitsu Mochizuki: Monoazo lake pigment suitable for use in printing ink and process for the production thereof. Toyo Ink Manufacturing, Wenderoth Lind & Ponack, February 15, 1994: US05286287 (6 worldwide citation)

A monoazo lake pigment and a process for its production; the monoazo lake pigment excellent in clearness, transparency, gloss and tinting strength is obtained by coupling a diazo component which is an aromatic amine having a sulfonic acid group with a coupler component which contains .beta.-naphthol ...

Shuuichi Kimura, Michichika Hikosaka, Masami Shirao, Akimitsu Mochizuki, Junichi Tsuchida: Process for the production of aluminum phthalocyanine composition. Toyo Ink Manufacturing, Wenderoth Lind & Ponack, September 17, 1996: US05556966 (2 worldwide citation)

A process for the production of an aluminum phthalocyanine composition or a halogenated aluminum phthalocyanine composition in high yield and purity is provided which entails bringing a molten salt of aluminum chloride and/or aluminum bromide and a phthalocyanine compound having a central element ot ...

Atsushi Endo, Akimitsu Mochizuki, Tadashi Itabashi, Masami Kuwabara: Method for dispersing pigment and water-based pigment dispersion. Toyo Ink Manufacturing, Wenderoth Lind & Ponack, June 3, 1997: US05635552 (2 worldwide citation)

A method is disclosed for dispersing a pigment to obtain a pigment dispersion. The method involves dispersing 100 parts by weight of a pigment, 0.1 to 30 parts by weight of a specific pigment dispersing agent and 5 to 300 parts by weight of a water-based resin in 100 to 2,000 parts by weight of an a ...

Akimitsu Mochizuki, Michichika Hikosaka: Coating composition. Toyo Ink Manufacturing, Wenderoth Lind & Ponack, April 19, 1994: US05304245 (2 worldwide citation)

A acid-curing coating composition which is improved in pigment dispersibility, which is free from the formation of aggregates, free from the substantial growth of a crystal and excellent in fluidity, and which gives a coating having a clear color tone and high gloss, the coating composition comprisi ...

Akimitsu Mochizuki, Shigeki Kato: Pigment composition and ink composition using the same. Toyo Ink Mfg, Wenderoth Lind & Ponack, September 21, 2004: US06793727 (1 worldwide citation)

A pigment composition which shows excellent flowability and stability with time, when used for an ink, and whose printed matter shows an excellent gloss, clearness, color strength and migrationfastness, and an ink composition,

Akimitsu Mochizuki, Noriyoshi Takahata, Naoki Hamada, Takashi Kasuya: Method for producing halogenated organic pigment, halogenated organic pigment obtained by the production method, and colored composition comprising the same. TOYO INK SC HOLDINGS, TOYOCOLOR, Oblon McClelland Maier & Neustadt L, December 18, 2018: US10155867

A method for producing a halogenated organic pigment comprising a halogenation step of halogenating an organic pigment with a halogenating agent, wherein the halogenating agent comprises one or more N-haloimide compounds selected from the group consisting of trichloroisocyanuric acid, a metal salt o ...

Yoshie Suzuki, Ataru Chiba, Kenji Kitamura, Akimitsu Mochizuki: Dispersant-containing disazo pigment composition. Toyo Ink Manufacturing, Wenderoth Lind & Ponack, July 23, 1991: US05034063

A disazo pigment composition which can provide a printing ink having excellent fluidity, gloss and storage stability, and which contains: