Pigment dispersants, pigment dispersions and writing or recording pigment inks

Assignee

• Dainichiseika Color & Chemicals Mfg. Co.

Inventors

• Hiroaki Saikatsu (11 patents)
• Hisao Okamoto (19 patents)
• Shigeru Sakamoto (110 patents)
• Mitsuo Yamazaki (36 patents)
• Tetsuo Fukuda (15 patents)
• Shiro Yamamiya (4 patents)
• Yoshio Abe (53 patents)
• Michiei Nakamura (42 patents)

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