Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7553365 | Water-based pigment dispersions, inkjet recording inks, and color filters | Shigeru Sakamoto, Yoshimasa Tsuchiya, Masanori Takakamo, Tohru Hosoda, Akio Yoshida +4 more | 2009-06-30 |
| 7135062 | Hydrophilic coloring matter for recording image, aqueous coloring agent for recording image, method and device for recording image | Michiei Nakamura, Naoyuki Sakai, Yoshiyuki Zama, Atsushi Nogami, Hiroyuki Shimanaka +2 more | 2006-11-14 |
| 6821334 | Process for producing sulfonated solid particles | Michiel Nakamura, Yoshiyuki Zama, Hisao Okamoto, Atsushi Nogami, Naoyuki Sakai | 2004-11-23 |