Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6368399 | Composite pigments, coloring compositions, and image recording substances | Masahiko Aoba, Shigeru Takarada, Kazutaka Aoki, Keiji Nakajima, Shotoku Takami | 2002-04-09 |
| 6258503 | Production process of colored fine particulate composition and colored fine particulate composition produced by the process | Michiei Nakamura, Hiroyuki Shimanaka, Kazuo Kanou, Masayuki Takahashi, Masayuki Kinnou +2 more | 2001-07-10 |
| 4713411 | Pigment composition and preparation process thereof | Kazuo Kanou, Takamitu Shinoda | 1987-12-15 |