Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8080322 | Light emitting device having high luminous efficiency and high stability | Akira Tsuboyama, Kazunori Ueno, Koichi Suzuki | 2011-12-20 |
| 7927412 | Pigment ink composition and coating material | Akira Kuriyama, Kazumichi Nakahama, Rie Ueno, Masatoshi Watanabe, Takeo Suga | 2011-04-19 |
| 7922807 | Method of producing pigment dispersion | Kazumichi Nakahama, Yukio Hanyu | 2011-04-12 |
| 7914616 | Method for producing liquid composition and pigment particles and ink composition for ink jet recording | Kazumichi Nakahama, Yukio Hanyu, Ryuji Higashi | 2011-03-29 |