Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8017291 | Image-forming material | Kazuhiko Hirokawa, Yuka Ito, Suguru Nakaso, Shinji Hasegawa, Miho Watanabe +4 more | 2011-09-13 |
| 8007975 | Colorant and toner | Shinji Hasegawa, Kazunori Anazawa, Yuka Ito, Kazuhiko Hirokawa, Makoto Furuki +4 more | 2011-08-30 |
| 7985291 | Perimidine-substituted squarylium dye, dispersion medium, detection medium and image forming material | Kazuhiko Hirokawa, Kazunori Anazawa, Yuka Ito, Suguru Nakaso, Shinji Hasegawa +4 more | 2011-07-26 |
| 7951960 | Black color material and toner | Shinji Hasegawa, Yuka Ito, Kazuhiko Hirokawa, Miho Watanabe, Makoto Furuki | 2011-05-31 |
| 7910733 | Image-forming material | Yuka Ito, Shinji Hasegawa, Kazuhiko Hirokawa, Miho Watanabe, Makoto Furuki +4 more | 2011-03-22 |