Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6589325 | Phthalocyanine compounds, water-base ink compositions and colored products | Hirokazu Kitayama, Yasuo Shirasaki | 2003-07-08 |
| 6582405 | Electrically-driven dental injector | Yukio Kawagishi, Fumio Tanaka, Mutsumi Shibuya, Ikuo Kitagawa, Renji Hayashi | 2003-06-24 |