Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6400492 | Electrophoretic display liquid, and electrophoretic display medium, method and device using the liquid | Shigeyuki Harada, Kunio Hayakawa | 2002-06-04 |
| 6395680 | Composition of aromatic carboxylic acid compounds and thermosensitive recording material using the same | Kunio Hayakawa, Ikuo Kameoka, Xiaonan Yang | 2002-05-28 |