Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6468607 | Naphthalene derivative and liquid crystal composition comprising the same | Masashi Osawa, Haruyoshi Takatsu, Makoto Negishi | 2002-10-22 |
| 6399035 | Reduction purification method of nitrogen oxide-containing exhaust gas | Mitsunori Tabata, Katsumi Miyamoto, Tomohiro Yoshinari, Kazuhito Sato | 2002-06-04 |