Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6712993 | Phosphor and its production process | Naoto Kijima, Yasuo Shimomura, Tetsuji Umebara, Ilgnatius Wuled Lenggoro | 2004-03-30 |
| 6674528 | Method and apparatus for measuring suspended particulate matter | Motoaki Adachi, Shinichiro Totoki, Michio Higuchi, Haruo Shimaoka, Akihiro Fukai | 2004-01-06 |