Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6802990 | Fluorescent substances for vacuum ultraviolet radiation excited light-emitting devices | Kenji Toda, Mineo Sato, Susumu Miyazaki, Takashi Takeda | 2004-10-12 |
| 6713521 | Method of preparing rigid polyurethane foam and composition of rigid polyurethane foam | Takanori Chiba, Takuya Matsumoto, Takehiro Shimizu | 2004-03-30 |
| 6689292 | Method of producing aluminate phosphor | Susumu Miyazaki | 2004-02-10 |
| 6680004 | Method of producing aluminate fluorescent substance, a fluorescent substance and a diode containing a fluorescent substance | Susumu Miyazaki | 2004-01-20 |
| 6676853 | Phosphor for vacuum ultraviolet excitation material | Kyota Ueda, Tadashi Endo, Susumu Miyazaki | 2004-01-13 |