Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6020067 | Phosphor having surface coated with a quaternary salt-containing compound | Noboru Matsuhisa, Masami Hirono, Masaru Naito, Makoto Hattori | 2000-02-01 |
| 4718482 | Method for manufacturing heat exchange vehicle | Katashi Katsumata, Hajime Kudo, Yo Takeuchi | 1988-01-12 |