Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6375343 | Light source device using optical fibers | Shigeki Fujisawa, Masayoshi Mikami | 2002-04-23 |
| 6300710 | Filament lamp for emission of yellow light | Shigeki Fujisawa, Yoshihiko Okumura, Hiroshi Minamizono | 2001-10-09 |