Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5523018 | Phosphor composition, phosphor-coating composition, discharge lamp, and preparation method thereof | Kouichi Okada, Toshiaki Tateiwa, Yoshihito Hario, Yuji Itsuki, Masato Fujiwara +2 more | 1996-06-04 |
| 5433888 | Phosphor composition, phosphor-coating composition, discharge lamp and preparation method thereof | Kouichi Okada, Toshiaki Tateiwa, Yoshihito Hario, Yuji Itsuki, Masato Fujiwara +2 more | 1995-07-18 |
| 5417886 | Phosphor coating composition, and discharge lamp | Toshiaki Tateiwa, Kouichi Okada, Yoshihito Hario | 1995-05-23 |