Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9421395 | Ultraviolet light irradiation device for suntan | Jiro Ono, Hideji Tanizaki | 2016-08-23 |
| 5523018 | Phosphor composition, phosphor-coating composition, discharge lamp, and preparation method thereof | Kouichi Okada, Toshiaki Tateiwa, Tetsuya Sadamoto, Yoshihito Hario, Masato Fujiwara +2 more | 1996-06-04 |
| 5433888 | Phosphor composition, phosphor-coating composition, discharge lamp and preparation method thereof | Kouichi Okada, Toshiaki Tateiwa, Tetsuya Sadamoto, Yoshihito Hario, Masato Fujiwara +2 more | 1995-07-18 |
| 5049779 | Phosphor composition used for fluorescent lamp and fluorescent lamp using the same | Keiji Ichinomiya | 1991-09-17 |
| 4890033 | Light-emitting composition and fluorescent lamp | Keizi Ichinomiya, Kouichi Okada, Kaname Tsuchikura | 1989-12-26 |