Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8313844 | Phosphor, method for production thereof, wavelength converter, light emitting device and luminaire | Toshiaki Shigeoka, Shuichi Kasai | 2012-11-20 |
| 7518160 | Wavelength converter, lighting system, and lighting system assembly | Masato Fukudome, Masanobu Ishida, Tsutae Iryou | 2009-04-14 |
| 5837356 | Wiring board and method for manufacturing the same | Naohiro Katori, Kiyoshi Tomita, Yoichi Sekioka, Syogo Matsuo, Koichi Uchimoto | 1998-11-17 |
| 4704427 | Method for improving rubbers | Shizuo Kitahara | 1987-11-03 |