Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10427211 | Forming method of forging of 718 Plus alloy | Hua Zhang, Huadong WANG, Zhuangye Xie, Jiadian Yang, Chuanhua Sun +1 more | 2019-10-01 |
| 6751013 | Gain-clamped semiconductor optical amplifiers with adjustable gain levels | — | 2004-06-15 |
| 6731424 | Dynamic gain flattening in an optical communication system | — | 2004-05-04 |
| 6731427 | Semiconductor optical amplifier systems | — | 2004-05-04 |
| 6687049 | Optical amplifiers with stable output power under low input power conditions | James W. Sulhoff, Chia-Chi Wang | 2004-02-03 |
| 6625347 | Pumps for Raman amplifier systems | — | 2003-09-23 |
| 6583926 | Optical amplifiers with age-based pump current limiters | Jun Ye | 2003-06-24 |
| 6499888 | Wide ridge pump laser | — | 2002-12-31 |
| 6456429 | Double-pass optical amplifier | — | 2002-09-24 |
| 6433921 | Multiwavelength pumps for raman amplifier systems | G. Victor Treyz | 2002-08-13 |
| 6423963 | Safety latch for Raman amplifiers | — | 2002-07-23 |
| 6375364 | Back facet flared ridge for pump laser | — | 2002-04-23 |
| 6377396 | Optical amplifiers with variable optical attenuation for use in fiber-optic communications systems | Yan Sun, Chia-Chi Wang, Jun Ye | 2002-04-23 |
| 6148268 | Method for quality control and yield enhancement | Constance J. Chang-Hasnain | 2000-11-14 |
| 5850210 | Display pointing device provided for correlating display cursor locations to physical locations pointed by the display pointing device | — | 1998-12-15 |
| 5539759 | Single mode laser with a passive antiguide region | Constance J. Chang-Hasnain, Rashit Nabiev | 1996-07-23 |