Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1040333 | Noise reduction earplug | Ke Wang | 2024-08-27 |
| 7473455 | Xylon type bamboo, device of making thereof and method of making thereof | Xiongwei Wang, Hisako Igawa | 2009-01-06 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1040333 | Noise reduction earplug | Ke Wang | 2024-08-27 |
| 7473455 | Xylon type bamboo, device of making thereof and method of making thereof | Xiongwei Wang, Hisako Igawa | 2009-01-06 |