Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12104311 | Stain removal device using bleach chemical solution and heat generation | Kannan Udayappan Praveen, Yong Jiang, Lihong Zhao | 2024-10-01 |
| 11313069 | Stain removal accessory | Kannan Udayappan Praveen, Shenghuai Calvin Lin, Chien-Ping Adrian Koh, Lihong Zhao, Yong Jiang | 2022-04-26 |
| 11021835 | Portable stain removal kit | Lihong Zhao, Yong Jiang | 2021-06-01 |
| 10947660 | Portable stain removal device | Shenghuai Calvin Lin, Chien-Ping Adrian Koh, Palani Pandurangan, Hee Poh Sin, Lihong Zhao +1 more | 2021-03-16 |
| 9879374 | Steam iron for receiving a fragrance cartridge | Lihong Zhao, Yong Jiang | 2018-01-30 |