Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11707715 | Reverse osmosis system | Marcos Koyama, Philippe Dupont | 2023-07-25 |
| 11045766 | Reverse osmosis system | Marcos Koyama, Philippe Dupont | 2021-06-29 |
| 8695459 | Locking flex-head ratchet wrench | Pei Yang Lee | 2014-04-15 |
| 8474350 | Locking flex-head ratchet wrench | Pei Yang Lee | 2013-07-02 |
| 8028607 | Locking flex-head ratchet wrench | Pei Yang Lee | 2011-10-04 |
| 7318366 | Locking flex-head ratchet wrench | Pei Yang Lee | 2008-01-15 |