Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8308631 | Electronic variable stroke devices and system for remote control and interactive play | Rita E. Iwakawa | 2012-11-13 |
| 7438681 | Electronic variable stroke device and system for remote control and interactive play | Rita E. Iwakawa | 2008-10-21 |
| 7023104 | Wave energy conversion device for desalination, ETC | Yu-Si Fok | 2006-04-04 |