Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5435623 | Interactive seating device | Jeffrey Kapec, Kazuna Tanaka | 1995-07-25 |
| 5320122 | Combined walker and wheelchair | Julius H. Jacobson, II, Jeffrey Kapec, Kazuna Tanaka | 1994-06-14 |
| D314607 | Water purifier | Jeffrey Kapec, Kazuma Tanaka | 1991-02-12 |