Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5503627 | Ampule for needleless injection | Charles M. McKinnon, Takaaki Nakagawa | 1996-04-02 | $591,000 |
| 5312335 | Needleless hypodermic injection device | Charles M. McKinnon, Takaaki Nakagawa | 1994-05-17 | $345,000 |
| 5064413 | Needleless hypodermic injection device | Charles M. McKinnon, Takaaki Nakagawa | 1991-11-12 | $510,000 |