Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5445534 | Double lock male/female type connector | Hironori Ishizuka, Arifumi Tomikawa | 1995-08-29 |
| D328890 | Electrical connector | Arifumi Tomikawa, Hironori Ishizuka | 1992-08-25 |