Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10036182 | Electronic locking system | Shinichi Yoshikawa, Noboru Ashibe | 2018-07-31 |
| 9885207 | Automatic open-close device for fittings | Masaaki Ando, Shinichi Yoshikawa | 2018-02-06 |