Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10318745 | Access control system and access control method | Yuuichi KIYOKAWA, Kouji Inoue, Hiroyuki Ota | 2019-06-11 |
| 4972569 | Method for rotatingly transferring hollow cylindrical articles | Motohisa Aoki, Tadashi Umehara, Jiro Taguti | 1990-11-27 |