Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10571429 | Wire rope flaw detection device | Yoshiyuki Terai, Takashi Yoshioka, Masao Akashi | 2020-02-25 |
| 10514362 | Wire rope flaw detection device | Takashi Yoshioka, Takayuki Kotera, Kazuaki Hirota, Fumitake Takahashi, Masao Akashi +1 more | 2019-12-24 |
| 9663325 | Braking apparatus and elevator hoisting machine that uses same | — | 2017-05-30 |