Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10815664 | Coated PC steel stranded cable | Masashi Oikawa, Masato Yamada, Yoshiyuki Matsubara, Shinji Nakaue, Toru Yamamoto +5 more | 2020-10-27 |
| 4675719 | Thyristor device | — | 1987-06-23 |