Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10837886 | Connection strength measurement method | Naoki Nakatsuka, Masayuki Nakayasu | 2020-11-17 |
| 10744551 | Rolling-swaging tool and method for closing opening of cylindrical member using same | Naoki Nakatsuka, Masayuki Nakayasu | 2020-08-18 |
| 10696268 | Closing structure for opening of cylindrical housing and gas generator | Masayuki Nakayasu, Naoki Nakatsuka | 2020-06-30 |