Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 11181160 | Coil spring | Seiji Okamura | 2021-11-23 | |
| 11131356 | Coil spring | Seiji Okamura | 2021-09-28 | $1,179,000 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 11181160 | Coil spring | Seiji Okamura | 2021-11-23 | |
| 11131356 | Coil spring | Seiji Okamura | 2021-09-28 | $1,179,000 |