Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9982402 | Paving construction method, pavement structure, and longitudinal groove forming instrument for pavement | Toshihiko Maeyama, Shinji Oba, Kazuyuki Saito, Katsuji Suzuki | 2018-05-29 |