Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4324711 | Melt-adhesive traffic paint composition | Kohichi Hashimoto, Yukio Nagasaka | 1982-04-13 |
| 4301050 | Road marking composition | Shinichi Masuda, Naoyuki Kishi, Yukio Nagasaka | 1981-11-17 |