Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812339 | Artificial soil and construction of bed soil for putting green using artificial soil | Masashi Shibata, Tokimasa Hayashibara | 1989-03-14 |
| 4579881 | Soft material for lining a denture base | Eiichi Masuhara, Nobuo Bannai, Hideyuki Yasumi | 1986-04-01 |