Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4654272 | Decreasing the frictional sounds of non-olefinic synthetic resin materials | Masamichi Masuda, Naoto Ishii | 1987-03-31 |
| 4555380 | Air-pressure method | Shunsaku Munakata, Hitoshi Ukai, Mitsuru Noguchi | 1985-11-26 |