Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11079294 | Operation lever | Masato Kageyama, Daigoh Fujii | 2021-08-03 |
| 5739221 | Suspension-polymerization process for producing expandable styrene resin beads | Masayuki Tanaka, Yonezo Ueda | 1998-04-14 |
| 5693683 | Expandable styrene resin beads and process for producing the same | Masayuki Tanaka, Yonezo Ueda, Takanori Suzuki | 1997-12-02 |
| 5616413 | Expandable styrene resin beads and suspension-polymerization process for producing the same | Masayuki Tanaka, Yonezo Ueda | 1997-04-01 |