Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5309933 | One-hand openable and closable umbrella | Chiu-Hsiung Yang | 1994-05-10 |
| 5306778 | Process for producing rubber-modified thermoplastic resin | Atushi Ishida, Katsuro Oomura, Yuji Yamamoto, Yuji Nakagawa, Tateki Furuyama +6 more | 1994-04-26 |