Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5323839 | Mold for forming a collar on an external periphery of a metal cap | Hiroto Matsuo, Takashi Imakoma, Seiichi Kondo | 1994-06-28 |
| 5295529 | Method of forming zinc collar on insulator metal cap and mold therefor | Hiroto Matsuo, Takashi Imakoma, Seiichi Kondo | 1994-03-22 |