Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6213689 | Construction unit for a retaining wall and a method for constructing the retaining wall | — | 2001-04-10 |
| 5289149 | Electron beam adjusting device with magnet rings of differing alnico powdered metal content | Shigeo Nishita | 1994-02-22 |
| 5227753 | Electron beam adjusting device | Shigeo Nishida | 1993-07-13 |