Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5356314 | Double-socket electric lamp containing a low-voltage halogen light source, transformer for the same, and a fixing arrangement of them | — | 1994-10-18 |
| 4590724 | Anchorage for steel wire strand for prestressed concrete | Makoto Kurauchi, Takeshi Kobayashi, Masakazu Izumi | 1986-05-27 |