Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6735895 | Fixture of indication tag or the like having a magnetic body for marker | Mikio Kubota | 2004-05-18 |
| 6729162 | Electric furnace extension method and extension apparatus for optical fiber glass preform | Masahide Kuwabara, Yukio Komura | 2004-05-04 |