Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6805953 | Waterstop sealing material | Katsuhiko Tachibana, Masahiko Ando, Yasuyuki Tokunaga, Manabu Matsunaga | 2004-10-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6805953 | Waterstop sealing material | Katsuhiko Tachibana, Masahiko Ando, Yasuyuki Tokunaga, Manabu Matsunaga | 2004-10-19 |