Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12319617 | Cement grout material and installation method of same | Kenichi Yoshioka | 2025-06-03 |
| 6458870 | Process for preparing an aqueous solution of sulfanilic acid modified melamine-formaldehyde resin and a cement composition | Jun Uchida, Takaichi Sugiyama, Keisuke Nakayama | 2002-10-01 |
| 6214965 | Process for preparing an aqueous solution of sulfanilic acid modified melamine-formaldehyde resin and a cement composition | Jun Uchida, Takaichi Sugiyama, Keisuke Nakayama | 2001-04-10 |