Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5390939 | Joint sealing member | Michiyoshi Terauchi, Hiroshi Shinjo, Takahide Kameda | 1995-02-21 |
| 5172919 | Appliance for preventing water from leaking through joint | Michiyoshi Terauchi, Hiroshi Shinjo | 1992-12-22 |
| 4532298 | Compression-resistant water-swellable rubber composition and watertight sealing material comprising the same | Toshihiro Kimura, Hiroshi Harima, Yoshihiro Yoshioka | 1985-07-30 |
| 4382999 | Water-swellable composite caulking material for preventing water leakage | Hiroshi Harima, Yoshihiro Yoshioka, Toshihiro Kimura | 1983-05-10 |