Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4452635 | Hydraulic cement composition | Yoshibumi Noshi, Hiroyuki Naito, Kiyoshi Takai | 1984-06-05 |
| 4415364 | One-package inorganic binder composition | Hiroyuki Naito, Takashi Maruya | 1983-11-15 |