Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4709899 | Climbing formwork apparatus for concrete placing | Yasuo Kajioka, Tomio Komine, Shigeyoshi Matsuda, Yoshinori Yugami, Shinya Kubota +3 more | 1987-12-01 |
| 4636374 | Method for manufacturing aluminum oxynitride refractory | Susumu Kurihara, Tadashi Seki, Hiroshi Awata | 1987-01-13 |