Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5129803 | Concrete leveling machine | Hajime Nomura, Yasuo Kajioka, Akira Okada, Tomoo Shokawa, Toshio Kumagai +1 more | 1992-07-14 |
| 4848960 | Finishing machine for a concrete surface | Yasuo Kajioka, Akira Okada, Satoru Shimizu | 1989-07-18 |
| 4709899 | Climbing formwork apparatus for concrete placing | Yasuo Kajioka, Hitoshi Kadowaki, Shigeyoshi Matsuda, Yoshinori Yugami, Shinya Kubota +3 more | 1987-12-01 |
| 4345431 | Exhaust gas cleaning system for diesel engines | Yoshinobu Suzuki, Kiyoshi Chiba, Tomoya Tukuhiro, Yoshiyuki Iwasawa, Yasuo Kajioka | 1982-08-24 |