Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5938300 | Crawler-mounted slope traveling machine and shoe link for same | Shigeru Yoshida, Chikashi Kami, Minoru Miyasato | 1999-08-17 |
| 5348424 | Reinforcing block for excavation work and method of construction thereof | Masaru Tateyama, Yukihiko Tamura, Shigeru Yoshida, Chikashi Kami | 1994-09-20 |
| 5006016 | Corotating preventor of excavated soils in a ground improvement apparatus | — | 1991-04-09 |
| 4902172 | Multi-rods type apparatus for ground improvement | — | 1990-02-20 |