Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7010873 | Continuous underground trench excavating method and excavator therefor | Motohiko Mizutani | 2006-03-14 |
| 6895168 | Tape transport apparatus | Takehiko Deguchi | 2005-05-17 |
| 6704155 | Tape stopping mechanism | Takehiko Deguchi | 2004-03-09 |
| 6139225 | Method for building an underground continuous wall | Kenji KOIKE, Yoshiaki Inagaki, Minoru Aoi, Shigeki Ashida, Yuji Nakajima +2 more | 2000-10-31 |
| 4848599 | Container closure provided with air pump mechanism | Yuji Kano, Tsurusaburo Okamura, Seiji Fukushi | 1989-07-18 |
| 4785978 | Container closure provided with automatic opening-closing mechanism | Yuji Kano, Tsurusaburo Okamura, Seiji Fukushi | 1988-11-22 |