Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8789890 | Abrasion detecting apparatus detecting abrasion of component of cutter head and tunnel boring machine including abrasion detecting apparatus | Yasunori Kondo, Yoshio Sakai, Taso Aimi | 2014-07-29 |
| 8328293 | Shield machine | Yasunori Kondo, Yasuyuki Sakai, Makoto Oda, Tooru Niihara, Isao Makiuchi +3 more | 2012-12-11 |
| 4312311 | Engine idling correction system for an automotive vehicle | — | 1982-01-26 |