Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11161310 | Heat-caulking device | Hiroshi Ishikawa, Yoshinori Tsurugai, Yuichi Tajiri, Shigeto Akahori, Naohiro Ohtsu +1 more | 2021-11-02 |
| 10584712 | Impeller | Hiroshi Ishikawa, Yoshinori Tsurugai | 2020-03-10 |
| 8170738 | Performance inspection method for autonomous mobile apparatus, and performance inspection sheet therefor | Eiji Ninomiya | 2012-05-01 |
| 6690301 | Vehicle with position detector | Shunji Yano, Kanji Ichino | 2004-02-10 |
| 5150288 | Production management system and method of transmitting data | Shinji Imai, Hiroshi Hamano, Michio Fujinuma, Chikafumi Shimanaka | 1992-09-22 |
| 5088045 | Production management system | Chikafumi Shimanaka, Michio Fujinuma, Hiroshi Hamano, Shinji Imai | 1992-02-11 |