Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11044838 | Railway equipment inspecting and measuring apparatus, and railway equipment inspecting and measuring method | Hideyasu Suzuki, Tomohiko Kai, Masaki Araki, Tomoya Sasaki, Takeshi IGA +4 more | 2021-06-22 |
| 8659387 | Operation permission control device and machine having the same mounted thereon | Shigeru Nitta, Hajime Iida, Manabu Uenosono, Shinichiro Okubo, Kazuaki OHTSUKI | 2014-02-25 |
| 6237099 | Electronic document management system | — | 2001-05-22 |
| 5887088 | Inputting device and inputting method for information processing system | Hiroshi Iida, Eiichi Yamauchi, Shigeru Yamada | 1999-03-23 |