Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10019764 | Work management system and work management method | Hiroyuki Ishibashi, Hideo Tsuchiya, Shiro Sugihara, Kiyoshi Yoshikawa | 2018-07-10 |
| 9959578 | Work management system and work management method | Hiroyuki Ishibashi, Hideo Tsuchiya, Shiro Sugihara, Kiyoshi Yoshikawa | 2018-05-01 |
| 9953376 | Work management system and work management method | Hiroyuki Ishibashi, Hideo Tsuchiya, Shiro Sugihara, Kiyoshi Yoshikawa | 2018-04-24 |
| 9953374 | Work management system and work management method | Hiroyuki Ishibashi, Hideo Tsuchiya, Shiro Sugihara, Kiyoshi Yoshikawa | 2018-04-24 |
| 9953375 | Work management system and work management method | Hiroyuki Ishibashi, Hideo Tsuchiya, Shiro Sugihara, Kiyoshi Yoshikawa | 2018-04-24 |
| 5264687 | Optical card processing apparatus | Yoshihito Koshiba, Takeshi Ishida, Takeshi Takakura | 1993-11-23 |
| 4786793 | Card accessing apparatus | Kazuo Tsuboi, Takeshi Ishida | 1988-11-22 |
| 4648723 | Static pressure air surface stage | Hiroshi Goto | 1987-03-10 |
| 4648724 | Static pressure air surface stage | Hiroshi Goto | 1987-03-10 |