Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5323878 | Braking apparatus for elevator cage | Ichiro Nakamura, Masayuki Shigeta, Masakatsu Tanaka | 1994-06-28 |
| 5285027 | Hydraulic elevator and a control method thereof | Ichiro Nakamura, Haruo Watanabe, Katsuharu Shuto, Eiichi Sasaki | 1994-02-08 |