Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4662478 | Apparatus for automatic floor arrival at service interruption in A. C. elevator | — | 1987-05-05 |
| 4414958 | Solar collector | Shiro Hozumi, Shin'ichi Aso, Minoru Tagashira, Kouji Ebisu | 1983-11-15 |
| 4376471 | Emergency apparatus for elevator | Masami Nomura, Takaaki Aoi, Masumi Kanbe | 1983-03-15 |
| 4337097 | Method for making a selective absorption film for solar energy | Hiroyuki Tokumasu, Shiro Hozumi | 1982-06-29 |
| 4220222 | Automatic landing apparatus in service interruption | Hiroshi Kamaike | 1980-09-02 |