Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8393172 | Heat pump drying machine | Keiji Sato, Haruhisa Yamasaki, Eiji Fukuda, Yoshiaki Noguchi, Tetsuya Masuda +2 more | 2013-03-12 |
| 7135988 | Temperature recorder and temperature recording and controlling system for power supply equipment | Sigekazu Kawai, Tsutomu Ishikura | 2006-11-14 |
| 7005992 | Temperature monitor for electro-mechanical part | Sigekazu Kawai, Tsutomu Ishikura | 2006-02-28 |
| 4962648 | Refrigeration apparatus | Takashi Takizawa, Kiyoshi Ohshimizu, Ken Aoki, Hirotaka Nakano | 1990-10-16 |