Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6045860 | Process for manufacturing interior tinned copper tube | Junichi Ito, Makoto Yonemitsu, Yoshihiro Nishimoto, Hiroshi Okamura | 2000-04-04 |
| 4776384 | Method for monitoring copper-alloy tubes for maintaining corrosion resistance and cleanliness factor of their inner surfaces | Atsushi Kawabe, Katsumi Yasui, Masaki Yamamoto, Koji Nagata, Mamoru Nishikawa | 1988-10-11 |
| 4762168 | Condenser having apparatus for monitoring conditions of inner surface of condenser tubes | Atsushi Kawabe, Katsumi Yasui, Masaki Yamamoto, Koji Nagata, Mamoru Nishikawa | 1988-08-09 |