Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9239282 | Metal pipe corrosion monitoring device and use thereof | Haruhisa Miyazaki, Katsumasa Murata, Masaki Yoshida, Yusuke Suetake | 2016-01-19 |
| 5169563 | Water treatment agent and water treatment method for a boiler | Sakae Katayama, Sadaoki Kanada, Hiroshi Asai | 1992-12-08 |
| 4512552 | Corrosion inhibitor | Sakae Katayama, Tadahiko Asano, Sadaoki Kanada, Yoshinari Kawasaki | 1985-04-23 |