Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11486014 | Method for producing plated black heart malleable cast iron member, plated black heart malleable cast iron member, and pipe joint | Takayuki Fukaya, Hiroshi Matsui, Akinori Sawada | 2022-11-01 |