Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4579882 | Shielding material of electromagnetic waves | Tokuzo Kanbe, Yaomi Kumagai, Kei Urabe | 1986-04-01 |
| 4252867 | Corrosion-resistant iron-base material and a process for producing same | Kyoji Takahashi, Hiroyuki Hayashi | 1981-02-24 |