Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6118079 | Polymer insulator having a seal of aluminum trihydrate and a polymer | Takanori Kondou | 2000-09-12 |
| 5834110 | Polymer insulator | Hidenobu Misawa, Isao Nakajima | 1998-11-10 |