Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648132 | Composite insulator, segment used for producing the same and method of producing the same by using the segment | Shigehiko Kunieda, Isao Nakajima, Yusuke Utsumi | 1997-07-15 |