Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702731 | Lateral type molding apparatus for the production of composite insulators | Isao Nakajima, Yusuke Utsumi | 1997-12-30 |
| 5607702 | Segment with heating and cooling device and mold using the segments | Isao Nakajima, Yusuke Utsumi | 1997-03-04 |