Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859804 | Electric power supply cable using insulating polyolefin laminate paper | Shosuke Yamanouchi, Masayuki Hirose, Hidemitsu Kuwabara, Yasuharu Mizumoto, Yasuhiro Hagiuda | 1989-08-22 |
| 4846264 | Composite pipe, process for producing the same, and heat pipe using the same | — | 1989-07-11 |
| 4817259 | Composite pipe, process for producing the same, and heat pipe using the same | — | 1989-04-04 |