Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889766 | Prepreg sheet for flake lining and lining process using the same | Toshio Inuzuka, Tsutomu Hasegawa, Shigeru Aoki | 1989-12-26 |
| 4765960 | Apparatus for installing pipe in multipipe type gas-liquid contact equipment | Toshiaki Urata | 1988-08-23 |