Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4895176 | Chloro-fluoro-carbon cleaning apparatus | Shigeo Ohtsuka, Shigeo Miyakoshi | 1990-01-23 |
| 4218914 | Apparatus for testing air tightness | — | 1980-08-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4895176 | Chloro-fluoro-carbon cleaning apparatus | Shigeo Ohtsuka, Shigeo Miyakoshi | 1990-01-23 |
| 4218914 | Apparatus for testing air tightness | — | 1980-08-26 |