Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880041 | Apparatus for flowing and filling liquified inert gas | Morio Yamada | 1989-11-14 |
| 4802874 | Method of installing mount assembly in cathode ray tube | Koichi Yasuda | 1989-02-07 |