Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820228 | Sealing apparatus for picture tube | — | 1989-04-11 |
| 4802874 | Method of installing mount assembly in cathode ray tube | Yoshihiko Kimura | 1989-02-07 |
| 4798552 | Apparatus for producing picture tube | — | 1989-01-17 |