Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853755 | Method for manufacturing a thin-film transistor array and a thin-film transistor array manufactured by the method | Kazuya Okabe, Hideyuki Matsuda, Chisato Iwasaki | 1989-08-01 |
| 4811552 | Propelling drive transmission structure for walking operator type lawn mower | — | 1989-03-14 |