Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830580 | Two-stage air compressor unit | Yasuhisa Hata | 1989-05-16 |
| 4831598 | Picture display apparatus | Masahiro Koike, Fuminobu Takahashi, Izumi Yamada | 1989-05-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830580 | Two-stage air compressor unit | Yasuhisa Hata | 1989-05-16 |
| 4831598 | Picture display apparatus | Masahiro Koike, Fuminobu Takahashi, Izumi Yamada | 1989-05-16 |