Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4625253 | Magnetic tape cassette | Kenji Kawakami, Yoshinori Yamamoto | 1986-11-25 |
| 4206324 | Pivoted plural microphone assembly | Motoyoshi Nagafuji | 1980-06-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4625253 | Magnetic tape cassette | Kenji Kawakami, Yoshinori Yamamoto | 1986-11-25 |
| 4206324 | Pivoted plural microphone assembly | Motoyoshi Nagafuji | 1980-06-03 |