Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7248430 | Magnetic recording and reproduction apparatus | Akio Konishi, Koichiro Hirabayashi, Hiroshi Kanchiku, Takefumi Yanagihara | 2007-07-24 |
| 7180698 | Magnetic recording and reproduction apparatus | Koichiro Hirabayashi, Hiroshi Kanchiku | 2007-02-20 |
| 6172840 | Magnetic recording/reproduction apparatus including a rotary head cylinder and both vertical and inclined guides for winding a magnetic tape about the rotary head cylinder | Akio Konishi, Koichiro Hirabayashi | 2001-01-09 |