Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6819529 | Head drum device with carbon-containing synthetic resin upper drum and larger diameter intermediate drum | Tadashi Ooami, Masanori Maehara, Masahiro Kiko, Tamami Mishiro, Kentaro Shingai | 2004-11-16 |
| 6452744 | Magnetic record/playback apparatus | Yoshio Tamaru, Masahiro Kiko, Mutsuko Ochiai | 2002-09-17 |
| 4491886 | Tape loading apparatus | Akiro Saito, Naoki Kamaya, Seisuke Ohba, Akira Kumano, Yoshinori Ida +1 more | 1985-01-01 |