Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5718996 | Electrostatic information recording medium and electrostatic information recording and reproducing method | Masayuki Iijima, Hiroyuki Obata, Makoto Matsuo, Minoru Utsumi, Seiji Take | 1998-02-17 |
| 5587264 | Electrostatic information recording medium and electrostatic information recording and reproducing method | Masayuki Iijima, Hiroyuki Obata, Makoto Matsuo, Minoru Utsumi, Seiji Take | 1996-12-24 |