Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10316195 | Zinc-based composite material and use thereof | Hiroko HASEGAWA | 2019-06-11 |
| 6485550 | Self-sacrifice type metal corrosion inhibitor and a metal corrosion inhibiting method | — | 2002-11-26 |
| 4975781 | Apparatus for preventing paper clogging in a recording device | — | 1990-12-04 |
| 4663638 | Recording apparatus and method of transporting recording paper | — | 1987-05-05 |