Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10183480 | Seal surface carving apparatus | Eiji Abe | 2019-01-22 |
| 9545806 | Self-inking stamp | Takuya Koide | 2017-01-17 |
| 6824800 | Method of preparing a powder composition | Kouichi Kitahata, Kazuhiko Sugiura, Senji Sakanaka, Shoichi Ishigaki | 2004-11-30 |