Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10343235 | Laser welding method, laser welding apparatus, and cylindrical body | Keisuke Kamitani, Shuho Tsubota, Yasuyuki Fujiya | 2019-07-09 |
| 4554232 | Magnetic toner | Kazunori Tabaru, Toshio Kumakura | 1985-11-19 |
| 4482623 | Preparation method of magnetic toner | Kazunori Tabaru, Toshio Kumakura | 1984-11-13 |