Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4917917 | Electrostatic powder coating method and apparatus therefor | Masahiro Yamamoto, Mituyosi Kumata, Tsutomu Itoh | 1990-04-17 |
| 4811689 | Electrostatic powder coating apparatus | Masahiro Yamamoto, Mituyosi Kumata, Tsutomu Itoh | 1989-03-14 |