Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5358575 | Method for blackening Ni-Fe shadow mask and mesh belt type blackening lehr for carrying out the method | Hiroshige Nakagawa, Shigeo Yamamoto, Yoshinori Yoshimura | 1994-10-25 |