Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5332639 | Toner for use in electrophotography and its manufacturing process comprising a charge control additive of an oxide coated with a mixture of tin oxide and antimony | Tadashi Nakamura | 1994-07-26 |