Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6020100 | Color toner manufacturing method, color toner master batch, and color toner | Yoshiaki Iwasaki, Hiroshi Nakamura, Shigeyuki Hakumoto | 2000-02-01 |
| 5724631 | Seal construction and seal member | — | 1998-03-03 |