Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5931306 | Gas current classifier and process for producing toner | Satoshi Mitsumura, Hitoshi Kanda, Masayoshi Kato, Yoshinori Tsuji | 1999-08-03 |
| 5712075 | Gas current classifier and process for producing toner | Satoshi Mitsumura, Hitoshi Kanda, Masayoshi Kato, Yoshinori Tsuji | 1998-01-27 |
| 5447275 | Toner production process | Hitoshi Kanda, Satoshi Mitsumura, Kazuyuki Miyano | 1995-09-05 |