Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5958641 | Single component toner comprising specified polyester | Tetsuo Sano, Hiroyuki Fukuda, Chikara Tsutsui, Senyu Taira, Mikihiko Sukeno | 1999-09-28 |
| 5921481 | Air classifier with specified truncated cone-like breather pipe | Akihiro Nakamura, Yutaka Tsujishita, Yasunori Sakuda | 1999-07-13 |