Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7917071 | Transfer belt unit and image forming apparatus using the same | Masashi Hirai, Mikio Kakui, Yoshiaki Masuda, Susumu Murakami, Kuniaki Nakano +1 more | 2011-03-29 |
| 7725052 | Ion generating device and image forming apparatus including same | Masashi Hirai, Kuniaki Nakano | 2010-05-25 |
| 7548709 | Transfer unit, transfer method, and image forming apparatus | Masashi Hirai, Kuniaki Nakano, Masanori Yamada, Takahiko Yoshida, Hiroshi Tachiki +1 more | 2009-06-16 |
| 6909967 | Navigation device and route retrieving device | Hideaki Hirano, Kosuke Koga, Nobuyuki Takehara | 2005-06-21 |