Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9405272 | Image forming apparatus including a duct filter having corrugated surface shape | Hayato Wachi, Masaya Shitami, Takanori Kitagawa | 2016-08-02 |
| 9268304 | Image forming apparatus | Hayato Wachi, Masaya Shitami, Takanori Kitagawa | 2016-02-23 |
| 9141085 | Image forming apparatus | Hayato Wachi, Masaya Shitami, Takanori Kitagawa | 2015-09-22 |