Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6650436 | Automatic sheet feed control | Akihiko Hamamoto, Takao Aichi, Kazuyuki Masumoto, Akitoshi Yamada | 2003-11-18 |
| 6594028 | Status-based control over printer | Akihiko Hamamoto, Steven Noyes, Tetsu Kaneko, Takao Aichi, Kazuyuki Masumoto +1 more | 2003-07-15 |
| 6587038 | Alarm generation using a motor | Akihiko Hamamoto, Takao Aichi | 2003-07-01 |
| 6557961 | Variable ink firing frequency to compensate for paper cockling | Akihiko Hamamoto, Takao Aichi | 2003-05-06 |
| 6421581 | Printer with improved page feed | Akihiko Hamamoto, Akitoshi Yamada, Takao Aichi, Hiromitsu Hirabayashi | 2002-07-16 |
| 6108101 | Technique for printing with different printer heads | Tetsuya Kawanabe, Hiroyuki Ueda | 2000-08-22 |