Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12240074 | Polishing head, and polishing treatment device | Akio Komura, Takafumi Kuwano | 2025-03-04 |
| 10778872 | Image processing apparatus and method | Hiroshi Watanabe, Akihiro Mizutani, Takahiro Hagiwara, Kazuhiro Ogura, Kazuhiro Kamimura +6 more | 2020-09-15 |
| 9386168 | Printed media reuse determination apparatus and media reuse determination program | Masaaki Yasunaga, Akihiko Fujiwara, Shunichi Megawa | 2016-07-05 |
| 9124749 | Image forming apparatus and execution method thereof | — | 2015-09-01 |
| 9025210 | Document management apparatus | Akihiko Fujiwara, Shunichi Megawa, Masaaki Yasunaga | 2015-05-05 |
| 8717633 | Printed image erasing system | Akihiko Fujiwara, Shunichi Megawa, Masaaki Yasunaga | 2014-05-06 |
| 8712155 | Device for identifying types of document files | — | 2014-04-29 |
| 8230365 | Document management system, document management method and document management program | Akihiko Fujiwara | 2012-07-24 |
| 8189920 | Image processing system, image processing method, and image processing program | Akihiko Fujiwara | 2012-05-29 |