Kawasumi; Ryoichi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kawasumi; Ryoichi.The latest application filed is for "power feed path unit, image forming apparatus, and assembly method for power feed path unit".
Company Profile
8.22.24
- Kawasumi; Ryoichi - Toride JP
- Kawasumi; Ryoichi - Ibaraki JP
- Kawasumi; Ryoichi - Toride-shi JP
- Kawasumi; Ryoichi - Ibaraki-ken JP
Patent Activity
| Patent | Date |
|---|---|
| Image forming apparatus having an operation portion with a near field communication portion, a touch panel, and an input key Grant 11,405,516 - Nakayama , et al. August 2, 2 | 2022-08-02 |
| Image forming apparatus having guide for airflow to filter Grant 11,300,919 - Kawasumi April 12, 2 | 2022-04-12 |
| Power Feed Path Unit, Image Forming Apparatus, And Assembly Method For Power Feed Path Unit App 20220091555 - Kawasumi; Ryoichi | 2022-03-24 |
| Input Device And Image Forming Apparatus App 20210329137 - Nakayama; Yoshiyuki ; et al. | 2021-10-21 |
| Image forming apparatus having an operation portion with a near field communication portion, a touch panel, and an input key Grant 11,082,571 - Nakayama , et al. August 3, 2 | 2021-08-03 |
| Image Forming Apparatus App 20210232078 - Kawasumi; Ryoichi | 2021-07-29 |
| Image forming apparatus having guide for airflow through filter Grant 11,022,929 - Kawasumi June 1, 2 | 2021-06-01 |
| Metal frame of image forming apparatus and image forming apparatus Grant 10,990,059 - Kawasumi , et al. April 27, 2 | 2021-04-27 |
| Image forming apparatus having a duct free of a filter and a duct with a filter Grant 10,990,061 - Kawasumi April 27, 2 | 2021-04-27 |
| Metal Frame Of Image Forming Apparatus And Image Forming Apparatus App 20210063945 - Kawasumi; Ryoichi ; et al. | 2021-03-04 |
| Input Device And Image Forming Apparatus App 20200288026 - Nakayama; Yoshiyuki ; et al. | 2020-09-10 |
| Image forming apparatus having an operation portion with a near field communication portion Grant 10,701,224 - Nakayama , et al. | 2020-06-30 |
| Image Forming Apparatus App 20200201238 - Kawasumi; Ryoichi | 2020-06-25 |
| Image Forming Apparatus App 20200201239 - Kawasumi; Ryoichi | 2020-06-25 |
| Input device performing near field communication with a mobile device and image forming apparatus Grant 10,530,944 - Nakayama , et al. J | 2020-01-07 |
| Image forming apparatus having movable shutter member Grant 10,474,063 - Kawasumi Nov | 2019-11-12 |
| Image Forming Apparatus App 20190332053 - Kawasumi; Ryoichi | 2019-10-31 |
| Input Device And Image Forming Apparatus App 20190335046 - Nakayama; Yoshiyuki ; et al. | 2019-10-31 |
| Input Device And Image Forming Apparatus App 20190037089 - Nakayama; Yoshiyuki ; et al. | 2019-01-31 |
| Input device performing near field communication with a mobile device and image forming apparatus Grant 10,148,833 - Nakayama , et al. De | 2018-12-04 |
| Image Forming Apparatus App 20180143566 - Kawasumi; Ryoichi | 2018-05-24 |
| Input Device And Image Forming Apparatus App 20170310836 - Nakayama; Yoshiyuki ; et al. | 2017-10-26 |
| Developing device Grant 9,606,474 - Kawasumi March 28, 2 | 2017-03-28 |
| Developing device Grant 9,507,292 - Kawasumi November 29, 2 | 2016-11-29 |
| Developing apparatus Grant 9,500,988 - Kawasumi November 22, 2 | 2016-11-22 |
| Developing Apparatus App 20160116862 - Kawasumi; Ryoichi | 2016-04-28 |
| Developing Device App 20160085178 - Kawasumi; Ryoichi | 2016-03-24 |
| Developing Device App 20160033899 - Kawasumi; Ryoichi | 2016-02-04 |
| Image forming apparatus Grant 9,235,161 - Kawasumi January 12, 2 | 2016-01-12 |
| Image forming apparatus Grant 9,152,127 - Kawasumi October 6, 2 | 2015-10-06 |
| Image forming apparatus and connecting method Grant 8,971,756 - Kawasumi March 3, 2 | 2015-03-03 |
| Image Forming Apparatus App 20140205309 - Kawasumi; Ryoichi | 2014-07-24 |
| Image Forming Apparatus App 20140140725 - Kawasumi; Ryoichi | 2014-05-22 |
| Image Forming Apparatus And Connecting Method App 20120308243 - Kawasumi; Ryoichi | 2012-12-06 |
| Process cartridge and image forming apparatus Grant 7,747,191 - Kawasumi June 29, 2 | 2010-06-29 |
| Image forming apparatus with locking means Grant 7,664,427 - Kawasumi , et al. February 16, 2 | 2010-02-16 |
| Image forming apparatus with first and second opening and closing units Grant 7,379,687 - Kawasumi May 27, 2 | 2008-05-27 |
| Image Forming Apparatus App 20070286649 - KAWASUMI; Ryoichi ; et al. | 2007-12-13 |
| Process Cartridge and Image Forming Apparatus App 20070280727 - Kawasumi; Ryoichi | 2007-12-06 |
| Image forming apparatus having a securing member to secure an image forming unit to a housing body Grant 7,187,886 - Kawasumi March 6, 2 | 2007-03-06 |
| Image forming apparatus App 20060104662 - Kawasumi; Ryoichi | 2006-05-18 |
| Image forming apparatus App 20060067733 - Kawasumi; Ryoichi | 2006-03-30 |
| Sheet feeding apparatus and image forming apparatus Grant 6,942,210 - Kawasumi September 13, 2 | 2005-09-13 |
| Sheet feeding apparatus and image forming apparatus App 20030189282 - Kawasumi, Ryoichi | 2003-10-09 |
| Image forming apparatus App 20020039507 - Kawasumi, Ryoichi ; et al. | 2002-04-04 |
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