Matsukawa; Akihisa

Patent Applications and Registrations

Patent applications and USPTO patent grants for Matsukawa; Akihisa.The latest application filed is for "image forming apparatus".

Company Profile

2.14.19

Matsukawa; Akihisa - Tokyo JP
Matsukawa; Akihisa - Fuchu JP
Matsukawa; Akihisa - Fuchu-shi JP
Matsukawa; Akihisa - Yachimata-shi JP
Matsukawa; Akihisa - Suntou-gun N/A JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Image Forming Apparatus App 20220206415 - Tanaka; Hiroki ; et al.	2022-06-30
Image Forming Apparatus App 20220187734 - Isobe; Yuta ; et al.	2022-06-16
Method For Producing Microchannel Device App 20220177300 - Yamamoto; Takeshi ; et al.	2022-06-09
Microchannel Device App 20220168731 - Yamamoto; Takeshi ; et al.	2022-06-02
Developing device having magnetic field generating members, image forming apparatus and cartridge Grant 10,620,568 - Tanaka , et al.	2020-04-14
Developing Device, Image Forming Apparatus And Cartridge App 20190317429 - Tanaka; Hiroki ; et al.	2019-10-17
Image forming apparatus, process cartridge, developing cartridge, and drum cartridge Grant 10,209,668 - Matsukawa , et al. Feb	2019-02-19
Image Forming Apparatus, Process Cartridge, Developing Cartridge, And Drum Cartridge App 20180224799 - Matsukawa; Akihisa ; et al.	2018-08-09
Developing apparatus, process cartridge, and image forming apparatus Grant 9,977,368 - Tanaka , et al. May 22, 2	2018-05-22
Image forming apparatus, process cartridge, developing cartridge, and drum cartridge Grant 9,971,298 - Matsukawa , et al. May 15, 2	2018-05-15
Developing device, process cartridge, and image forming apparatus Grant 9,910,405 - Watanabe , et al. March 6, 2	2018-03-06
Image forming apparatus having potential difference control Grant 9,904,202 - Matsukawa , et al. February 27, 2	2018-02-27
Image Forming Apparatus, Process Cartridge, Developing Cartridge, And Drum Cartridge App 20180024495 - Matsukawa; Akihisa ; et al.	2018-01-25
Developing Apparatus, Process Cartridge, And Image Forming Apparatus App 20180024468 - Tanaka; Hiroki ; et al.	2018-01-25
Image forming apparatus having cleaner-less developer system Grant 9,835,973 - Goto , et al. December 5, 2	2017-12-05
Image forming apparatus having an image bearing member charged with predetermined polarity and potential Grant 9,727,002 - Iwayama , et al. August 8, 2	2017-08-08
Image Forming Apparatus App 20170075249 - Matsukawa; Akihisa ; et al.	2017-03-16
Developing Device, Process Cartridge, And Image Forming Apparatus App 20170068211 - Watanabe; Takanori ; et al.	2017-03-09
Image Forming Apparatus Having An Image Bearing Member Charged With Predetermined Polarity And Potential App 20160342104 - Iwayama; Hiroyoshi ; et al.	2016-11-24
Cartridge and image forming apparatus Grant 9,465,322 - Matsukawa , et al. October 11, 2	2016-10-11
Image forming apparatus having an image bearing member charged with predetermined polarity and potential Grant 9,442,454 - Iwayama , et al. September 13, 2	2016-09-13
Image Forming Apparatus App 20160252841 - Goto; Gosuke ; et al.	2016-09-01
Image forming apparatus Grant 9,429,868 - Usui , et al. August 30, 2	2016-08-30
Image Forming Apparatus App 20160054676 - Usui; Yusuke ; et al.	2016-02-25
Cartridge And Image Forming Apparatus App 20160026118 - Matsukawa; Akihisa ; et al.	2016-01-28
Developing unit and process cartridge Grant 9,239,546 - Matsukawa , et al. January 19, 2	2016-01-19
Image Forming Apparatus App 20150362885 - Iwayama; Hiroyoshi ; et al.	2015-12-17
Developing Unit And Process Cartridge App 20150227083 - Matsukawa; Akihisa ; et al.	2015-08-13
Developer Container, Developing Apparatus, Process Cartridge And Image Forming Apparatus App 20150125166 - Matsukawa; Akihisa ; et al.	2015-05-07
Developer Container Unit, Developing Unit, And Process Cartridge App 20140186062 - Mitsui; Yoshihiro ; et al.	2014-07-03
Image forming apparatus and process cartridge Grant 8,565,624 - Matsukawa , et al. October 22, 2	2013-10-22
Image Forming Apparatus And Process Cartridge App 20110243580 - Matsukawa; Akihisa ; et al.	2011-10-06

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.