Tsuru; Seiji

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tsuru; Seiji.The latest application filed is for "developing roller, electrophotographic process cartridge and electrophotographic image forming apparatus".

Company Profile

4.18.20

Tsuru; Seiji - Susono JP
Tsuru; Seiji - Susono-shi JP
Tsuru; Seiji - Tsuchiura JP
Tsuru; Seiji - Shizuoka JP
Tsuru; Seiji - Ibaraki 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
Conductive member Grant 10,996,581 - Muranaka , et al. May 4, 2	2021-05-04
Electrophotographic member having elastic layer with elastic modulus of 0.5 to 3.0 MPA and coating layer with elastic modulus of 5.0 to 100 MPA Grant 10,678,161 - Tsuru , et al.	2020-06-09
Developing roller, electrophotographic process cartridge and electrophotographic image forming apparatus Grant 10,635,019 - Doi , et al.	2020-04-28
Developing Roller, Electrophotographic Process Cartridge And Electrophotographic Image Forming Apparatus App 20200073278 - Doi; Noriyuki ; et al.	2020-03-05
Electrophotographic Member, Electrophotographic Process Cartridge And Electrophotographic Image Forming Apparatus App 20200041928 - Tsuru; Seiji ; et al.	2020-02-06
Conductive Member App 20180039201 - Muranaka; Norifumi ; et al.	2018-02-08
Conductive member Grant 9,811,021 - Muranaka , et al. November 7, 2	2017-11-07
Developer carrying member, electrophotographic process cartridge, and electrophotographic image forming apparatus Grant 9,625,854 - Koyanagi , et al. April 18, 2	2017-04-18
Conductive Member App 20160054674 - Muranaka; Norifumi ; et al.	2016-02-25
Developer Carrying Member, Electrophotographic Process Cartridge, And Electrophotographic Image Forming Apparatus App 20150355570 - Koyanagi; Takashi ; et al.	2015-12-10
Electroconductive member, process cartridge and electrophotographic image forming apparatus Grant 9,023,465 - Yamada , et al. May 5, 2	2015-05-05
Electroconductive member, process cartridge and electrophotographic apparatus Grant 8,449,975 - Hirakoso , et al. May 28, 2	2013-05-28
Member For Electrophotography, Process Cartridge, And Electrophotographic Apparatus App 20130130022 - Uesugi; Tomoya ; et al.	2013-05-23
Conductive Member, Process Cartridge, And Electrophotographic Apparatus App 20120308261 - Tsuru; Seiji ; et al.	2012-12-06
Electro-conductive member for electrophotography, process cartridge, and electrophotographic apparatus Grant 8,298,670 - Muranaka , et al. October 30, 2	2012-10-30
Conductive Member App 20120251171 - Muranaka; Norifumi ; et al.	2012-10-04
Electroconductive Member, Process Cartridge And Electrophotographic Apparatus App 20120070188 - Hirakoso; Yuka ; et al.	2012-03-22
Electro-conductive Member For Electrophotography, Process Cartridge, And Electrophotographic Apparatus App 20120027456 - Muranaka; Norifumi ; et al.	2012-02-02
Electroconductive Member, Process Cartridge And Electrophotographic Image Forming Apparatus App 20120020700 - Yamada; Satoru ; et al.	2012-01-26
Heat exchanger for air compressor Grant 7,172,015 - Miura , et al. February 6, 2	2007-02-06
Compressor remote monitoring system Grant 7,136,781 - Saito , et al. November 14, 2	2006-11-14
Charging member, process cartridge, and electrophotographic apparatus Grant 7,054,579 - Taniguchi , et al. May 30, 2	2006-05-30
Conductive member, and process cartridge and electrophotographic apparatus which make use of the same Grant 6,962,746 - Taniguchi , et al. November 8, 2	2005-11-08
Heat exchanger for air compressor App 20050082044 - Miura, Haruo ; et al.	2005-04-21
Charging member, process cartridge, and electrophotographic apparatus App 20040265006 - Taniguchi, Tomohito ; et al.	2004-12-30
Screw compressor Grant 6,679,689 - Takahashi , et al. January 20, 2	2004-01-20
Conductive member, and process cartridge and electrophotographic apparatus which make use of the same App 20030219589 - Taniguchi, Tomohito ; et al.	2003-11-27
Screw compressor system and operating method thereof Grant 6,599,094 - Kanazaki , et al. July 29, 2	2003-07-29
Screw compressor Grant 6,572,350 - Takahashi , et al. June 3, 2	2003-06-03
Compressor remote monitoring system App 20030055534 - Saito, Takashi ; et al.	2003-03-20
Screw compressor App 20020081213 - Takahashi, Kazuki ; et al.	2002-06-27
Screw compressor system and operating method thereof App 20020071769 - Kanazaki, Kazuya ; et al.	2002-06-13
Heat exchanger for air compressor App 20020050345 - Miura, Haruo ; et al.	2002-05-02
Air compressor and method of operating the same App 20020001523 - Tsuru, Seiji ; et al.	2002-01-03
Screw compressor App 20020001531 - Takahashi, Kazuki ; et al.	2002-01-03
Operation control system of rotary displacement type vacuum pump Grant 4,664,601 - Uchida , et al. May 12, 1	1987-05-12

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