Itaya; Masahiko

Patent Applications and Registrations

Patent applications and USPTO patent grants for Itaya; Masahiko.The latest application filed is for "electrophotographic image forming apparatus and developing method thereof".

Company Profile

0.21.14

Itaya; Masahiko - Suwon-si KR
Itaya; Masahiko - Tokyo JP
Itaya; Masahiko - Akishima JP
Itaya, Masahiko - Akishima-shi JP
Itaya; Masahiko - Hachioji JP
Itaya; Masahiko - Hachioj JP
Itaya; Masahiko - Tachikawa 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
Electrophotographic image forming apparatus and developing method thereof Grant 7,715,748 - Shin , et al. May 11, 2	2010-05-11
Electrophotolithographic image forming device and image developing method Grant 7,519,318 - Kurogawa , et al. April 14, 2	2009-04-14
Hybrid type developing apparatus and developing method Grant 7,489,893 - Teraoka , et al. February 10, 2	2009-02-10
Electrophotographic image forming apparatus and developing method thereof App 20070092288 - Shin; Kyu-cheol ; et al.	2007-04-26
Hybrid type developing apparatus and developing method App 20070019995 - Teraoka; Tsutomu ; et al.	2007-01-25
Electrophotographic image forming apparatus and method App 20070014593 - Kurogawa; Naonori ; et al.	2007-01-18
Electrophotographic image forming apparatus and method of developing an image App 20070003328 - Kurogawa; Naonori ; et al.	2007-01-04
Electrophotographic image forming apparatus and method App 20060280525 - Shin; Kyu-Cheol ; et al.	2006-12-14
Liquid developer for image forming apparatus Grant 7,141,346 - Teraoka , et al. November 28, 2	2006-11-28
Electrophotolithographic image forming device and image developing method App 20060222416 - Kurogawa; Naonori ; et al.	2006-10-05
Electrophotographic image forming device and developing method thereof App 20060222390 - Sasaki; Tsutomu ; et al.	2006-10-05
Developing device using a developing liquid and image forming apparatus including the same Grant 7,004,650 - Sasaki , et al. February 28, 2	2006-02-28
Developing device using a developing liquid and image forming apparatus including the same App 20050147408 - Sasaki, Tsutomu ; et al.	2005-07-07
Liquid developer, image-fixing apparatus using the same, and image-forming apparatus using the same Grant 6,897,002 - Teraoka , et al. May 24, 2	2005-05-24
Methods for forming and developing an image Grant 6,876,822 - Sasaki , et al. April 5, 2	2005-04-05
Liquid developer for image forming apparatus App 20040241567 - Teraoka, Tsutomu ; et al.	2004-12-02
Developing device using a developing liquid and image forming apparatus including the same App 20040086291 - Sasaki, Tsutomu ; et al.	2004-05-06
Developing device using a developing liquid including a rotatable agitator in a developing liquid reservoir and image forming apparatus including the same Grant 6,694,112 - Sasaki , et al. February 17, 2	2004-02-17
Liquid developer, image-fixing apparatus using the same, and image-forming apparatus using the same App 20030186157 - Teraoka, Tsutomu ; et al.	2003-10-02
Method and device for measuring a substance concentration in a liquid Grant 6,515,747 - Satoh , et al. February 4, 2	2003-02-04
Electrophotographic color image formation using liquid developers App 20020085860 - Itaya, Masahiko	2002-07-04
Developing device using a developing liquid and image forming apparatus including the same App 20020021429 - Sasaki, Tsutomu ; et al.	2002-02-21
Developing device using a developing liquid and image forming apparatus including the same App 20010021323 - Itaya, Masahiko ; et al.	2001-09-13
Image forming apparatus using wet type developing device Grant 6,108,508 - Takeuchi , et al. August 22, 2	2000-08-22
Image forming apparatus using a liquid development system Grant 6,038,421 - Yoshino , et al. March 14, 2	2000-03-14
Ghostless developed image forming apparatus and method Grant 5,937,247 - Takeuchi , et al. August 10, 1	1999-08-10
Image forming apparatus Grant 5,054,419 - Itaya , et al. October 8, 1	1991-10-08
Color image forming apparatus Grant 5,030,988 - Haneda , et al. July 9, 1	1991-07-09
Paper separating charger capable of discharging currents of various duty factors and frequencies Grant 4,979,000 - Hamada , et al. December 18, 1	1990-12-18
Method of regulating the thickness of a developer layer containing magnetic carrier and toner particles Grant 4,908,291 - Fuma , et al. March 13, 1	1990-03-13
Developer layer forming apparatus Grant 4,814,818 - Fuma , et al. March 21, 1	1989-03-21
Image forming apparatus Grant 4,669,864 - Shoji , et al. June 2, 1	1987-06-02
Brush cleaning device Grant 4,530,597 - Itaya , et al. July 23, 1	1985-07-23
Toner cleaning method and apparatus in which voltage is impressed between electrostatic image holder and a film member Grant 4,530,595 - Itaya , et al. July 23, 1	1985-07-23
Developing apparatus and a developing method of an electrostatic image Grant 4,480,911 - Itaya , et al. November 6, 1	1984-11-06

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