Oka; Tateki

Patent Applications and Registrations

Patent applications and USPTO patent grants for Oka; Tateki.The latest application filed is for "image fixing device for image forming apparatus including means for locally heating inner wall of fixing means at location corresponding to nip".

Company Profile

0.19.0

Oka; Tateki - Atsugi JP
Oka; Tateki - Toyohashi JP
Oka; Tateki - Osaka JP
Oka; Tateki - Aichi JP
Oka; Tateki - Toyhashi JP
Oka; Tateki - Toyokawa JP
Oka; Tateki - Sakai 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 fixing device for image forming apparatus including means for locally heating inner wall of fixing means at location corresponding to nip Grant 5,303,016 - Oda , et al. April 12, 1	1994-04-12
Image forming apparatus having a plurality of developing devices Grant 5,283,615 - Yokoyama , et al. February 1, 1	1994-02-01
Device for conveying developer in a developing device Grant 5,243,390 - Takemoto , et al. September 7, 1	1993-09-07
Method for forming multi-color images Grant 5,063,127 - Oka , et al. November 5, 1	1991-11-05
Developing apparatus including a partitioning arrangement for partitioning the toner accommodating tank Grant 5,012,285 - Oka , et al. April 30, 1	1991-04-30
Developing apparatus with image quality control Grant 5,003,917 - Toyoshi , et al. April 2, 1	1991-04-02
Electrophotographic image forming apparatus Grant 4,954,843 - Oka , et al. September 4, 1	1990-09-04
Electrophotographic copying method and apparatus Grant 4,785,331 - Oka , et al. November 15, 1	1988-11-15
Copying apparatus Grant 4,659,211 - Oka April 21, 1	1987-04-21
Method of controlling replenishment of toners Grant 4,572,102 - Yuge , et al. February 25, 1	1986-02-25
Volume detecting device Grant 4,506,804 - Oka March 26, 1	1985-03-26
Magnetic brush developing apparatus Grant 4,436,413 - Oka March 13, 1	1984-03-13
Electrographic copying machine of powder image transfer type Grant 4,376,578 - Tanaka , et al. March 15, 1	1983-03-15
Copy paper separating method for use in electrophotographic copying apparatus Grant 4,353,648 - Tanaka , et al. October 12, 1	1982-10-12
Magnetic brush developing method for use in electrography employing dual-component developing material Grant 4,345,014 - Oka , et al. August 17, 1	1982-08-17
Dry process developing method and device employed therefore Grant 4,331,757 - Tanaka , et al. May 25, 1	1982-05-25
Electrographic developing material and developing method employing said developing material Grant 4,301,228 - Kori , et al. November 17, 1	1981-11-17
Electrographic developing method Grant 4,284,702 - Tabuchi , et al. August 18, 1	1981-08-18
Dry process developing apparatus for use in electrophotographic copying machine Grant 4,235,194 - Wada , et al. November 25, 1	1980-11-25

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