Kogawara; Toshiro

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kogawara; Toshiro.The latest application filed is for "modified nigrosine, its production method, and toner for developing electrostatic charge images using this modified nigrosine".

Company Profile

0.4.4

Kogawara; Toshiro - Saitama JP
Kogawara; Toshiro - Saitama-shi JP
Kogawara; Toshiro - Iwatsuki JP
Kogawara, Toshiro - Iwatsuki-shi 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
Modified nigrosine, its production method, and toner for developing electrostatic charge images using this modified nigrosine Grant 7,732,114 - Amaya , et al. June 8, 2	2010-06-08
Modified Nigrosine, Its Production Method, and Toner for Developing Electrostatic Charge Images Using This Modified Nigrosine App 20070264589 - Amaya; Shinji ; et al.	2007-11-15
Electrophotographic carrier, developer using the same, and developing method Grant 6,653,040 - Ohba , et al. November 25, 2	2003-11-25
Electrophotographic carrier, developer using the same, and developing method App 20020081514 - Ohba, Katsunori ; et al.	2002-06-27
Developer for electrostatic image development and image forming method using the same App 20020015905 - Isonaka, Takeshi ; et al.	2002-02-07
Developer for electrostatic image development App 20010019805 - Ohba, Katsunori ; et al.	2001-09-06
Toner for electrostatic image development Grant 6,248,491 - Takayanagi , et al. June 19, 2	2001-06-19
Color toner composition for developing electrostatic images Grant 4,931,370 - Amaya , et al. June 5, 1	1990-06-05

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