Ishidai; Keiko

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ishidai; Keiko.The latest application filed is for "organic electroluminescent element, method for producing organic electroluminescent element, display, and lighting device".

Company Profile

1.11.15

Ishidai; Keiko - Hachioji JP
ISHIDAI; Keiko - Hachioji-shi JP
Ishidai; Keiko - Tokyo 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
Organic electroluminescent element, method for producing organic electroluminescent element, display, and lighting device Grant 10,483,471 - Ishidai , et al. Nov	2019-11-19
Organic Electroluminescent Element, Method For Producing Organic Electroluminescent Element, Display, And Lighting Device App 20170194574 - ISHIDAI; Keiko ; et al.	2017-07-06
Organic Electroluminescent Element, Display Device, And Lighting Device App 20160285008 - OKUBO; Yasushi ; et al.	2016-09-29
Production process for colorant, colorant composition, toner, ink for ink jet recording and color filter Grant 9,062,225 - Ishidai , et al. June 23, 2	2015-06-23
Toner for electrophotography and metal-containing compound Grant 8,846,965 - Ookubo , et al. September 30, 2	2014-09-30
Copper complex compound and electrophotographic toner containing the same Grant 8,729,285 - Daifuku , et al. May 20, 2	2014-05-20
Production Process For Colorant, Colorant Composition, Toner, Ink For Ink Jet Recording And Color Filter App 20130260306 - ISHIDAI; Keiko ; et al.	2013-10-03
Method For Producing Cyanoacetic Acid, Method For Producing Cyanoacetic Acid Derivative And Method For Producing Metal Containing Compound App 20130253213 - IKEMIZU; Dai ; et al.	2013-09-26
Electrophotographic toner Grant 8,329,368 - Daifuku , et al. December 11, 2	2012-12-11
Pyrazolotriazole compound and electrophotographic toner Grant 8,269,018 - Ookubo , et al. September 18, 2	2012-09-18
Toner For Electrophotography And Metal-containing Compound App 20120116110 - Ookubo; Kimihiko ; et al.	2012-05-10
Pyrazolotriazole Compound And Electrophotographic Toner App 20110300481 - OOKUBO; Kimihiko ; et al.	2011-12-08
Copper Complex Compound And Electrophotographic Toner Containing The Same App 20110152556 - DAIFUKU; Koji ; et al.	2011-06-23
Copper complex compound and electrophotographic toner containing the same Grant 7,943,279 - Daifuku , et al. May 17, 2	2011-05-17
Pyrazolotriazole Compound And Electrophotographic Toner App 20090233207 - OOKUBO; Kimihiko ; et al.	2009-09-17
Copper Complex Compound And Electrophotographic Toner Containing The Same App 20090233208 - DAIFUKU; Koji ; et al.	2009-09-17
Electrophotographic Toner App 20090233209 - Daifuku; Koji ; et al.	2009-09-17
Electrophotographic toner, image forming method, dye and metal chelate dye App 20070259282 - Ishidai; Keiko ; et al.	2007-11-08
Photopolymerizable composition, light sensitive planographic printing plate material and manufacturing method of planographic printing plate Grant 7,270,938 - Ishidai September 18, 2	2007-09-18
Photopolymerizable composition, light sensitive planographic printing plate material and manufacturing method of planographic printing plate App 20060216647 - Ishidai; Keiko	2006-09-28
Photopolymerizable composition, light sensitive planographic printing plate material and manufacturing method of planographic printing plate App 20060147840 - Ishidai; Keiko	2006-07-06

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