Kohama; Akira

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kohama; Akira.The latest application filed is for "organic electroluminescent device".

Company Profile

0.7.7

Kohama; Akira - Otsu JP
Kohama; Akira - Shiga JP
Kohama, Akira - Otsu-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
Luminescent element material and luminescent element comprising the same Grant 7,318,966 - Tominaga , et al. January 15, 2	2008-01-15
Electroluminescent elements Grant 6,921,589 - Kohama , et al. July 26, 2	2005-07-26
Organic electroluminescent device Grant 6,878,209 - Himeshima , et al. April 12, 2	2005-04-12
Pyrromethene metal complex and light emitting device composition and light emitting devices using the same Grant 6,805,978 - Murase , et al. October 19, 2	2004-10-19
Organic electroluminescent device App 20030203100 - Himeshima, Yoshio ; et al.	2003-10-30
Process for producing an organic electroluminescent device Grant 6,633,124 - Himeshima , et al. October 14, 2	2003-10-14
Luminescent element material and luminescent element comprising the same App 20030168970 - Tominaga, Tsuyoshi ; et al.	2003-09-11
Process for manufacturing organic electroluminescent device Grant 6,592,933 - Himeshima , et al. July 15, 2	2003-07-15
Pyrromethene metal complex and light emitting device composition and light emitting devices using the same App 20030082406 - Murase, Seiichiro ; et al.	2003-05-01
Process for producing an organic electroluminescent device App 20030011305 - Himeshima, Yoshio ; et al.	2003-01-16
Electroluminescent elements App 20020160227 - Kohama, Akira ; et al.	2002-10-31
Process for producing an organic electroluminescent device Grant 6,469,439 - Himeshima , et al. October 22, 2	2002-10-22
Process for producing an organic electroluminescent device App 20010009689 - Himeshima, Yoshio ; et al.	2001-07-26
Process For Manufacturing Organic Electroluminescent Device App 20010004469 - HIMESHIMA, YOSHIO ; et al.	2001-06-21

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