OOKUMA; Hiroshi

Patent Applications and Registrations

Patent applications and USPTO patent grants for OOKUMA; Hiroshi.The latest application filed is for "traffic safety assistance device, mobile information terminal, and program".

Company Profile

0.5.8

OOKUMA; Hiroshi - Gumma JP
Ookuma; Hiroshi - 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
Traffic Safety Assistance Device, Mobile Information Terminal, And Program App 20220198930 - OOKUMA; Hiroshi	2022-06-23
Spiro compound having azafluorene ring structure, light-emitting material, and organic electroluminescent device Grant 10,916,711 - Adachi , et al. February 9, 2	2021-02-09
Arylamine Compound And Organic Electroluminescent Device App 20180175301 - OOKUMA; Hiroshi ; et al.	2018-06-21
Compound having an indolocarbazole ring structure and organic electroluminescent device Grant 9,564,600 - Yokoyama , et al. February 7, 2	2017-02-07
Organic electroluminescent device Grant 9,553,272 - Yokoyama , et al. January 24, 2	2017-01-24
Spiro Compound Having Azafluorene Ring Structure, Light-emitting Material, And Organic Electroluminescent Device App 20170018720 - Adachi; Chihaya ; et al.	2017-01-19
Novel Triphenylene Derivatives And Organic Electroluminescent Devices Using Said Derivatives App 20150034924 - Yokoyama; Norimasa ; et al.	2015-02-05
Compound Having An Indolocarbazole Ring Structure And Organic Electroluminescent Device App 20140124756 - Yokoyama; Norimasa ; et al.	2014-05-08
Organic Electroluminescent Device App 20140021451 - Yokoyama; Norimasa ; et al.	2014-01-23

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