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Sotoyama Wataru patents

Sotoyama Wataru holds 10 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
Metric	Value
Total patents	10
Recent patents	0
First publication	Feb 26, 2015
Latest publication	Mar 9, 2021

Filing trend

Year-over-year patent counts for this assignee.

Filing activity over the last five years is stable.

Patents filed per year
Year	Patents
2015	2
2016	1
2017	2
2018	2
2019	2
2021	1

Browse patents by year
Year	Patents
2015	2
2016	1
2017	2
2018	2
2019	2
2021	1

Recent patents

Latest publications where this party is an assignee.

Organic electroluminescent element and compound
US-10944061-B2 · Mar 9, 2021 · US
Organic electroluminescent element and compound
US-10505116-B2 · Dec 10, 2019 · US
Organic electric light emitting element, material for said element, and light emitting device, display device, and illumination device employing said element
US-10468607-B2 · Nov 5, 2019 · US
Organic electric-field light-emitting element, light-emitting material for organic electric-field light-emitting element, and light-emitting device, display device, and illumination device using same element
US-9954190-B2 · Apr 24, 2018 · US
Organic electroluminescent element, material for organic electroluminescent element, and light emitting device, display device and lighting device each using organic electroluminscent element
US-9876175-B2 · Jan 23, 2018 · US

Notable patents

Representative or frequently cited publications from precomputed assignee stats.

Technology areas

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Chemistry & Metallurgy	10
Electricity	10