PatentsDB

Sumitomo Electric Industries patents

Sumitomo Electric Industries holds 10,915 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents10,915
Recent patents2,821
First publicationJan 1, 2015
Latest publicationApr 2, 2026

Filing trend

Year-over-year patent counts for this assignee.

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
2015728
2016782
2017801
2018965
20191,204
20201,160
20211,066
20221,063
2023851
20241,136
2025936
2026223
Browse patents by year
YearPatents
2015728
2016782
2017801
2018965
20191,204
20201,160
20211,066
20221,063
2023851
20241,136
2025936
2026223

Recent patents

Latest publications where this party is an assignee.

Notable patents

Representative or frequently cited publications from precomputed assignee stats.

Top CPC classifications

Most common classification codes in this portfolio.

Top CPC codes by patent count
CPCPatents
Y02E60/10688
B60R16/0215533
H10D62/8325500
H01L29/1608441
B60R16/02359

Technology areas

Mapped technology topics for this assignee.

Company technology slices
TechnologyPatents
Electricity8,302
Operations & Transport2,876
Physics2,801
Chemistry & Metallurgy2,140
Cross-Sectional Technologies1,883
Mechanical Engineering278
Human Necessities58
Fixed Constructions49
Textiles & Paper48

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Frequently asked questions

Answers are generated from the same data shown on this page.

How many patents does Sumitomo Electric Industries have in patentsdb?
Sumitomo Electric Industries is linked to 10,915 publications as assignee in our database.
What technology areas does Sumitomo Electric Industries patent most?
Top mapped technology areas by patent count: Electricity (8,302); Operations & Transport (2,876); Physics (2,801).
Is Sumitomo Electric Industries's patent activity growing?
In our data, assignee counts were 1,136 in 2024 and 936 in 2025 (lower year over year).
What are recent patents assigned to Sumitomo Electric Industries?
See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.