Maejima Keita patents

Maejima Keita holds 18 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents18
Recent patents0
First publicationJun 25, 2015
Latest publicationNov 3, 2020

Filing trend

Year-over-year patent counts for this assignee.

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20154
20164
20171
20184
20192
20203
Browse patents by year
YearPatents
20154
20164
20171
20184
20192
20203

Recent patents

Latest publications where this party is an assignee.

Notable patents

Representative or frequently cited publications from precomputed assignee stats.

Technology areas

Mapped technology topics for this assignee.

Company technology slices
TechnologyPatents
Physics18
Operations & Transport7
Electricity4

Frequently asked questions

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

How many patents does Maejima Keita have in patentsdb?
Maejima Keita is linked to 18 publications as assignee in our database.
What technology areas does Maejima Keita patent most?
Top mapped technology areas by patent count: Physics (18); Operations & Transport (7); Electricity (4).
Is Maejima Keita's patent activity growing?
In our data, assignee counts were 2 in 2019 and 3 in 2020 (higher year over year).
What are recent patents assigned to Maejima Keita?
See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.