Chiyoda Corp patents

Chiyoda Corp holds 185 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents185
Recent patents43
First publicationJan 22, 2015
Latest publicationMar 19, 2026

Filing trend

Year-over-year patent counts for this assignee.

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
201514
201619
201723
201822
201913
202024
20219
202213
202310
202411
202517
202610
Browse patents by year
YearPatents
201514
201619
201723
201822
201913
202024
20219
202213
202310
202411
202517
202610

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
Y02P20/5222
C01B3/2615
F25J1/002215
F25J1/021615
C07C4/0614

Technology areas

Mapped technology topics for this assignee.

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Frequently asked questions

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

How many patents does Chiyoda Corp have in patentsdb?
Chiyoda Corp is linked to 185 publications as assignee in our database.
What technology areas does Chiyoda Corp patent most?
Top mapped technology areas by patent count: Chemistry & Metallurgy (97); Operations & Transport (94); Cross-Sectional Technologies (52).
Is Chiyoda Corp's patent activity growing?
In our data, assignee counts were 11 in 2024 and 17 in 2025 (higher year over year).
What are recent patents assigned to Chiyoda Corp?
See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.