PatentsDB

Ihi Machinery & Furnace Co Ltd patents

Ihi Machinery & Furnace Co Ltd holds 48 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents48
Recent patents2
First publicationSep 22, 2015
Latest publicationJul 10, 2025

Filing trend

Year-over-year patent counts for this assignee.

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20152
20166
201718
20186
20196
20206
20221
20232
20251
Browse patents by year
YearPatents
20152
20166
201718
20186
20196
20206
20221
20232
20251

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
Chemistry & Metallurgy44
Mechanical Engineering43
Operations & Transport10
Textiles & Paper3
Electricity3
Cross-Sectional Technologies2
Physics1

Frequently asked questions

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

How many patents does Ihi Machinery & Furnace Co Ltd have in patentsdb?
Ihi Machinery & Furnace Co Ltd is linked to 48 publications as assignee in our database.
What technology areas does Ihi Machinery & Furnace Co Ltd patent most?
Top mapped technology areas by patent count: Chemistry & Metallurgy (44); Mechanical Engineering (43); Operations & Transport (10).
Is Ihi Machinery & Furnace Co Ltd's patent activity growing?
In our data, assignee counts were 2 in 2023 and 1 in 2025 (lower year over year).
What are recent patents assigned to Ihi Machinery & Furnace Co Ltd?
See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.