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Ueda Keiji patents

Ueda Keiji holds 9 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
Metric	Value
Total patents	9
Recent patents	2
First publication	Jan 22, 2015
Latest publication	Dec 30, 2025

Filing trend

Year-over-year patent counts for this assignee.

Filing activity appears stable based on the most recent years.

Patents filed per year
Year	Patents
2015	3
2017	2
2018	2
2025	2

Browse patents by year
Year	Patents
2015	3
2017	2
2018	2
2025	2

Recent patents

Latest publications where this party is an assignee.

Liquid discharge head, liquid discharge device, and liquid discharge apparatus
US-12508808-B2 · Dec 30, 2025 · US
Liquid discharge head and liquid discharge apparatus
US-12275247-B2 · Apr 15, 2025 · US
Abrasion resistant steel plate or steel sheet excellent in resistance to stress corrosion cracking and method for manufacturing the same
US-9938599-B2 · Apr 10, 2018 · US
Abrasion resistant steel plate or steel sheet excellent in resistance to stress corrosion cracking and method for manufacturing the same
US-9879334-B2 · Jan 30, 2018 · US
PZT precursor solution, method for producing PZT precursor solution, method for producing PZT film, method for producing electromechanical transducer element, and method for producing liquid discharge head
US-9834853-B2 · Dec 5, 2017 · 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
Operations & Transport	7
Electricity	5
Chemistry & Metallurgy	4
Cross-Sectional Technologies	3