Inventor

KENGO TAKEDA

Inventor

JP

Overview

2021–2026

Patent span

Chemistry

Primary field (CPC C)

Patents· 36 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C21Dprimary

C21DModifying the physical structure of ferrous metals19%

C22CAlloys19%

C23CCoating metallic material16%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form15%

B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling6%

B41JTypewriters4%

B22DCasting of metals3%

G03GElectrography3%

B21BRolling of metal2%

C23GCleaning or de-greasing of metallic material by chemical methods other than electrolysis2%

PatentTitleYear

12,590,348Steel sheet and method for producing same2026 12,486,552Steel sheet and method for manufacturing steel sheet2025 12,428,697Steel sheet2025 12,421,569Steel sheet and method for producing same2025 12,389,164Loudspeaker2025 12,371,758Steel sheet and method of manufacturing the same2025 12,344,912Steel sheet and manufacturing method thereof2025 12,305,258Steel sheet and manufacturing method thereof2025 12,291,759Steel sheet and manufacturing method thereof2025 12,270,088Steel sheet and method for manufacturing same2025 12,221,666Steel sheet and method for producing same2025 12,173,380Steel sheet and method for producing same2024 12,109,799Printer, control method, and non-transitory computer readable medium2024 12,109,800Printer, control method, and non-transitory computer readable medium2024 12,077,832Steel sheet2024 12,024,752Steel sheet and method for manufacturing same2024 11,970,752Steel sheet2024 11,941,944Information processing apparatus, information reading apparatus, gaming machine, and gaming system2024 11,898,219Steel sheet2024 11,890,865Movable assembly and printing apparatus2024 11,866,800Steel sheet and method of manufacturing the same2024 11,850,863Image recording apparatus, method for image recording, and computer-readable storage medium2023 11,816,955Information processing apparatus, information reading apparatus, gaming machine, and gaming system2023 11,732,321Steel sheet and method of producing same2023 11,709,449Fixing device2023 11,698,596Fixing device fixing developing agent image to sheet by electrostatically spraying charged fixing solution2023 11,635,719Fixing device2023 11,591,675Steel sheet and method for producing same2023 11,571,903Liquid discharge apparatus, head unit and mist collector2023 11,555,234Steel sheet2023 11,472,159High strength steel sheet2022 11,408,045Steel sheet2022 11,274,356Steel sheet, hot-dip galvanized steel sheet and galvannealed steel sheet2022 11,243,488Image forming apparatus2022 11,208,705High-strength cold-rolled steel sheet2021 11,153,689Loudspeaker and method of manufacturing loudspeaker2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2026Patents assigned to NIPPON STEEL CORP (23)· patent assignee history

2021–2025Patents assigned to PANASONIC IP MAN CO LTD (2)· patent assignee history

2021–2026Based in JP· patent location history

2022–2024Patents assigned to BROTHER IND LTD (9)· patent assignee history

2023–2024Patents assigned to UNIVERSAL ENTERTAINMENT CORP (2)· patent assignee history

2025Patents assigned to PANASONIC AUTOMOTIVE SYSTEMS CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON STEEL CORP	23	2021–2026
BROTHER IND LTD	9	2022–2024
PANASONIC IP MAN CO LTD	2	2021–2025
UNIVERSAL ENTERTAINMENT CORP	2	2023–2024
PANASONIC AUTOMOTIVE SYSTEMS CO LTD	1	2025

Locations

Location	Patents	Span
JP	36	2021–2026