Inventor
YOSHIOKA KOH
JP27 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIOKA KOH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYO KOHAN CO LTD
19 patentsUS11699824B2Jul 11, 2023
Nickel-plated, heat-treated steel sheet for battery cans
TOYO KOHAN CO LTD4 citations84
US10950828B2Mar 16, 2021
Surface-treated steel sheet for battery containers
TOYO KOHAN CO LTD5 citations83
US10873061B2Dec 22, 2020
Nickel-plated, heat-treated steel sheet for battery cans
TOYO KOHAN CO LTD5 citations83
US10665825B2May 26, 2020
Surface-treated steel sheet for battery containers, battery container, and battery
TOYO KOHAN CO LTD3 citations72
US12448697B2Oct 21, 2025
Surface-treated steel sheet and production method therefor
TOYO KOHAN CO LTD1 citations64
US12199294B2Jan 14, 2025
Surface-treated steel sheet for cell container
TOYO KOHAN CO LTD0 citations61
US11799156B2Oct 24, 2023
Surface-treated steel sheet for cell container
TOYO KOHAN CO LTD0 citations61
US11760063B2Sep 19, 2023
Roughened nickel-plated sheet
TOYO KOHAN CO LTD0 citations59
US12104271B2Oct 1, 2024
Roughened plated sheet
TOYO KOHAN CO LTD0 citations57
US11732376B2Aug 22, 2023
Roughened plated sheet
TOYO KOHAN CO LTD0 citations57
US12476256B2Nov 18, 2025
Electrolytic foil and battery current collector
TOYO KOHAN CO LTD0 citations54
US12018395B2Jun 25, 2024
Roughened nickel-plated material and method for manufacturing same
TOYO KOHAN CO LTD0 citations52
US12322809B2Jun 3, 2025
Current collector for battery, and battery
TOYO KOHAN CO LTD0 citations51
US10030283B2Jul 24, 2018
Method for producing surface-treated steel sheet for battery containers
TOYO KOHAN CO LTD0 citations51
US9911948B2Mar 6, 2018
Surface-treated steel sheet for battery containers, battery container, and battery
TOYO KOHAN CO LTD0 citations51
US9887396B2Feb 6, 2018
Surface-treated steel sheet for battery containers, battery container, and battery
TOYO KOHAN CO LTD0 citations51
US12270109B2Apr 8, 2025
Surface-treated steel sheet and method for manufacturing the same
TOYO KOHAN CO LTD0 citations48
US11242591B2Feb 8, 2022
Surface-treated metal plate, cell container, and cell
TOYO KOHAN CO LTD0 citations48
US12325928B2Jun 10, 2025
Roughened nickel-plated sheet
TOYO KOHAN CO LTD0 citations41
TOMOMORI TATSUO
5 patentsUS9080692B2Jul 14, 2015
Steel sheet used to manufacture pipe and having corrosion-resistant properties against fuel vapors, and pipe and fuel supply pipe that use same
TOMOMORI TATSUO23 citations90
US9700928B2Jul 11, 2017
Steel plate for producing pipe highly resistant to fuel vapor corrosion, pipe using same and method for producing pipe
TOMOMORI TATSUO0 citations50
US9498933B2Nov 22, 2016
Surface-treated metal sheet and process for producing formed article from the surface-treated metal sheet
TOMOMORI TATSUO0 citations50
US11223069B2Jan 11, 2022
Surface-treated steel sheet for battery cases, battery case and battery
TOMOMORI TATSUO0 citations44
US9194530B2Nov 24, 2015
Nickel-plated steel sheet for manufacturing pipe having corrosion resistance against fuel vapors, pipe which uses the steel sheet, and fuel supply pipe which uses the steel sheet
TOMOMORI TATSUO0 citations39