Inventor
OSHIMA KEIICHIRO
JP14 patents
⚠️ This page may combine multiple inventors who share the name “OSHIMA KEIICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TAKEMOTO OIL & FAT CO LTD
13 patentsUS12509818B2Dec 30, 2025
Synthetic fiber processing agent, and synthetic fiber
TAKEMOTO OIL & FAT CO LTD0 citations62
US12435464B2Oct 7, 2025
Treatment agent, flame resistant fiber nonwoven fabric, carbon fiber nonwoven fabric, and methods for producing same
TAKEMOTO OIL & FAT CO LTD0 citations61
US12351949B2Jul 8, 2025
Synthetic fiber treatment agent and synthetic fiber
TAKEMOTO OIL & FAT CO LTD0 citations60
US12134857B2Nov 5, 2024
Elastic fiber treating agent and elastic fibers
TAKEMOTO OIL & FAT CO LTD0 citations59
US11834777B2Dec 5, 2023
Elastic fiber treating agent and elastic fibers
TAKEMOTO OIL & FAT CO LTD0 citations59
US12077905B2Sep 3, 2024
Elastic fiber processing agent and elastic fiber
TAKEMOTO OIL & FAT CO LTD0 citations58
US11926956B2Mar 12, 2024
Elastic fiber treating agent and elastic fiber
TAKEMOTO OIL & FAT CO LTD0 citations58
US12123131B2Oct 22, 2024
Synthetic fiber processing agent and synthetic fiber
TAKEMOTO OIL & FAT CO LTD0 citations56
US12065776B2Aug 20, 2024
Sizing agent for inorganic fiber, inorganic fiber and production method therefor, and composite material
TAKEMOTO OIL & FAT CO LTD0 citations56
US11591747B2Feb 28, 2023
Treatment agent for elastic fiber
TAKEMOTO OIL & FAT CO LTD0 citations56
US11447634B2Sep 20, 2022
Treatment agent for carbon fiber precursor and carbon fiber precursor
TAKEMOTO OIL & FAT CO LTD0 citations54
US12221746B2Feb 11, 2025
Treatment agent for carbon fiber precursors, and carbon fiber precursor
TAKEMOTO OIL & FAT CO LTD0 citations51
US12123130B2Oct 22, 2024
Treatment agent for elastic fibers, and elastic fiber
TAKEMOTO OIL & FAT CO LTD0 citations49