Inventor
SAKATA YOSHIHIRO
JP33 patents
⚠️ This page may combine multiple inventors who share the name “SAKATA YOSHIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUI CHEMICALS INC
10 patentsUS6531568B1Mar 11, 2003
Polyimide containing crosslinkable group and process for producing the same
MITSUI CHEMICALS INC45 citations92
US6080833AJun 27, 2000
Low-birefringent organic optical component and a spirobiindan polymer
MITSUI CHEMICALS INC51 citations92
US6458912B1Oct 1, 2002
Crystalline polyimide for melt molding with satisfactory thermal stability
MITSUI CHEMICALS INC24 citations91
US5990261ANov 23, 1999
Organic optical component
MITSUI CHEMICALS INC6 citations73
US10297817B2May 21, 2019
Negative electrode for lithium ion secondary cell, lithium-ion secondary cell, mixture paste for negative electrode for lithium-ion secondary cell, and method for manufacturing negative electrode for lithium-ion secondary cell
MITSUI CHEMICALS INC3 citations68
US6103860AAug 15, 2000
Fluorine-containing polyamide
MITSUI CHEMICALS INC3 citations62
US9902810B2Feb 27, 2018
Polyamic acid, varnish comprising same and polyimide film
MITSUI CHEMICALS INC1 citations51
US10351673B2Jul 16, 2019
Block polyimide, block polyamide acid imide and use thereof
MITSUI CHEMICALS INC0 citations41
US9856399B2Jan 2, 2018
Polyamic acid, varnish containing same, and polyimide film
MITSUI CHEMICALS INC0 citations41
US9850346B2Dec 26, 2017
Transparent polyimide and precursor thereof
MITSUI CHEMICALS INC0 citations41
NISSHA CO LTD
6 patentsUS10190864B2Jan 29, 2019
Multipoint-measurement strain sensor and method for producing the same
NISSHA CO LTD2 citations69
US11397498B2Jul 26, 2022
Electrode film and method for manufacturing same
NISSHA CO LTD0 citations60
US12115706B2Oct 15, 2024
Molded article, electrical product and method for producing molded article
NISSHA CO LTD0 citations51
US12074388B2Aug 27, 2024
Cover with antenna function
NISSHA CO LTD0 citations50
US12032194B2Jul 9, 2024
Illumination display panel and method of manufacturing the same
NISSHA CO LTD0 citations49
US12308513B2May 20, 2025
Antenna device
NISSHA CO LTD0 citations42
MITSUI TOATSU CHEMICALS
4 patentsUS5470943ANov 28, 1995
Polyimide
MITSUI TOATSU CHEMICALS27 citations92
US5354839AOct 11, 1994
Polyimide and preparation process of same
MITSUI TOATSU CHEMICALS23 citations92
US5506291AApr 9, 1996
Polyimide resin composition having excellent fatigue resistance and injection molded article of same
MITSUI TOATSU CHEMICALS3 citations62
US5494996AFeb 27, 1996
Polyimide resin composition
MITSUI TOATSU CHEMICALS4 citations62
FUKUKAWA KENICHI
3 patentsUS9339992B2May 17, 2016
Low-thermal-expansion block polyimide, precursor thereof, and use thereof
FUKUKAWA KENICHI3 citations69
US9540487B2Jan 10, 2017
Polyimide composite material and film thereof
FUKUKAWA KENICHI0 citations48
US9752030B2Sep 5, 2017
Polyamic acid and polyimide, processes for the production of same, compositions containing same, and uses thereof
FUKUKAWA KENICHI0 citations38
NISSHA PRINTING
3 patentsUS8852852B2Oct 7, 2014
Narrow frame touch input sheet, manufacturing method of same, and conductive sheet used in narrow frame touch input sheet
NISSHA PRINTING0 citations51
US9023592B2May 5, 2015
Narrow frame touch input sheet with good anticorrosion property and manufacturing method thereof
NISSHA PRINTING1 citations49
US10527938B2Jan 7, 2020
Method for producing electrical wiring member and electrical wiring member
NISSHA PRINTING0 citations34