Inventor

Yoshihiro Sakata

Inventor
Kanagawa, JP

Overview

26→
Patents
1976–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 26 as inventor

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

C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds19%
C08LCompositions of macromolecular compounds10%
C08JWorking-up7%
H05KPrinted circuits7%
C09DCoating compositions, e.g. paints, varnishes or lacquers6%
G06FElectric digital data processing6%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form5%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices5%
H01BCables5%
Y10TTechnical subjects covered by former us classification4%
PatentTitleYear
10,527,938Method for producing electrical wiring member and electrical wiring member202010,351,673Block polyimide, block polyamide acid imide and use thereof201910,297,817Negative 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 cell201910,190,864Multipoint-measurement strain sensor and method for producing the same20199,902,810'Polyamic acid, varnish comprising same and polyimide film'20189,856,399'Polyamic acid, varnish containing same, and polyimide film'20189,850,346Transparent polyimide and precursor thereof20179,752,030'Polyamic acid and polyimide, processes for the production of same, compositions containing same, and uses thereof'20179,540,487'Polyimide composite material and film thereof'20179,339,992'Low-thermal-expansion block polyimide, precursor thereof, and use thereof'20169,023,592'Narrow frame touch input sheet with good anticorrosion property and manufacturing method thereof'20158,852,852'Narrow frame touch input sheet, manufacturing method of same, and conductive sheet used in narrow frame touch input sheet'20148,723,046'Narrow frame touch input sheet with good anticorrosion property and manufacturing method thereof'20148,581,871'Narrow frame touch input sheet, manufacturing method of same, and conductive sheet used in narrow frame touch input sheet'20136,531,568'Polyimide containing crosslinkable group and process for producing the same'20036,458,912'Crystalline polyimide for melt molding with satisfactory thermal stability'20026,103,860'Fluorine-containing polyamide'20006,080,833'Low-birefringent organic optical component and a spirobiindan polymer'20006,061,028'Plane antenna system for mobile communication equipment'20005,990,261'Organic optical component'19995,506,291'Polyimide resin composition having excellent fatigue resistance and injection molded article of same'19965,494,996'Polyimide resin composition'19965,470,943'Polyimide'19955,354,839'Polyimide and preparation process of same'19943,978,911'Tilting centrifugal casting machine'19763,977,463'Inclined type centrifugal casting apparatus'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Based in Kitakyushu, JP· patent location history
1994–1996Patents assigned to MITSUI TOATSU CHEMICALS (4)· patent assignee history
1994–2003Based in Kanagawa, JP· patent location history
1999–2019Patents assigned to MITSUI CHEMICALS INC (13)· patent assignee history
2013–2020Patents assigned to NISSHA PRINTING (5)· patent assignee history
2013–2017Patents assigned to SAKATA YOSHIHIRO (5)· patent assignee history
2013–2020Based in Kyoto, JP· patent location history
2016–2017Patents assigned to FUKUKAWA KENICHI (3)· patent assignee history
2016Based in Sodegaura, JP· patent location history
2017–2019Based in Ichikawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUI CHEMICALS INC131999–2019
NISSHA PRINTING52013–2020
SAKATA YOSHIHIROself52013–2017
MITSUI TOATSU CHEMICALS41994–1996
FUKUKAWA KENICHI32016–2017
Locations
LocationPatentsSpan
Kanagawa, JP91994–2003
Ichikawa, JP72017–2019
Kyoto, JP62013–2020
Kitakyushu, JP21976
Sodegaura, JP12016