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Inventor

SHIGETOSHI KUMA

Inventor
JP

Overview

2→
Patents
2022–2023
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds22%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds22%
C08LCompositions of macromolecular compounds22%
G02BOptical elements, systems or apparatus22%
C09DCoating compositions, e.g. paints, varnishes or lacquers11%
PatentTitleYear
11,840,599Thiol-containing composition for optical material and polymerizable composition for optical material202311,254,783Xylylenediisocyanate composition, xylylenediisocyanate-modified composition, two-component resin material, and resin2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2023Patents assigned to MITSUI CHEMICALS INC (2)· patent assignee history
2022–2023Based in JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUI CHEMICALS INC22022–2023
Locations
LocationPatentsSpan
JP22022–2023