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Inventor

Izuru Yokoyama

Inventor
Iwakuni, JP

Overview

3→
Patents
1976–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds18%
C08LCompositions of macromolecular compounds18%
C09JAdhesives18%
A01NPreservation of bodies of humans or animals or plants or parts thereof9%
B28BShaping clay or other ceramic compositions9%
C04BLime, magnesia9%
E04BGeneral building constructions9%
E04CStructural elements9%
PatentTitleYear
10,968,624Gypsum panel and method for producing gypsum panel20213,963,653'Process for producing hydrocarbon resin and pressure-sensitive adhesives containing same'19763,931,125'Process for producing hydrocarbon resin and pressure-sensitive adhesives containing same'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to MITSUI PETROCHEMICAL IND (2)· patent assignee history
1976Based in Iwakuni, JP· patent location history
2021Patents assigned to YOSHINO GYPSUM CO (1)· patent assignee history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUI PETROCHEMICAL IND21976
YOSHINO GYPSUM CO12021
Locations
LocationPatentsSpan
Iwakuni, JP21976
Tokyo, JP12021