Inventor

Hiroyuki Izumi

Inventor
Tokyo, JP

Overview

19→
Patents
1993–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 19 as inventor

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

B32Bprimary
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form12%
C08JWorking-up12%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry6%
Y10TTechnical subjects covered by former us classification6%
C08LCompositions of macromolecular compounds4%
C09DCoating compositions, e.g. paints, varnishes or lacquers4%
C09KMaterials for miscellaneous applications, not provided for elsewhere4%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact4%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1996Based in Yotsukaido, JP· patent location history
1996–1997Patents assigned to FUJITSU LTD (3)· patent assignee history
1996–1997Based in Kawasaki, JP· patent location history
2006Patents assigned to BUFFALO INC (1)· patent assignee history
2011–2012Patents assigned to PANASONIC CORP (2)· patent assignee history
2011–2012Based in Kanagawa, JP· patent location history
2012–2015Patents assigned to IZUMI HIROYUKI (2)· patent assignee history
2015–2021Patents assigned to HITACHI CHEMICAL CO LTD (9)· patent assignee history
2015–2019Based in Ibaraki, JP· patent location history
2017–2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI CHEMICAL CO LTD92015–2021
FUJITSU LTD31996–1997
IZUMI HIROYUKIself22012–2015
PANASONIC CORP22011–2012
BUFFALO INC12006
Locations
LocationPatentsSpan
Tokyo, JP62017–2021
Ibaraki, JP32015–2019
Kawasaki, JP31996–1997
Kanagawa, JP22011–2012
Yotsukaido, JP21993–1996