Inventor

Shigeru Kurosawa

Inventor
Oita, JP

Overview

10→
Patents
1976–2004
Patent span
Chemistry
Primary field (CPC C)

Patents· 10 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 bonds28%
C08LCompositions of macromolecular compounds22%
Y10TTechnical subjects covered by former us classification11%
C07CAcyclic or carbocyclic compounds6%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds6%
C08JWorking-up6%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients6%
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner6%
H04MTelephonic communication6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1993Patents assigned to SHOWA DENKO KK (7)· patent assignee history
1976–1979Based in Yokohama, JP· patent location history
1985–1993Based in Oita, JP· patent location history
1994–2004Patents assigned to AGENCY IND SCIENCE TECHN (2)· patent assignee history
1994Patents assigned to NIPPON ZEON CO (1)· patent assignee history
1994Based in Tsukuba, JP· patent location history
2001Patents assigned to NEC CORP (1)· patent assignee history
2001Based in Saitama, JP· patent location history
2004Based in Tsuchiura, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHOWA DENKO KK71976–1993
AGENCY IND SCIENCE TECHN21994–2004
NEC CORP12001
NIPPON ZEON CO11994
Locations
LocationPatentsSpan
Oita, JP31985–1993
Yokohama, JP31976–1979
Tsuchiura, JP12004
Saitama, JP12001
Tsukuba, JP11994