Inventor

Takashi Fujisawa

Inventor
Suita, JP

Overview

11→
Patents
1988–2007
Patent span
Chemistry
Primary field (CPC C)

Patents· 11 as inventor

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

C02Fprimary
C02FTreatment of water, waste water, sewage, or sludge14%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds14%
C23FNon-mechanical removal of metallic material from surface9%
H05HPlasma technique9%
A61KPreparations for medical, dental or toiletry purposes5%
B23PMetal-working not otherwise provided for5%
B60JWindows, windscreens, non-fixed roofs, doors, or similar devices for vehicles5%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds5%
F02BInternal-combustion piston engines5%
F02CGas-turbine plants5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988Patents assigned to FUJISAWA TAKASHI (1)· patent assignee history
1998–2001Patents assigned to DENKI KOGYO CO LTD (2)· patent assignee history
1998–2001Based in Saitama, JP· patent location history
1999–2004Patents assigned to NIPPON CATALYTIC CHEM IND (4)· patent assignee history
2001Patents assigned to CHUGAI RO KOGYO KAISHA LTD (1)· patent assignee history
2001Patents assigned to HISAMITSU PHARMACEUTICAL CO (1)· patent assignee history
2001–2002Based in Suita, JP· patent location history
2004Based in Toride, JP· patent location history
2004Based in Kanagawa, JP· patent location history
2007Based in Chiba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON CATALYTIC CHEM IND41999–2004
DENKI KOGYO CO LTD21998–2001
CHUGAI RO KOGYO KAISHA LTD12001
FUJISAWA TAKASHIself11988
HISAMITSU PHARMACEUTICAL CO12001
Locations
LocationPatentsSpan
Suita, JP22001–2002
Saitama, JP21998–2001
Chiba, JP12007
Toride, JP12004
Kanagawa, JP12004