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Inventor

Takahiro Fujiwara

Inventor
Hiratsuka, JP

Overview

17→
Patents
1995–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 17 as inventor

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

C07Fprimary
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium14%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds14%
D21HPulp compositions14%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry6%
B23KSoldering or unsoldering6%
C07BGeneral methods of organic chemistry6%
C07CAcyclic or carbocyclic compounds6%
H05KPrinted circuits6%
Y02PClimate change mitigation technologies in the production or processing of goods6%
A61KPreparations for medical, dental or toiletry purposes3%
PatentTitleYear
10,730,989Method for producing (meth)acrylamide papermaking additive and (meth)acrylamide polymer papermaking additive202010,240,295Pitch-controlling agent and pitch-controlling method20199,995,001Acrylamide-based polymer, paper strength agent, and paper20189,908,959'Polyacrylamide resin, papermaking additive, and paper'20188,816,031'Water-soluble polymer and additive for paper manufacture'20148,809,495'Peptides imparting cell permeability to lipid membrane structure and/or enhancing cell permeability of lipid membrane structure, and lipid membrane structure comprising lipid bound to such peptide as constituent lipid and having cell permeability or showing enhanced cell permeability'20148,658,815'Method for producing ruthenium complex'20148,551,908'Exhaust gas purification catalyst'20138,552,204'Zinc cluster'20138,241,462'Papermaking internal sizing agent and use thereof'20127,964,744'Method for producing a ruthenium complex'20117,880,025'Ruthenium silyl-arene complex , and method for production thereof'20117,312,347'Substituted optically active disphosphine compound'20077,038,087'Process for the production of optically active amino alcohols'20066,912,472'Method of estimating location of abnormality in fluid feed pipeline network'20055,601,228'Solder-precipitating composition and mounting method using the composition'19975,453,582'Circuit board to be precoated with solder layers and solder circuit board'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2020Patents assigned to HARIMA CHEMICALS INC (8)· patent assignee history
1995–1997Patents assigned to FURUKAWA ELECTRIC CO LTD (2)· patent assignee history
1997–2013Based in Hiratsuka, JP· patent location history
2006–2014Patents assigned to TAKASAGO PERFUMERY CO LTD (6)· patent assignee history
2007–2011Based in Kanagawa, JP· patent location history
2012–2014Patents assigned to FUJIWARA TAKAHIRO (6)· patent assignee history
2012–2020Based in Kakogawa, JP· patent location history
2013–2014Patents assigned to NARA HIDEKI (2)· patent assignee history
2014Based in Sapporo, JP· patent location history
2018–2019Based in Hyogo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HARIMA CHEMICALS INC81995–2020
FUJIWARA TAKAHIROself62012–2014
TAKASAGO PERFUMERY CO LTD62006–2014
FURUKAWA ELECTRIC CO LTD21995–1997
NARA HIDEKI22013–2014
Locations
LocationPatentsSpan
Hiratsuka, JP41997–2013
Kakogawa, JP32012–2020
Hyogo, JP32018–2019
Kanagawa, JP22007–2011
Sapporo, JP12014