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Inventor

Youichi Takasu

Inventor
Nagoya, JP

Overview

4→
Patents
2005–2013
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

B43Kprimary
B43KImplements for writing or drawing27%
C09DCoating compositions, e.g. paints, varnishes or lacquers27%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry9%
C08LCompositions of macromolecular compounds9%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy9%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution9%
Y02PClimate change mitigation technologies in the production or processing of goods9%
PatentTitleYear
8,500,354'Water-based ballpoint pen'20138,491,213'Water-based ballpoint pen'20137,396,797'Production method of catalyst for fuel cell and of fuel cell, and catalyst for fuel cell and fuel cell'20086,887,921'Ink follower composition for writing instruments, and process for its production'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005–2013Patents assigned to PILOT INK CO LTD (3)· patent assignee history
2005Based in Kasugai, JP· patent location history
2008Patents assigned to FUJITSU LTD (1)· patent assignee history
2008Based in Kawasaki, JP· patent location history
2013Patents assigned to TAKASU YOUICHI (2)· patent assignee history
2013Based in Nagoya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PILOT INK CO LTD32005–2013
TAKASU YOUICHIself22013
FUJITSU LTD12008
Locations
LocationPatentsSpan
Nagoya, JP22013
Kawasaki, JP12008
Kasugai, JP12005