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Inventor

Tsukasa Sasaki

Inventor
Soka, JP

Overview

8→
Patents
1992–2016
Patent span
Performing operations
Primary field (CPC B)

Patents· 8 as inventor

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

A61Cprimary
A61CDentistry22%
B05CApparatus for applying fluent materials to surfaces, in general22%
B05BSpraying apparatus17%
B01FMixing, e.g. dissolving, emulsifying or dispersing11%
B43KImplements for writing or drawing11%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers11%
LOC196%
PatentTitleYear
9,393,082'Viscous material container having annularly contacting piston'20169,345,555'Viscous material container with expandable bend'20169,271,807'Nozzle mounting structure of component container'20169,162,199'Two-component mixing container including piston using spring engagement'20159,156,014'Two-component mixing container with communication passage of liquid-tight structure'20156,705,789'Mechanical pencil'2004D0421770'Mechanical pencil'20005,085,534'Mechanical pencil lead protection pipe with protuberance'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2016Patents assigned to PENTEL KK (6)· patent assignee history
1992Based in Saitama, JP· patent location history
2000Based in Misato, JP· patent location history
2004Based in Tokyo, JP· patent location history
2015–2016Patents assigned to SHOFU INC (5)· patent assignee history
2015–2016Based in Soka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PENTEL KK61992–2016
SHOFU INC52015–2016
Locations
LocationPatentsSpan
Soka, JP52015–2016
Tokyo, JP12004
Misato, JP12000
Saitama, JP11992