LexDanaLexDanabeta
Inventor

Hideaki Toomi

Inventor
Yokohama, JP

Overview

1→
Patents
2013
Patent span
Performing operations
Primary field (CPC B)

Patents· 1 as inventor

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

B43Kprimary
B43KImplements for writing or drawing50%
C09DCoating compositions, e.g. paints, varnishes or lacquers50%
PatentTitleYear
8,562,235'Ink composition for aqueous ink ball point pen and aqueous ink ball point pen'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013Patents assigned to HAYAKAWA TAKESHI (1)· patent assignee history
2013Patents assigned to ICHIKAWA SYUJI (1)· patent assignee history
2013Patents assigned to MITSUBISHI PENCIL CO (1)· patent assignee history
2013Patents assigned to TOOMI HIDEAKI (1)· patent assignee history
2013Patents assigned to YANO MASANAO (1)· patent assignee history
2013Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HAYAKAWA TAKESHI12013
ICHIKAWA SYUJI12013
MITSUBISHI PENCIL CO12013
TOOMI HIDEAKIself12013
YANO MASANAO12013
Locations
LocationPatentsSpan
Yokohama, JP12013