LexDanaLexDanabeta
Inventor

Osami Yamauchi

Inventor
Aichi, JP

Overview

5→
Patents
1983–2011
Patent span
Performing operations
Primary field (CPC B)

Patents· 5 as inventor

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

B43Kprimary
B43KImplements for writing or drawing71%
A45DHairdressing or shaving equipment14%
A46BBrushes14%
PatentTitleYear
7,946,777'Multi-refill writing instrument'20115,290,117'Penpoint assembly and writing instrument employing the same'19944,968,169'Penpoint assembly and writing instrument employing the same'19904,913,175'Liquid-applying tip assembly'19904,410,290'Composite pen tip'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–2011Patents assigned to PILOT INK CO LTD (5)· patent assignee history
1983Based in Nagoya, JP· patent location history
1990–2011Based in Aichi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PILOT INK CO LTD51983–2011
Locations
LocationPatentsSpan
Aichi, JP41990–2011
Nagoya, JP11983