LexDanaLexDanabeta
Inventor

Haruhiko Tokunaga

Inventor
Chiyoda-ku, JP

Overview

4→
Patents
1989–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

B41Jprimary
B41JTypewriters40%
C03CChemical composition of glasses, glazes or vitreous enamels40%
C03BManufacture, shaping, or supplementary processes20%
PatentTitleYear
11,066,325Alkali-free glass202111,053,160Alkali-free glass20215,338,121'Shuttle apparatus for printer'19944,834,565'Driving mechanism for a printer head'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1994Patents assigned to FUJITSU LTD (2)· patent assignee history
1989Based in Yokohama, JP· patent location history
1994Based in Kanagawa, JP· patent location history
2021Patents assigned to AGC INC (2)· patent assignee history
2021Based in Chiyoda-ku, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AGC INC22021
FUJITSU LTD21989–1994
Locations
LocationPatentsSpan
Chiyoda-ku, JP22021
Kanagawa, JP11994
Yokohama, JP11989