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Inventor

Tomiyasu Matsuda

Inventor
Yokosuka, JP

Overview

4→
Patents
1990–2021
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.

G03Gprimary
G03GElectrography29%
B41JTypewriters14%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles14%
B60LPropulsion of electrically-propelled vehicles14%
H01RElectrically-conductive connections14%
H02JElectric power networks14%
PatentTitleYear
11,025,018Charging inlet202110,981,390Liquid container and liquid injection apparatus20215,196,888'Method of feeding developer to developing zone in electrophotography'19934,949,127'Magnetic brush development process'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1993Patents assigned to MITA INDUSTRIAL CO LTD (2)· patent assignee history
1990–1993Based in Yokosuka, JP· patent location history
2021Patents assigned to SEIKO EPSON CORP (1)· patent assignee history
2021Patents assigned to SUMITOMO WIRING SYSTEMS (1)· patent assignee history
2021Based in Yokkaichi, JP· patent location history
2021Based in Shiojiri, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITA INDUSTRIAL CO LTD21990–1993
SEIKO EPSON CORP12021
SUMITOMO WIRING SYSTEMS12021
Locations
LocationPatentsSpan
Yokosuka, JP21990–1993
Yokkaichi, JP12021
Shiojiri, JP12021