LexDanaLexDanabeta
Inventor

Ryuta Tanaka

Inventor
Machida, JP

Overview

3→
Patents
1990–2021
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

A61Bprimary
A61BDiagnosis20%
G02BOptical elements, systems or apparatus20%
G03GElectrography20%
G06FElectric digital data processing20%
H04BTransmission20%
PatentTitleYear
10,955,663Log information collection method and information processing apparatus202110,951,312Transmitting device, transmission control device, and transmission method20214,908,667'Electrophotographic copying apparatus'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Patents assigned to ISHIHARA MINING & CHEMICAL CO (1)· patent assignee history
1990Patents assigned to NORITSU KOKI CO LTD (1)· patent assignee history
1990Based in Osaka, JP· patent location history
2021Patents assigned to FUJITSU LTD (2)· patent assignee history
2021Based in Machida, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJITSU LTD22021
ISHIHARA MINING & CHEMICAL CO11990
NORITSU KOKI CO LTD11990
Locations
LocationPatentsSpan
Machida, JP22021
Osaka, JP11990