LexDanaLexDanabeta
Inventor

Wataru KAWAKAMI

Inventor
JP

Overview

2→
Patents
2021–2022
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

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

H04Bprimary
H04BTransmission50%
H04JMultiplex communication25%
H04QSelecting25%
PatentTitleYear
11,342,990State estimating device and communication system202211,165,497Optical transmission system and communication condition selection method2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2022Patents assigned to NIPPON TELEGRAPH & TELEPHONE (2)· patent assignee history
2021–2022Based in JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON TELEGRAPH & TELEPHONE22021–2022
Locations
LocationPatentsSpan
JP22021–2022