Inventor

Kei Sakuma

Inventor
Hachioji, JP

Overview

2→
Patents
1976–2006
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.

A63Bprimary
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing25%
H04NPictorial communication, e.g. television25%
H04WWireless communication networks25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to SAKUMA KEI (1)· patent assignee history
1976Based in Sendagi, Bunkyo, Tokyo, JA· patent location history
2006Patents assigned to TOSHIBA KK (1)· patent assignee history
2006Based in Hachioji, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SAKUMA KEIself11976
TOSHIBA KK12006
Locations
LocationPatentsSpan
Hachioji, JP12006
Sendagi, Bunkyo, Tokyo, JA11976