LexDanaLexDanabeta
Inventor

Hirobumi Karasawa

Inventor
Tokyo, JP

Overview

2→
Patents
1991–2000
Patent span
Physics
Primary field (CPC G)

Patents· 2 as inventor

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

G06Fprimary
G06FElectric digital data processing33%
G06KGraphical data reading33%
H04LTransmission of digital information, e.g. telegraphic communication33%
PatentTitleYear
6,134,692'Information identification system for identifying response units by a control unit, and the control unit and the response units for the information identification system'20005,062,035'Time slot allocation for loop networks'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to NIPPON TELEGRAM AND TELEPHONE (1)· patent assignee history
1991Patents assigned to TOKYO SHIBAURA ELECTRIC CO (1)· patent assignee history
1991Based in Yokohama, JP· patent location history
2000Patents assigned to TOSHIBA KK (1)· patent assignee history
2000Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON TELEGRAM AND TELEPHONE11991
TOKYO SHIBAURA ELECTRIC CO11991
TOSHIBA KK12000
Locations
LocationPatentsSpan
Tokyo, JP12000
Yokohama, JP11991