Inventor

Seiki Mizutani

Inventor
Yokohama, JP

Overview

7→
Patents
1984–2008
Patent span
Electricity
Primary field (CPC H)

Patents· 7 as inventor

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

Y10Sprimary
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests27%
B41JTypewriters18%
H04MTelephonic communication18%
G06FElectric digital data processing9%
G10LSpeech analysis techniques or speech synthesis9%
H04LTransmission of digital information, e.g. telegraphic communication9%
H04WWireless communication networks9%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1986Patents assigned to SEIKOSHA KK (2)· patent assignee history
1984–1986Based in Tokyo, JP· patent location history
2001–2008Patents assigned to HITACHI LTD (5)· patent assignee history
2001–2008Based in Yokohama, JP· patent location history
2006Based in Matsudo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD52001–2008
SEIKOSHA KK21984–1986
Locations
LocationPatentsSpan
Yokohama, JP42001–2008
Tokyo, JP21984–1986
Matsudo, JP12006