Inventor

Seiji Ichikawa

Inventor
Tokyo, JP

Overview

17→
Patents
1977–2010
Patent span
Electricity
Primary field (CPC H)

Patents· 17 as inventor

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

H10Wprimary
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1061%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h109%
A61MDevices for introducing media into, or onto, the body4%
B28DWorking stone or stone-like materials4%
G04CElectromechanical clocks or watches4%
H05KPrinted circuits4%
H10DInorganic electric semiconductor devices4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
Y10TTechnical subjects covered by former us classification4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to RHYTHM WATCH CO (1)· patent assignee history
1977Based in Aizuwakamatsu, JP· patent location history
1999–2002Patents assigned to NEC CORP (14)· patent assignee history
1999–2002Based in Tokyo, JP· patent location history
2005Patents assigned to BAYLOR COLLEGE MEDICINE (1)· patent assignee history
2005Based in Houston, TX, US· patent location history
2010Patents assigned to RENESAS ELECTRONICS CORP (1)· patent assignee history
2010Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NEC CORP141999–2002
BAYLOR COLLEGE MEDICINE12005
RENESAS ELECTRONICS CORP12010
RHYTHM WATCH CO11977
Locations
LocationPatentsSpan
Tokyo, JP141999–2002
Kanagawa, JP12010
Houston, Texas, US12005
Aizuwakamatsu, JP11977