LexDanaLexDanabeta
Inventor

Mitsuo Ichikawa

Inventor
Maebashi, JP

Overview

11→
Patents
1981–2002
Patent span
Performing operations
Primary field (CPC B)

Patents· 11 as inventor

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

B62Dprimary
B62DMotor vehicles53%
Y10TTechnical subjects covered by former us classification29%
H01JElectric discharge tubes or discharge lamps12%
F16DCouplings for transmitting rotation6%
PatentTitleYear
6,345,842'Shock absorbing type steering apparatus and a structure for mounting to an automobile body the steering apparatus'2002RE034359'Electric steering apparatus'19935,228,720'Coupler of collapsible shaft for steering device'19935,209,135'Impact absorbing type steering column device'19935,078,022'Tilt type steering apparatus'19925,009,121'Telescopic steering column device'19914,967,618'Electric steering apparatus'19904,901,592'Shock absorbing steering apparatus'19904,893,518'Electric steering apparatus'19904,457,732'Method of fabricating image pickup tubes'19844,253,039'Image pickup tube with rectangular support plate for stripe filter'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1984Patents assigned to HITACHI LTD (2)· patent assignee history
1981–1984Based in Mobara, JP· patent location history
1990–1993Patents assigned to NIPPON SEIKO KK (7)· patent assignee history
1990–2002Based in Maebashi, JP· patent location history
2002Patents assigned to NSK LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON SEIKO KK71990–1993
HITACHI LTD21981–1984
NSK LTD12002
Locations
LocationPatentsSpan
Maebashi, JP91990–2002
Mobara, JP21981–1984