LexDanaLexDanabeta
Inventor

Keiji Hatayama

Inventor
Yokohama, JP

Overview

3→
Patents
1985
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B60Wprimary
B60WConjoint control of vehicle sub-units of different type or different function40%
F16HGearing40%
B62DMotor vehicles20%
PatentTitleYear
4,519,274'Automatic speed range change-over system for a hydro-mechanical transmission'19854,519,275'Turning control system for a hydro-mechanical transmission'19854,497,223'Engine speed control system for a hydro-mechanical transmission'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985Patents assigned to KOMATSU MFG CO LTD (3)· patent assignee history
1985Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOMATSU MFG CO LTD31985
Locations
LocationPatentsSpan
Yokohama, JP31985