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Inventor

Isao Oki

Inventor
Kanagawa, JP

Overview

2→
Patents
1979–1997
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 2 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification40%
E02FDredging20%
F15BSystems acting by means of fluids in general20%
F16KValves20%
PatentTitleYear
5,606,901'Hydraulic circuit for turning purposes'19974,167,197'Directional change-over valve'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979Patents assigned to MAKI TOSHIO (1)· patent assignee history
1979Patents assigned to OKI ISAO (1)· patent assignee history
1979Patents assigned to SHIRAI KIYOSHI (1)· patent assignee history
1979Based in Kawasaki, JP· patent location history
1997Patents assigned to KOMATSU MFG CO LTD (1)· patent assignee history
1997Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOMATSU MFG CO LTD11997
MAKI TOSHIO11979
OKI ISAOself11979
SHIRAI KIYOSHI11979
Locations
LocationPatentsSpan
Kanagawa, JP11997
Kawasaki, JP11979