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Inventor

Nobuaki SOGAWA

Inventor
JP

Overview

3→
Patents
2025
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 as inventor

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

F04Cprimary
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids75%
F01CRotary-piston or oscillating-piston machines or engines25%
PatentTitleYear
12,448,967Variable displacement oil pump202512,297,829Variable-capacity oil pump202512,286,970Oil pump2025

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2025Patents assigned to HITACHI ASTEMO LTD (3)· patent assignee history
2025Based in JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI ASTEMO LTD32025
Locations
LocationPatentsSpan
JP32025