Inventor

Koji SHIWAKU

Inventor
JP

Overview

3→
Patents
2024–2025
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 3 as inventor

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

E02Fprimary
E02FDredging60%
B60YIndexing scheme relating to aspects cross-cutting vehicle technology40%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2024–2025Patents assigned to HITACHI CONSTRUCTION MACH CO (3)· patent assignee history
2024–2025Based in JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI CONSTRUCTION MACH CO32024–2025
Locations
LocationPatentsSpan
JP32024–2025