Inventor
Kazuya Kokai
Inventor
Tokyo, JP
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Dprimary
E21DShafts100%
PatentTitleYear
9,140,124'Excavation machine'2015Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2015Patents assigned to HANAOKA YASUHARU (1)· patent assignee history
2015Patents assigned to HITACHI SHIPBUILDING ENG CO (1)· patent assignee history
2015Patents assigned to KOBAYASHI MASANORI (1)· patent assignee history
2015Patents assigned to KOKAI KAZUYA (1)· patent assignee history
2015Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HANAOKA YASUHARU | 1 | 2015 |
| HITACHI SHIPBUILDING ENG CO | 1 | 2015 |
| KOBAYASHI MASANORI | 1 | 2015 |
| KOKAI KAZUYAself | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 1 | 2015 |