LexDanaLexDanabeta
Inventor

Yasutaka Tsuruga

Inventor
Moriyama, JP

Overview

37→
Patents
2000–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 37 as inventor

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

E02Fprimary
E02FDredging42%
F15BSystems acting by means of fluids in general32%
F04BPositive-displacement machines for liquids6%
F02DControlling combustion engines5%
B66CCranes2%
A01BSoil working in agriculture or forestry1%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles1%
B60LPropulsion of electrically-propelled vehicles1%
B60TVehicle brake control systems or parts thereof1%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables1%
PatentTitleYear
11,124,166Vehicular brake system202110,995,475Construction machine202110,907,666Hydraulic drive system202110,633,825Construction machine202010,626,575Control system for construction machine202010,604,914Control system for hydraulic construction machine202010,533,303Construction machine to adjust operation reaction force of an operating lever202010,450,722Control system for construction machine201910,450,725Construction machine201910,435,870Construction machine201910,400,797Hydraulic control system for working machine201910,329,739Construction machine201910,287,751Hydraulic drive system for working machine including track device of crawler type201910,273,658Construction machine201910,215,198Hydraulic drive system for construction machine201910,107,311Hydraulic drive system for construction machine201810,060,451Hydraulic drive system for construction machine20189,976,283Hydraulic drive system for construction machine20189,890,801'Hydraulic drive system for construction machine'20189,845,589Hydraulic drive system for construction machine20179,347,203'Electric drive unit for construction machine'20169,200,431'Hydraulic drive system for construction machine'20159,187,880'Electric drive unit for construction machine'20158,919,109'Hydraulic drive system for construction machine having exhaust gas purification device'20148,857,169'Hydraulic drive system for construction machine'20148,413,676'Construction machine'20137,798,738'Swivel joint for construction machine'20106,915,980'Winding and cutting machine for rolled paper'20056,772,590'Hydraulic driving device'20046,651,428'Hydraulic drive device'20036,584,770'Hydraulic drive system'20036,526,747'Hydraulic driving device'20036,408,622'Hydraulic drive device'20026,397,591'Hydraulic driving unit'20026,192,681'Hydraulic drive apparatus'20016,176,126'Engine speed control system for construction machine'20016,105,367'Hydraulic drive system'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2016Patents assigned to HITACHI CONSTRUCTION MACHINERY (16)· patent assignee history
2000–2021Based in Ryugasaki, JP· patent location history
2003–2019Based in Moriyama, JP· patent location history
2013–2016Patents assigned to TSURUGA YASUTAKA (6)· patent assignee history
2014–2016Patents assigned to TAKAHASHI KIWAMU (5)· patent assignee history
2017–2019Patents assigned to HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD (7)· patent assignee history
2018–2021Patents assigned to HITACHI CONSTRUCTION MACH CO (14)· patent assignee history
2018–2019Based in Ryuugasaki, JP· patent location history
2019–2020Based in Tsuchiura, JP· patent location history
2019Based in Ibaraki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI CONSTRUCTION MACHINERY162000–2016
HITACHI CONSTRUCTION MACH CO142018–2021
HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD72017–2019
TSURUGA YASUTAKAself62013–2016
TAKAHASHI KIWAMU52014–2016
Locations
LocationPatentsSpan
Moriyama, JP142003–2019
Ryugasaki, JP102000–2021
Tsuchiura, JP72019–2020
Ryuugasaki, JP42018–2019
Ibaraki, JP12019