Inventor
Tadatoshi Shimamura
Inventor
Ishioka, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E02Fprimary
E02FDredging50%
B60LPropulsion of electrically-propelled vehicles7%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for7%
F15BSystems acting by means of fluids in general7%
G01NInvestigating or analysing materials by determining their chemical or physical properties7%
G01RMeasuring electric variables7%
G01SRadio direction-finding7%
G05BControl or regulating systems in general7%
PatentTitleYear
7,902,832'Antenna cable break detector for construction machine wireless communication apparatus and construction machine wireless communication apparatus'20117,657,841'Monitor display for construction machine'20107,464,493'Work machine'20087,342,486'Monitoring display device for use on construction machines'20087,002,465'Security system of construction machine'20065,930,996'Auto-acceleration system for prime mover of hydraulic construction machine and control system for prime mover and hydraulic pump'19995,911,506'Control system for prime mover and hydraulic pump of hydraulic construction machine'19995,623,100'Ultrasonic inspection and imaging intstrument'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–2011Patents assigned to HITACHI CONSTRUCTION MACHINERY (8)· patent assignee history
1997–2011Based in Ishioka, JP· patent location history
2006–2010Based in Ibaraki, JP· patent location history
2008Based in Tsuchiura, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI CONSTRUCTION MACHINERY | 8 | 1997–2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ishioka, JP | 4 | 1997–2011 |
| Ibaraki, JP | 3 | 2006–2010 |
| Tsuchiura, JP | 1 | 2008 |