Inventor
Akira Tsuda
Inventor
Hofu, JP
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
D07Bprimary
D07BRopes or cables in general10%
F02DControlling combustion engines10%
F16CShafts10%
Y02TClimate change mitigation technologies related to transportation10%
Y10TTechnical subjects covered by former us classification10%
E02FDredging7%
F01LCyclically operating valves for machines or engines7%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling3%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material3%
B23KSoldering or unsoldering3%
PatentTitleYear
10,151,254Engine system with valve stop201810,138,597Wire201810,024,248Engine control device20189,840,970'Control device for multi-cylinder engine'20179,249,826'Inner cable for operation'20167,956,289'Conduit and control cable'20116,897,399'Hollow metal object and method of its fabrication'20055,560,277'Structure for adjusting swash plate angle of a variable displacement hydraulic motor'19965,046,312'Swivel speed control circuit for working vehicle'19914,552,503'Excavating vehicle'19853,944,941'Switching circuit for use with balanced transformerless amplifier'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976Patents assigned to SONY CORP (1)· patent assignee history
1985–1991Patents assigned to KUBOTA LTD (2)· patent assignee history
1991–1996Based in Sakai, JP· patent location history
1996Patents assigned to KUBOTA KK (1)· patent assignee history
2005Based in Itami, JP· patent location history
2011–2018Patents assigned to HI LEX CORP (3)· patent assignee history
2011Based in Takarazuka, JP· patent location history
2016–2018Based in Hyogo, JP· patent location history
2017–2018Patents assigned to MAZDA MOTOR (3)· patent assignee history
2017–2018Based in Hofu, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HI LEX CORP | 3 | 2011–2018 |
| MAZDA MOTOR | 3 | 2017–2018 |
| KUBOTA LTD | 2 | 1985–1991 |
| KUBOTA KK | 1 | 1996 |
| SONY CORP | 1 | 1976 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hofu, JP | 3 | 2017–2018 |
| Hyogo, JP | 2 | 2016–2018 |
| Sakai, JP | 2 | 1991–1996 |
| Takarazuka, JP | 1 | 2011 |
| Itami, JP | 1 | 2005 |