Inventor
Tsutomu Hibi
Inventor
Kanagawa, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F01Lprimary
F01LCyclically operating valves for machines or engines45%
H02KDynamo-electric machines18%
B60TVehicle brake control systems or parts thereof9%
F16HGearing9%
G01DMeasuring not specially adapted for a specific variable9%
Y02TClimate change mitigation technologies related to transportation9%
PatentTitleYear
10,491,084Motor device20199,482,323'Friction roller reducer and drive unit for electric automobile'20167,552,978'Brake device and controller for the same'20096,679,209'Valve timing control apparatus for internal combustion engine'20046,305,336'Electromagnetic driving device of engine valve for internal combustion engine'20016,260,523'Variable-valve-actuation apparatus for internal combustion engine'20016,257,182'Electromagnetic drive system for engine valve'20015,988,125'Variable valve actuation apparatus for engine'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2001Patents assigned to UNISIA JECS CORP (3)· patent assignee history
1999–2001Patents assigned to NISSAN MOTOR (2)· patent assignee history
1999–2016Based in Kanagawa, JP· patent location history
2004Patents assigned to HITACHI UNISIA AUTOMOTOVE LTD (1)· patent assignee history
2009Patents assigned to HITACHI LTD (1)· patent assignee history
2009Based in Ebina, JP· patent location history
2016Patents assigned to HIBI TSUTOMU (1)· patent assignee history
2019Based in Okazaki, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNISIA JECS CORP | 3 | 1999–2001 |
| NISSAN MOTOR | 2 | 1999–2001 |
| HIBI TSUTOMUself | 1 | 2016 |
| HITACHI LTD | 1 | 2009 |
| HITACHI UNISIA AUTOMOTOVE LTD | 1 | 2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 6 | 1999–2016 |
| Okazaki, JP | 1 | 2019 |
| Ebina, JP | 1 | 2009 |