Inventor
Hisashi Yokoyama
Inventor
Tokyo, JP
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Mprimary
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof35%
F16KValves13%
F02BInternal-combustion piston engines9%
H02KDynamo-electric machines9%
LOC159%
Y02TClimate change mitigation technologies related to transportation9%
F16HGearing4%
LOC134%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
Y10TTechnical subjects covered by former us classification4%
PatentTitleYear
8,973,891'Air bypass valve device'20157,543,576'Exhaust-gas recirculation system'20096,789,532'Mounting device for exhaust gas recirculation valve'20046,708,675'Exhaust gas recirculation valve'20046,672,293'Exhaust gas recirculating valve device'20046,581,903'Electrical flow control valve'20036,473,958'Motor shaft for rotational-to-direct motion converting motor and method of manufacturing the motor shaft'20026,453,891'Exhaust gas recirculation valve device'20026,325,055'Flow control valve'20016,302,090'Valve device and valve control method'2001D0445430'Portion of valve body'2001D0445431'Exhaust gas recirculation valve'20016,227,183'Mounting device for exhaust gas re-circulation valve'2001D0438515'Portion of heat sink'20015,246,199'Solenoid valve'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2015Patents assigned to MITSUBISHI ELECTRIC CORP (15)· patent assignee history
1993Based in Hyogo, JP· patent location history
2001–2015Based in Tokyo, JP· patent location history
2015Patents assigned to MAEDA RYUICHI (1)· patent assignee history
2015Patents assigned to MATSUMOTO TATSUYA (1)· patent assignee history
2015Patents assigned to SAKODA KEIICHI (1)· patent assignee history
2015Patents assigned to SUNAGAWA YOSHINORI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI ELECTRIC CORP | 15 | 1993–2015 |
| MAEDA RYUICHI | 1 | 2015 |
| MATSUMOTO TATSUYA | 1 | 2015 |
| SAKODA KEIICHI | 1 | 2015 |
| SUNAGAWA YOSHINORI | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 14 | 2001–2015 |
| Hyogo, JP | 1 | 1993 |