Inventor
Kouji Ishihara
Inventor
Yokohama, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y02Tprimary
Y02TClimate change mitigation technologies related to transportation24%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general19%
B01DSeparation14%
F02DControlling combustion engines14%
A61KPreparations for medical, dental or toiletry purposes10%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations5%
F02BInternal-combustion piston engines5%
F02FCylinders, pistons or casings, for combustion engines5%
Y02ATechnologies for adaptation to climate change5%
PatentTitleYear
6,516,612'Exhaust gas purification device for an engine and A/F ratio control for early activating a NOx trapping catalyst'20036,173,570'Exhaust gas purification device for internal combustion engine'20016,167,695'Method and system for diagnosing deterioration of NOx catalyst'20016,145,305'System and method for diagnosing deterioration of NOx-occluded catalyst'20006,006,718'Cylinder direct injection spark-ignition engine'19994,769,381'Nicorandil-containing preparation for injection'19884,668,665'Formulation of sucralfate'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1988Patents assigned to CHUGAI PHARMACEUTICAL CO LTD (2)· patent assignee history
1987–1988Based in Saitama, JP· patent location history
1999–2003Patents assigned to NISSAN MOTOR (5)· patent assignee history
1999–2003Based in Yokohama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NISSAN MOTOR | 5 | 1999–2003 |
| CHUGAI PHARMACEUTICAL CO LTD | 2 | 1987–1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 5 | 1999–2003 |
| Saitama, JP | 2 | 1987–1988 |