Inventor
Kazuaki Narahara
Inventor
Aki-gun, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y02Tprimary
Y02TClimate change mitigation technologies related to transportation29%
F02BInternal-combustion piston engines24%
F02DControlling combustion engines14%
F01LCyclically operating valves for machines or engines10%
F02FCylinders, pistons or casings, for combustion engines10%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof10%
F02PIgnition, other than compression ignition, for internal-combustion engines5%
PatentTitleYear
10,508,613Direct injection engine and control method thereof201910,260,458Homogeneous charge compression ignition engine201910,156,182Combustion chamber structure for direct injection engine201810,125,667Structure of combustion chamber for direct injection engine20189,488,094'Direct injection gasoline engine and method of controlling the direct injection gasoline engine'20168,311,724'Method of controlling engine system and engine system'2012Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012–2019Patents assigned to MAZDA MOTOR (6)· patent assignee history
2012–2016Patents assigned to NARAHARA KAZUAKI (2)· patent assignee history
2012Patents assigned to FUJII MIKIHITO (1)· patent assignee history
2012–2018Based in Hiroshima, JP· patent location history
2016Patents assigned to ARAKI KEIJI (1)· patent assignee history
2016Patents assigned to FUJIMOTO HIDEFUMI (1)· patent assignee history
2016–2019Based in Aki-gun, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MAZDA MOTOR | 6 | 2012–2019 |
| NARAHARA KAZUAKIself | 2 | 2012–2016 |
| ARAKI KEIJI | 1 | 2016 |
| FUJII MIKIHITO | 1 | 2012 |
| FUJIMOTO HIDEFUMI | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Aki-gun, JP | 3 | 2016–2019 |
| Hiroshima, JP | 3 | 2012–2018 |