Inventor
Hiroaki Muranaka
Inventor
Higashihiroshima, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Fprimary
F02FCylinders, pistons or casings, for combustion engines26%
F02BInternal-combustion piston engines21%
Y02TClimate change mitigation technologies related to transportation21%
F16JPistons11%
F01MLubricating of machines or engines in general5%
F01PCooling of machines or engines in general5%
F16NLubricating5%
G06FElectric digital data processing5%
PatentTitleYear
10,968,816Spark-ignition internal combustion engine202110,968,817Spark-ignition internal combustion engine202110,907,533Spark-ignition internal combustion engine202110,612,448Cooling structure of multi-cylinder engine20209,964,009Oil supply system for engine20189,791,045'Oil ring'20179,010,296'Piston for spark-ignition engine'20158,854,665'Information processing system, registration device, and computer readable medium for identifying a user of a printer'2014Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2014–2015Patents assigned to MURANAKA HIROAKI (2)· patent assignee history
2014Patents assigned to FUJI XEROX CO LTD (1)· patent assignee history
2014Based in Kanagawa, JP· patent location history
2015–2021Patents assigned to MAZDA MOTOR (7)· patent assignee history
2015Patents assigned to KOLBENSCHMIDT K K (1)· patent assignee history
2015Patents assigned to NISHIYAMA YOSHIKAZU (1)· patent assignee history
2015–2021Based in Higashihiroshima, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MAZDA MOTOR | 7 | 2015–2021 |
| MURANAKA HIROAKIself | 2 | 2014–2015 |
| FUJI XEROX CO LTD | 1 | 2014 |
| KOLBENSCHMIDT K K | 1 | 2015 |
| NISHIYAMA YOSHIKAZU | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Higashihiroshima, JP | 7 | 2015–2021 |
| Kanagawa, JP | 1 | 2014 |