Inventor
Yoshihito Ikai
Inventor
Tsushima, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F23Qprimary
F23QIgnition35%
H05BElectric heating35%
B28BShaping clay or other ceramic compositions6%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form6%
C04BLime, magnesia6%
F02PIgnition, other than compression ignition, for internal-combustion engines6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
10,557,451Ceramic heater and glow plug202010,041,674Ceramic heater and glow plug20189,655,170'Ceramic heater, glow plug, method of manufacturing ceramic heater and method of manufacturing glow plug'20179,247,585'Ceramic heater element, ceramic heater, and glow plug'20168,378,273'Ceramic heater and glow plug'20138,227,726'Ceramic heater and glow plug'2012Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012–2020Patents assigned to NGK SPARK PLUG CO (6)· patent assignee history
2012–2016Patents assigned to IKAI YOSHIHITO (3)· patent assignee history
2012–2016Patents assigned to MITSUOKA TAKESHI (3)· patent assignee history
2012–2016Patents assigned to SEKIGUCHI YUTAKA (3)· patent assignee history
2012Patents assigned to FUNAKI KOJI (1)· patent assignee history
2012Based in Nagoya, JP· patent location history
2013–2020Based in Tsushima, JP· patent location history
2017Based in Aichi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NGK SPARK PLUG CO | 6 | 2012–2020 |
| IKAI YOSHIHITOself | 3 | 2012–2016 |
| MITSUOKA TAKESHI | 3 | 2012–2016 |
| SEKIGUCHI YUTAKA | 3 | 2012–2016 |
| FUNAKI KOJI | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tsushima, JP | 4 | 2013–2020 |
| Aichi, JP | 1 | 2017 |
| Nagoya, JP | 1 | 2012 |