Inventor
Katsuhisa Yabuta
Inventor
Aichi, JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties47%
C04BLime, magnesia13%
F23QIgnition13%
F01DNon-positive displacement machines or engines, e.g. steam turbines7%
F02DControlling combustion engines7%
H05BElectric heating7%
Y10TTechnical subjects covered by former us classification7%
PatentTitleYear
7,020,952'Method for producing a glow plug'20066,727,473'Ceramic heater device and method for manufacturing the device'20046,550,309'Gas sensor with multiple mechanical and thermal shock cushion layers'20036,418,777'Gas sensor'20026,327,891'Gas sensor'20016,311,543'Connection device for ceramic gas sensor element'20016,188,025'Heat-resisting metal-sheathed cable for sensor'20016,082,175'Electronic component having terminal connecting leads with a high temperature ceramic element and a method of making the same'20005,700,367'Method and apparatus for controlling the energizing of a heater in an oxygen sensor'19975,122,486'Method of producing silicon-nitride-based sintered body'19925,045,513'Sintered body of silicon nitride and its manufacture'19914,878,812'Turbine rotor'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–2006Patents assigned to NGK SPARK PLUG CO (12)· patent assignee history
1989–2006Based in Aichi, JP· patent location history
1991–2003Based in Komaki, JP· patent location history
2000Based in Nagoya, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NGK SPARK PLUG CO | 12 | 1989–2006 |
Locations
| Location | Patents | Span |
|---|---|---|
| Aichi, JP | 7 | 1989–2006 |
| Komaki, JP | 4 | 1991–2003 |
| Nagoya, JP | 1 | 2000 |