Inventor
Shingo Kuwahara
Inventor
Kawagoe, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Cprimary
G01CMeasuring distances, levels or bearings67%
G01SRadio direction-finding22%
H01TSpark gaps11%
PatentTitleYear
8,716,924'Spark plug having stress corrosion cracking resistance'20145,949,375'Method of and apparatus for calculating position of movable body in navigation system, method of and apparatus for correcting the position, and program storage device readable by the apparatus'19995,483,456'Navigation system and a method of calculating GPS measuring deviation'19965,442,559'Navigation apparatus'19955,394,332'On-board navigation system having audible tone indicating remaining distance or time in a trip'19955,363,306'On-vehicle navigation apparatus'19945,262,774'On-vehicle navigation apparatus'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–1999Patents assigned to PIONEER ELECTRONIC CORP (6)· patent assignee history
1993Based in Saitama, JP· patent location history
1994–1999Based in Kawagoe, JP· patent location history
2014Patents assigned to KUWAHARA SHINGO (1)· patent assignee history
2014Patents assigned to NASU HIROAKI (1)· patent assignee history
2014Patents assigned to NGK SPARK PLUG CO (1)· patent assignee history
2014Patents assigned to SATO AKITO (1)· patent assignee history
2014Based in Nagoya, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PIONEER ELECTRONIC CORP | 6 | 1993–1999 |
| KUWAHARA SHINGOself | 1 | 2014 |
| NASU HIROAKI | 1 | 2014 |
| NGK SPARK PLUG CO | 1 | 2014 |
| SATO AKITO | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kawagoe, JP | 5 | 1994–1999 |
| Nagoya, JP | 1 | 2014 |
| Saitama, JP | 1 | 1993 |