Inventor
Masashi Shimakata
Inventor
Saitama, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Sprimary
G01SRadio direction-finding29%
H01QAntennas, i.e. radio aerials21%
G01CMeasuring distances, levels or bearings14%
H04BTransmission14%
H03GControl of amplification7%
H03JTuning resonant circuits7%
H04WWireless communication networks7%
PatentTitleYear
5,752,219'Navigation apparatus for vehicles'19985,598,339'Navigation apparatus for vehicles'19975,248,981'Apparatus and method for positioning of a GPS receiver'19935,222,245'GPS receiver'19934,628,537'System for identifying a responding station for a radio communications system'19864,627,099'Communication apparatus for transmitting and receiving signals on different frequency bands'19864,397,041'Complex antenna system and FM/AM receiver'19834,395,714'Antenna array system usable for AM/FM receiver'19834,370,522'FM Receiver for use with motorcars'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983–1998Patents assigned to PIONEER ELECTRONIC CORP (9)· patent assignee history
1983–1986Based in Kawagoe, JP· patent location history
1983Based in Tokorozawa, JP· patent location history
1993–1998Based in Saitama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PIONEER ELECTRONIC CORP | 9 | 1983–1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Saitama, JP | 4 | 1993–1998 |
| Kawagoe, JP | 3 | 1983–1986 |
| Tokorozawa, JP | 2 | 1983 |