Inventor
Ryokichi Doi
Inventor
Osaka, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Qprimary
H01QAntennas, i.e. radio aerials53%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles7%
B60LPropulsion of electrically-propelled vehicles7%
B60SServicing, cleaning, repairing, supporting, lifting, or manoeuvring of vehicles, not otherwise provided for7%
B60YIndexing scheme relating to aspects cross-cutting vehicle technology7%
H04BTransmission7%
H05BElectric heating7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
PatentTitleYear
10,608,318Glass antenna20207,671,298'Heating line pattern structure of defogger formed on rear window glass panel of motor vehicle and rear glass panel'20107,071,886'Glass antenna and glass antenna system for vehicles'20066,937,198'Glass antenna system for vehicles'20056,292,150'Glass antenna device'20015,821,904'Window glass antenna device'19985,657,029'Glass antenna device for automobile telephone'19975,521,606'Window glass antenna for motor vehicles'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2020Patents assigned to NIPPON SHEET GLASS CO LTD (7)· patent assignee history
1996–1997Based in Ibaraki, JP· patent location history
1998–2005Based in Osaka, JP· patent location history
2006–2010Based in Minato-ku, JP· patent location history
2010Patents assigned to FUJITSU TEN LTD (1)· patent assignee history
2020Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON SHEET GLASS CO LTD | 7 | 1996–2020 |
| FUJITSU TEN LTD | 1 | 2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Osaka, JP | 3 | 1998–2005 |
| Minato-ku, JP | 2 | 2006–2010 |
| Ibaraki, JP | 2 | 1996–1997 |
| Tokyo, JP | 1 | 2020 |