Inventor
Shunsuke Koyama
Inventor
Suwa, JP
Overview
Patents· 18 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Qprimary
H01QAntennas, i.e. radio aerials28%
H04BTransmission10%
G04RRadio-controlled time-pieces8%
G01SRadio direction-finding5%
G04GElectronic time-pieces5%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h105%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%
B60JWindows, windscreens, non-fixed roofs, doors, or similar devices for vehicles3%
B60YIndexing scheme relating to aspects cross-cutting vehicle technology3%
C03CChemical composition of glasses, glazes or vitreous enamels3%
PatentTitleYear
10,989,848Heat-blocking filter and monitoring system202110,983,212Distance measurement device202110,984,221Image recognition device20219,979,075Antenna device and electronic timepiece20189,853,354Sleeve antenna and wireless communication device20178,934,385'Wireless communication apparatus and electronic device'20158,477,562'Communication device and communication method'20136,946,996'Antenna apparatus, printed wiring board, printed circuit board, communication adapter and portable electronic equipment'20056,762,728'Antenna device for high-frequency radio apparatus and wrist watch-type radio apparatus'20046,744,698'Battery powered electronic device and control method therefor'20046,531,988'Antenna device for high-frequency radio apparatus, high-frequency radio apparatus, and watch-shaped radio apparatus'20036,396,144'Mounting structure of semiconductor device, and communication apparatus using the same'20025,940,041'Slot antenna device and wireless apparatus employing the antenna device'19995,757,326'Slot antenna device and wireless apparatus employing the antenna device'19985,530,453'Wrist carried wireless instrument'19965,280,646'Paging device with structure for removing static electricity'19945,225,846'Wrist carried wireless instrument'19935,072,231'Wrist carried wireless instrument'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–2018Patents assigned to SEIKO EPSON CORP (15)· patent assignee history
1991–2002Based in Suwa, JP· patent location history
2003–2018Based in Chino, JP· patent location history
2013Patents assigned to KOYAMA SHUNSUKE (1)· patent assignee history
2013–2015Based in Nagano, JP· patent location history
2021Patents assigned to PANASONIC IP MAN CO LTD (3)· patent assignee history
2021Based in Osaka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SEIKO EPSON CORP | 15 | 1991–2018 |
| PANASONIC IP MAN CO LTD | 3 | 2021 |
| KOYAMA SHUNSUKEself | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Suwa, JP | 7 | 1991–2002 |
| Chino, JP | 6 | 2003–2018 |
| Osaka, JP | 3 | 2021 |
| Nagano, JP | 2 | 2013–2015 |