Inventor
Takefumi Endo
Inventor
Takasaki, JP
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission28%
H02JElectric power networks20%
H03DDemodulation or transference of modulation from one carrier to another12%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses12%
G01RMeasuring electric variables8%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications8%
B41JTypewriters4%
H02HEmergency protective circuit arrangements4%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h104%
PatentTitleYear
10,230,235Semiconductor device and power feed system201910,027,169Wireless power supply system, power transmitting apparatus and power receiving apparatus20189,902,165'Ink supply system and inkjet printer'20189,520,739'Wireless charging circuit, wireless charging system and semiconductor device'20169,160,196'Communication apparatus and operation method thereof'20159,035,603'Wireless charging circuit, wireless charging system and semiconductor device'20158,138,893'Semiconductor integrated circuit device'20127,333,779'PLL circuit and radio communication terminal apparatus using the same'20086,996,377'PLL circuit and radio communication terminal apparatus using the same'20066,970,683'PLL circuit and radio communication terminal apparatus using the same'20056,335,566'Semiconductor device and an electronic device'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002Patents assigned to HITACHI LTD (1)· patent assignee history
2002Patents assigned to HITACHI TOBU SEMICONDUCTOR LTD (1)· patent assignee history
2002–2008Based in Takasaki, JP· patent location history
2005–2008Patents assigned to TTP COMMUNICATIONS LTD (3)· patent assignee history
2012–2019Patents assigned to RENESAS ELECTRONICS CORP (6)· patent assignee history
2012Patents assigned to ENDO TAKEFUMI (1)· patent assignee history
2012–2019Based in Tokyo, JP· patent location history
2015–2016Based in Kawasaki, JP· patent location history
2015Based in Kanagawa, JP· patent location history
2018Based in Hamamatsu, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RENESAS ELECTRONICS CORP | 6 | 2012–2019 |
| TTP COMMUNICATIONS LTD | 3 | 2005–2008 |
| ENDO TAKEFUMIself | 1 | 2012 |
| HITACHI LTD | 1 | 2002 |
| HITACHI TOBU SEMICONDUCTOR LTD | 1 | 2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Takasaki, JP | 4 | 2002–2008 |
| Tokyo, JP | 3 | 2012–2019 |
| Kawasaki, JP | 2 | 2015–2016 |
| Hamamatsu, JP | 1 | 2018 |
| Kanagawa, JP | 1 | 2015 |