Inventor
Takeo Ishida
Inventor
Hirakata, JP
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Jprimary
H02JElectric power networks20%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution14%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes6%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems6%
Y04SSystems integrating technologies related to power network operation, communication or information technologies for improving the electrical power generation, transmission, distribution, management or usage, i.e. smart grids6%
B24BMachines, devices, or processes for grinding or polishing3%
F24FAir-conditioning3%
F24SSolar heat collectors3%
PatentTitleYear
10,885,498Attendance registration device, attendance registration method, and recording medium20217,745,956'Grid interconnection device, grid interconnection system and transfer trip system'20107,236,959'Method for collectively receiving at high voltage and distributing at low voltage, and collective housing using same'20076,737,761'Power load control system'20046,717,982'Data communication apparatus'20046,291,764'Photovoltaic power generation device'20016,252,785'Device for operating inverter and power system'20016,175,512'Device for operating inverter and power system'20015,951,785'Photo-voltaic apparatus'19995,886,890'Power-supply system involving system interconnection'19994,839,992'Polishing device'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989Patents assigned to SINTOBRATOR LTD (1)· patent assignee history
1999–2010Patents assigned to SANYO ELECTRIC CO (8)· patent assignee history
1999–2004Based in Osaka, JP· patent location history
1999Based in Neyagawa, JP· patent location history
2001Patents assigned to SANYO ELECTRONICS CO LTD (1)· patent assignee history
2001–2007Based in Hirakata, JP· patent location history
2010Based in Gunma, JP· patent location history
2021Patents assigned to CASIO COMPUTER CO LTD (1)· patent assignee history
2021Based in Hachioji, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SANYO ELECTRIC CO | 8 | 1999–2010 |
| CASIO COMPUTER CO LTD | 1 | 2021 |
| SANYO ELECTRONICS CO LTD | 1 | 2001 |
| SINTOBRATOR LTD | 1 | 1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hirakata, JP | 4 | 2001–2007 |
| Osaka, JP | 3 | 1999–2004 |
| Hachioji, JP | 1 | 2021 |
| Gunma, JP | 1 | 2010 |
| Neyagawa, JP | 1 | 1999 |