Inventor
Teppei Hirotsu
Inventor
Tokyo, JP
Overview
Patents· 26 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing12%
F02DControlling combustion engines10%
H03KPulse technique10%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof7%
G01RMeasuring electric variables7%
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 systems7%
H04LTransmission of digital information, e.g. telegraphic communication7%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters5%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for3%
G05FSystems for regulating electric or magnetic variables3%
PatentTitleYear
10,961,935Drive device for fuel injection device, and fuel injection system202110,962,600Inverter control device and power conversion device202110,955,836Diagnosis system and electronic control device202110,804,891Driving device202010,700,741Electronic control apparatus provided with power line communication function, actuator, electronic control system, and automobile using same202010,498,395Power line communication apparatus and electronic control apparatus including power line communication apparatus201910,425,081Field programmable logic array201910,243,568Semiconductor device, control system, and synchronization method201910,240,551Electromagnetic valve control unit and internal combustion engine control device using same201910,049,578Travel command generation device201810,044,494Electronic control device20189,926,874'Drive device for fuel injection device, and fuel injection system'20189,735,784'Programmable logic device and logic integration tool'20179,714,626'Drive device for fuel injection device'20179,170,587'Current control semiconductor element and control device using the same'20159,160,490'Electronic control device'20159,154,033'Current control semiconductor device and control device using the same'20159,146,567'Current control device'20158,653,601'Current control semiconductor element and control device using the same'20148,578,135'Apparatus for calculating and prefetching a branch target address'20138,421,441'Current-controlled semiconductor device and control unit using the same'20138,095,825'Error correction method with instruction level rollback'20127,904,626'Arbiter and arbitration method of multiple data accesses'20117,752,527'Microcontroller and RAM'20106,792,583'Information processing apparatus, information processing system, and storage media'20046,609,232'Logic compound method and logic compound apparatus'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003–2021Patents assigned to HITACHI LTD (5)· patent assignee history
2003–2015Based in Hitachi, JP· patent location history
2011–2019Patents assigned to RENESAS ELECTRONICS CORP (4)· patent assignee history
2012–2015Patents assigned to HIROTSU TEPPEI (7)· patent assignee history
2013–2021Patents assigned to HITACHI AUTOMOTIVE SYSTEMS LTD (15)· patent assignee history
2013–2015Patents assigned to KANEKAWA NOBUYASU (4)· patent assignee history
2015–2021Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI AUTOMOTIVE SYSTEMS LTD | 15 | 2013–2021 |
| HIROTSU TEPPEIself | 7 | 2012–2015 |
| HITACHI LTD | 5 | 2003–2021 |
| KANEKAWA NOBUYASU | 4 | 2013–2015 |
| RENESAS ELECTRONICS CORP | 4 | 2011–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 16 | 2015–2021 |
| Hitachi, JP | 10 | 2003–2015 |