Assignee
HITACHI INFORMATION & TELECOMMUNICATION ENG LTD
JP·22 granted patents·8 pending applications·30 citations·filing 2013–2022
Top patents by PatentIndex Score
30 records- 0191US9595841B2DC-DC converter, secondary battery charge and discharge system, and method of controlling DC-DC converterHITACHI INFORMATION & TELECOMMUNICATION ENG LTD·Filed 2015·Granted Mar 14, 2017·13 cites·17 claims
- 0269US9680303B2Power storage system and power source systemHITACHI INFORMATION & TELECOMMUNICATION ENG LTD·Filed 2013·Granted Jun 13, 2017·4 cites·13 claims
- 0367US9402092B2Communication device, communication program, and communication methodHITACHI INFORMATION & TELECOMMUNICATION ENG LTD·Filed 2014·Granted Jul 26, 2016·3 cites·5 claims
- 0465US10194059B2Image processing apparatus and image processing methodHITACHI INFORMATION & TELECOMMUNICATION ENG LTD·Filed 2015·Granted Jan 29, 2019·2 cites·13 claims
- 0563US10395127B2State prediction device and state prediction methodHITACHI INFORMATION & TELECOMMUNICATION ENG LTD·Filed 2016·Granted Aug 27, 2019·2 cites·6 claims
- 0663US10063058B2Power converterHITACHI INFORMATION & TELECOMMUNICATION ENG LTD·Filed 2017·Granted Aug 28, 2018·1 cites·9 claims
- 0763US9509992B2Video image compression/decompression deviceHITACHI INFORMATION & TELECOMMUNICATION ENG LTD·Filed 2013·Granted Nov 29, 2016·2 cites·2 claims
- 0861US9991819B2Power conversion system and method for detecting isolated operation of the sameHITACHI INFORMATION & TELECOMMUNICATION ENG LTD·Filed 2014·Granted Jun 5, 2018·2 cites·9 claims
- 0956US12372997B2Processing device and error detection methodHITACHI INFORMATION & TELECOMMUNICATION ENG LTD·Filed 2022·Granted Jul 29, 2025·0 cites·9 claims
- 1052US11304176B2Device control system and method thereofHITACHI INFORMATION & TELECOMMUNICATION ENG LTD·Filed 2019·Granted Apr 12, 2022·0 cites·13 claims
- 1151US10846282B2Behavior characteristic amount analysis system and behavior characteristic amount analysis methodHITACHI INFORMATION & TELECOMMUNICATION ENG LTD·Filed 2018·Granted Nov 24, 2020·0 cites·8 claims
- 1251US10091392B2Image reading device, image reading method, and image reading programHITACHI INFORMATION & TELECOMMUNICATION ENG LTD·Filed 2015·Granted Oct 2, 2018·1 cites·7 claims
- 1346US9438379B2Communication device, communication program, communication method, and information processing deviceHITACHI INFORMATION & TELECOMMUNICATION ENG LTD·Filed 2014·Granted Sep 6, 2016·0 cites·7 claims
- 1443US9472226B2Precise alignment method and precise alignment apparatus for optical componentHITACHI INFORMATION & TELECOMMUNICATION ENG LTD·Filed 2014·Granted Oct 18, 2016·0 cites·4 claims
- 1543US2016243669A1Clamp jig and method of polishing workpieceHITACHI INFORMATION & TELECOMMUNICATION ENG LTD·Filed 2016·Application pending·0 cites
- 1642US2017211830A1Air-conditioning control system, air-conditioning planning device, and planning methodHITACHI INFORMATION & TELECOMMUNICATION ENG LTD·Filed 2016·Application pending·0 cites
- 1740US2019096399A1Call voice processing system and call voice processing methodHITACHI INFORMATION & TELECOMMUNICATION ENG LTD·Filed 2018·Application pending·0 cites
- 1840US2022035974A1Movement route prediction system, movement route prediction method, and recording mediumHITACHI INFORMATION & TELECOMMUNICATION ENG LTD·Filed 2020·Application pending·0 cites
- 1939US10855837B2Call recording system and method of reproducing recorded callHITACHI INFORMATION & TELECOMMUNICATION ENG LTD·Filed 2018·Granted Dec 1, 2020·0 cites·8 claims
- 2039US2022366292A1State Prediction SystemHITACHI INFORMATION & TELECOMMUNICATION ENG LTD·Filed 2019·Application pending·0 cites
- 2138US2017155325A1Resonant power supply deviceHITACHI INFORMATION & TELECOMMUNICATION ENG LTD·Filed 2016·Application pending·0 cites
- 2237US10116936B2Moving image coding device, moving image decoding device, moving image coding method, and moving image decoding methodHITACHI INFORMATION & TELECOMMUNICATION ENG LTD·Filed 2015·Granted Oct 30, 2018·0 cites·20 claims
- 2335US9515557B2Step-up step-down converter deviceHITACHI INFORMATION & TELECOMMUNICATION ENG LTD·Filed 2015·Granted Dec 6, 2016·0 cites·3 claims
- 2433US11006107B2State prediction control apparatus and state prediction control methodHITACHI INFORMATION & TELECOMMUNICATION ENG LTD·Filed 2017·Granted May 11, 2021·0 cites·8 claims
- 2533US10522149B2Call control system and call control methodHITACHI INFORMATION & TELECOMMUNICATION ENG LTD·Filed 2018·Granted Dec 31, 2019·0 cites·8 claims
- 2632US10924611B2Voice recognition system and call evaluation setting methodHITACHI INFORMATION & TELECOMMUNICATION ENG LTD·Filed 2018·Granted Feb 16, 2021·0 cites·8 claims
- 2732US10170120B2Call management system and its speech recognition control methodHITACHI INFORMATION & TELECOMMUNICATION ENG LTD·Filed 2017·Granted Jan 1, 2019·0 cites·18 claims
- 2832US2021383250A1State Prediction Apparatus and State Prediction Control MethodHITACHI INFORMATION & TELECOMMUNICATION ENG LTD·Filed 2018·Application pending·0 cites
- 2931US2016301945A1Image compression/decompression deviceHITACHI INFORMATION & TELECOMMUNICATION ENG LTD·Filed 2015·Application pending·0 cites
- 3026US10250744B2Call center system and voice recognition control method of the sameHITACHI INFORMATION & TELECOMMUNICATION ENG LTD·Filed 2016·Granted Apr 2, 2019·0 cites·3 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →