Inventor · disambiguated record
Hajime Tsukahara
Also filed as: TSUKAHARA HAJIME
21 granted patents·1 pending application·35 citations·filing 2007–2022
91Inventor score
Top patents by PatentIndex Score
22 records- 0184US7948661B2Image reading apparatus and image forming apparatus including the image reading apparatusRICOH CO LTD·Filed 2007·Granted May 24, 2011·8 cites·17 claims
- 0281US11115561B2Inclination detecting device, reading device, image processing apparatus, and method of detecting inclinationTSUKAHARA HAJIME·Filed 2020·Granted Sep 7, 2021·2 cites·15 claims
- 0378US8767268B2Image reading apparatus, image forming apparatus, and shading correction methodTSUKAHARA HAJIME·Filed 2011·Granted Jul 1, 2014·5 cites·10 claims
- 0477US7782496B2Image signal processing circuit, image reading device, and image forming apparatusRICOH KK·Filed 2007·Granted Aug 24, 2010·5 cites·18 claims
- 0575US8335023B2Image reading apparatus and image forming apparatusTSUKAHARA HAJIME·Filed 2008·Granted Dec 18, 2012·4 cites·8 claims
- 0674US8514452B2Image scanning apparatus and image forming apparatusTSUKAHARA HAJIME·Filed 2010·Granted Aug 20, 2013·3 cites·16 claims
- 0772US8279502B2Image reading apparatus and image forming apparatusTSUKAHARA HAJIME·Filed 2011·Granted Oct 2, 2012·2 cites·5 claims
- 0867US8395821B2Image reading apparatusTSUKAHARA HAJIME·Filed 2009·Granted Mar 12, 2013·2 cites·15 claims
- 0966US7719724B2Black-level feedback device, image reading device, and black-level feedback control methodRICOH KK·Filed 2007·Granted May 18, 2010·2 cites·10 claims
- 1065US8395830B2Image reading signal processing IC, image reading apparatus, and image forming apparatusTSUKAHARA HAJIME·Filed 2007·Granted Mar 12, 2013·2 cites·11 claims
- 1151US11102375B2Sheet reading apparatus for detecting the shadow of a conveyed sheet to determine an inclinationKUBO HIROSHI·Filed 2019·Granted Aug 24, 2021·0 cites·7 claims
- 1246US12066854B2Data processing device, image reading apparatus, image forming apparatus, and method for processing dataTSUKAHARA HAJIME·Filed 2020·Granted Aug 20, 2024·0 cites·12 claims
- 1346US11429141B2Data processing device, image reading apparatus, image forming apparatus, and data processing methodSASA TOMOHIRO·Filed 2020·Granted Aug 30, 2022·0 cites·15 claims
- 1446US11387326B2Silicon carbide semiconductor device and method for manufacturing the sameDENSO CORP·Filed 2020·Granted Jul 12, 2022·0 cites·17 claims
- 1546US9211626B2Semiconductor device and grinding method of semiconductor deviceKONDO TAKESHI·Filed 2014·Granted Dec 15, 2015·0 cites·5 claims
- 1645US12109861B2Calibration device, suspension system, saddle-type vehicle, and calibration methodHITACHI ASTEMO LTD·Filed 2022·Granted Oct 8, 2024·0 cites·13 claims
- 1745US10951791B2Image processing apparatus, method for processing image, and recording medium for noise removal and skew correctionHASHIMOTO AYUMU·Filed 2020·Granted Mar 16, 2021·0 cites·12 claims
- 1844US2008068467A1Signal processing integrated circuit, image reading device, and image forming apparatusKANNO TOHRU·Filed 2007·Application pending·0 cites
- 1942US7889404B2Image reading device, image forming apparatus, and reading-unit install methodRICOH CO LTD·Filed 2008·Granted Feb 15, 2011·0 cites·11 claims
- 2038US11102364B2Inclination detecting device, reading device, image processing apparatus, and method of detecting inclinationNAKADA YUUKI·Filed 2020·Granted Aug 24, 2021·0 cites·10 claims
- 2137US11102365B2Edge detecting device, tilt correction device, reading device, image processing apparatus, and edge detection methodONO TOMOHIKO·Filed 2020·Granted Aug 24, 2021·0 cites·13 claims
- 2233US8345319B2Image reading apparatusRICOH CO LTD·Filed 2010·Granted Jan 1, 2013·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →