Inventor · disambiguated record
Masakazu Shirai
Also filed as: SHIRAI MASAKAZU
22 granted patents·5 pending applications·8 citations·filing 2009–2025
89Inventor score
Files withFUJIFILM BUSINESS INNOVATION CORP12YAMAHA CORP7FUJI XEROX CO LTD3SHIRAI MASAKAZU2KOMIYAMA TSUTOMU1
Top patents by PatentIndex Score
27 records- 0182US10362618B2Communication system, communication device, and method for reconnecting communication systemYAMAHA CORP·Filed 2017·Granted Jul 23, 2019·4 cites·17 claims
- 0282US8774674B2Image forming apparatus and transport guiding device having a smoothly operating doorTOKUNAGA MASAAKI·Filed 2012·Granted Jul 8, 2014·4 cites·8 claims
- 0375US2025162830A1Recording-material-transporting apparatus and image forming systemFUJIFILM BUSINESS INNOVATION CORP·Filed 2025·Application pending·0 cites
- 0474US12234117B2Recording-material-transporting apparatus and image forming systemFUJIFILM BUSINESS INNOVATION CORP·Filed 2022·Granted Feb 25, 2025·0 cites·10 claims
- 0567US12122631B2Recording-material-transporting apparatus and image forming systemFUJIFILM BUSINESS INNOVATION CORP·Filed 2022·Granted Oct 22, 2024·0 cites·17 claims
- 0667US11878888B2Post-processing apparatus and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted Jan 23, 2024·0 cites·12 claims
- 0762US11899390B2Recording-material-transporting apparatus and image forming systemFUJIFILM BUSINESS INNOVATION CORP·Filed 2022·Granted Feb 13, 2024·0 cites·19 claims
- 0856US12124200B2Recording-material-transporting apparatus and image forming system with oppositely oriented image readersFUJIFILM BUSINESS INNOVATION CORP·Filed 2022·Granted Oct 22, 2024·0 cites·18 claims
- 0956US10659879B2Communication system, communication device, and communication device management methodYAMAHA CORP·Filed 2019·Granted May 19, 2020·0 cites·5 claims
- 1055US11067941B2Image forming apparatus including a roller support unit and a contact portionFUJIFILM BUSINESS INNOVATION CORP·Filed 2020·Granted Jul 20, 2021·0 cites·14 claims
- 1154US11204578B2Cleaning device, waste toner recovery device, and image forming deviceFUJIFILM BUSINESS INNOVATION CORP·Filed 2020·Granted Dec 21, 2021·0 cites·23 claims
- 1254US2024091818A1Cleaning device, reading device, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Application pending·0 cites
- 1353US12355929B2Image reading apparatus and image forming systemFUJIFILM BUSINESS INNOVATION CORP·Filed 2022·Granted Jul 8, 2025·0 cites·11 claims
- 1451US10587953B2Communication system, communication device, and communication device management methodYAMAHA CORP·Filed 2017·Granted Mar 10, 2020·0 cites·18 claims
- 1551US9977374B2Transfer unit and image forming apparatus including a belt-shaped transfer target memberFUJI XEROX CO LTD·Filed 2017·Granted May 22, 2018·0 cites·13 claims
- 1650US11009813B2Image forming apparatus including a dispersion unitFUJI XEROX CO LTD·Filed 2020·Granted May 18, 2021·0 cites·3 claims
- 1750US8862019B2Cleaning device and image forming apparatus including the sameKOMIYAMA TSUTOMU·Filed 2012·Granted Oct 14, 2014·0 cites·7 claims
- 1848US2024168422A1Image inspection device and image forming apparatus using the sameFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Application pending·0 cites
- 1945US2024106962A1Image reading device and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Application pending·0 cites
- 2043US11004470B2Content reproduction device, content reproduction method, and content reproduction systemYAMAHA CORP·Filed 2019·Granted May 11, 2021·0 cites·20 claims
- 2141US10694553B2Connection method of communication device and the communication deviceYAMAHA CORP·Filed 2017·Granted Jun 23, 2020·0 cites·6 claims
- 2240US9581940B1Transfer device and image forming apparatusFUJI XEROX CO LTD·Filed 2016·Granted Feb 28, 2017·0 cites·10 claims
- 2338US8285169B2Feeding apparatus and image forming apparatusSHIRAI MASAKAZU·Filed 2010·Granted Oct 9, 2012·0 cites·11 claims
- 2438US2018083796A1Connection Method for Communication Device, Communication Device, and Control Terminal DeviceYAMAHA CORP·Filed 2017·Application pending·0 cites
- 2537US8699935B2Developer conveying apparatus and image forming apparatusYAMANAKA KAZUMI·Filed 2009·Granted Apr 15, 2014·0 cites·5 claims
- 2634US10390138B2Audio system, audio apparatus, and control method for audio apparatusYAMAHA CORP·Filed 2018·Granted Aug 20, 2019·0 cites·8 claims
- 2733US9037041B2Image forming apparatus and transfer device having a rotatable doorSHIRAI MASAKAZU·Filed 2012·Granted May 19, 2015·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →