Inventor · disambiguated record
Akifumi Matsubara
Also filed as: MATSUBARA AKIFUMI
11 granted patents·8 pending applications·235 citations·filing 2017–2020
91Inventor score
Files withCANON KK19
Top patents by PatentIndex Score
19 records- 0198US11181848B2Liquid developer and method of producing liquid developerCANON KK·Filed 2020·Granted Nov 23, 2021·15 cites·5 claims
- 0298US10474049B2TonerCANON KK·Filed 2019·Granted Nov 12, 2019·32 cites·7 claims
- 0398US10175595B2TonerCANON KK·Filed 2017·Granted Jan 8, 2019·41 cites·7 claims
- 0498US10146146B2Toner and method of producing tonerCANON KK·Filed 2017·Granted Dec 4, 2018·38 cites·7 claims
- 0598US10036970B2Magenta tonerCANON KK·Filed 2017·Granted Jul 31, 2018·36 cites·8 claims
- 0697US10451986B2TonerCANON KK·Filed 2018·Granted Oct 22, 2019·32 cites·4 claims
- 0797US10401748B2TonerCANON KK·Filed 2017·Granted Sep 3, 2019·35 cites·4 claims
- 0896US11112707B2Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2020·Granted Sep 7, 2021·6 cites·6 claims
- 0962US2018307153A1Magenta tonerCANON KK·Filed 2018·Application pending·0 cites
- 1060US10620556B2TonerCANON KK·Filed 2018·Granted Apr 14, 2020·0 cites·6 claims
- 1159US2017315463A1TonerCANON KK·Filed 2017·Application pending·0 cites
- 1256US11624987B2Liquid developerCANON KK·Filed 2020·Granted Apr 11, 2023·0 cites·5 claims
- 1342US11209756B2Method for producing printed matterCANON KK·Filed 2020·Granted Dec 28, 2021·0 cites·12 claims
- 1441US2018348658A1Curable liquid developer and method for producing curable liquid developerCANON KK·Filed 2018·Application pending·0 cites
- 1541US2018329333A1Curable liquid developer and method for manufacturing curable liquid developerCANON KK·Filed 2018·Application pending·0 cites
- 1641US2018314176A1Toner and toner manufacturing methodCANON KK·Filed 2018·Application pending·0 cites
- 1740US2018321607A1Curable liquid developerCANON KK·Filed 2018·Application pending·0 cites
- 1840US2021080848A1Liquid developerCANON KK·Filed 2020·Application pending·0 cites
- 1940US2020409284A1Liquid developerCANON KK·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →