Inventor · disambiguated record
Masayuki Hama
Also filed as: HAMA MASAYUKI
25 granted patents·8 pending applications·721 citations·filing 2000–2023
97Inventor score
Top patents by PatentIndex Score
33 records- 0199US9651883B2TonerCANON KK·Filed 2016·Granted May 16, 2017·41 cites·5 claims
- 0299US9348253B2Image-forming methodCANON KK·Filed 2015·Granted May 24, 2016·45 cites·5 claims
- 0398US10564560B2TonerCANON KK·Filed 2018·Granted Feb 18, 2020·25 cites·8 claims
- 0498US10474049B2TonerCANON KK·Filed 2019·Granted Nov 12, 2019·32 cites·7 claims
- 0598US10423086B2TonerCANON KK·Filed 2018·Granted Sep 24, 2019·22 cites·4 claims
- 0698US10274851B2TonerCANON KK·Filed 2018·Granted Apr 30, 2019·27 cites·13 claims
- 0798US10197936B2TonerCANON KK·Filed 2017·Granted Feb 5, 2019·39 cites·5 claims
- 0898US10175595B2TonerCANON KK·Filed 2017·Granted Jan 8, 2019·41 cites·7 claims
- 0998US10146146B2Toner and method of producing tonerCANON KK·Filed 2017·Granted Dec 4, 2018·38 cites·7 claims
- 1098US10082743B2TonerCANON KK·Filed 2016·Granted Sep 25, 2018·35 cites·3 claims
- 1198US10036970B2Magenta tonerCANON KK·Filed 2017·Granted Jul 31, 2018·36 cites·8 claims
- 1298US9665023B2Toner and two-component developerCANON KK·Filed 2014·Granted May 30, 2017·53 cites·6 claims
- 1398US8927188B2Method of producing magnetic carrier and magnetic carrier that uses this production methodCANON KK·Filed 2013·Granted Jan 6, 2015·60 cites·2 claims
- 1498US8921023B2Magnetic carrier and two-component developerCANON KK·Filed 2013·Granted Dec 30, 2014·51 cites·10 claims
- 1597US10599060B2TonerCANON KK·Filed 2018·Granted Mar 24, 2020·21 cites·6 claims
- 1697US10451986B2TonerCANON KK·Filed 2018·Granted Oct 22, 2019·32 cites·4 claims
- 1797US10401748B2TonerCANON KK·Filed 2017·Granted Sep 3, 2019·35 cites·4 claims
- 1896US11131939B2TonerCANON KK·Filed 2019·Granted Sep 28, 2021·14 cites·9 claims
- 1995US11662670B2TonerCANON KK·Filed 2020·Granted May 30, 2023·3 cites·12 claims
- 2092US7135263B2TonerCANON KK·Filed 2004·Granted Nov 14, 2006·42 cites·12 claims
- 2185US6430384B2Developer-carrying member having exposed surface containing graphite or molybdenum disulfide particlesCANON KK·Filed 2000·Granted Aug 6, 2002·26 cites·96 claims
- 2276US8530129B2Image forming methodHAMA MASAYUKI·Filed 2011·Granted Sep 10, 2013·3 cites·7 claims
- 2363US12386280B2TonerCANON KK·Filed 2021·Granted Aug 12, 2025·0 cites·8 claims
- 2462US2018307153A1Magenta tonerCANON KK·Filed 2018·Application pending·0 cites
- 2560US10620556B2TonerCANON KK·Filed 2018·Granted Apr 14, 2020·0 cites·6 claims
- 2659US2017315463A1TonerCANON KK·Filed 2017·Application pending·0 cites
- 2750US2024004324A1Yellow tonerCANON KK·Filed 2023·Application pending·0 cites
- 2844US2014134535A1Magnetic carrier and two-component developerCANON KK·Filed 2014·Application pending·0 cites
- 2942US2022197166A1TonerCANON KK·Filed 2021·Application pending·0 cites
- 3041US2018246434A1TonerCANON KK·Filed 2018·Application pending·0 cites
- 3141US2018314176A1Toner and toner manufacturing methodCANON KK·Filed 2018·Application pending·0 cites
- 3240US10048610B2Toner and method for manufacturing tonerCANON KK·Filed 2016·Granted Aug 14, 2018·0 cites·6 claims
- 3332US2006141381A1Photosensitive resin composition, and photosensitive element, method for forming resist pattern and printed wiring board using the compositionHITACHI CHEMICAL CO LTD·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →