Inventor · disambiguated record
Kohei Katayama
Also filed as: KATAYAMA KOHEI
5 granted patents·41 citations·filing 1986–2015
69Inventor score
Top patents by PatentIndex Score
5 records- 0183US4782202AMethod and apparatus for resistance adjustment of thick film thermal print headsMITSUBISHI ELECTRIC CORP·Filed 1986·Granted Nov 1, 1988·41 cites·13 claims
- 0247US9470991B2Method for producing positively chargeable tonerKAO CORP·Filed 2014·Granted Oct 18, 2016·0 cites·18 claims
- 0341US10345728B2Toner for electrophotographyKAO CORP·Filed 2015·Granted Jul 9, 2019·0 cites·20 claims
- 0438US10061217B2Electrophotography tonerKAO CORP·Filed 2015·Granted Aug 28, 2018·0 cites·20 claims
- 0537US8221949B2TonerTAJIMA HISAKAZU·Filed 2009·Granted Jul 17, 2012·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →