Assignee
KOYAMA TATSUYA
JP·5 granted patents·4 citations·filing 2011–2014
Top patents by PatentIndex Score
5 records- 0180US9506137B2Gas-carburized steel part excellent in surface fatigue strength, steel product for gas carburizing, and manufacturing method of gas-carburized steel partKOYAMA TATSUYA·Filed 2011·Granted Nov 29, 2016·2 cites·9 claims
- 0276US9122218B2Image forming device capable of detecting abnormality in temperature sensing memberKOYAMA TATSUYA·Filed 2014·Granted Sep 1, 2015·2 cites·8 claims
- 0347US9031442B2Image-forming apparatus that corrects detected temperature of heating member detected by non-contact temperature sensorKOYAMA TATSUYA·Filed 2013·Granted May 12, 2015·0 cites·11 claims
- 0447US8983351B2Fixing deviceKOYAMA TATSUYA·Filed 2011·Granted Mar 17, 2015·0 cites·23 claims
- 0544US8965225B2Image-forming apparatus setting upper limit of electric power based on detection result of sheet detectorKOYAMA TATSUYA·Filed 2013·Granted Feb 24, 2015·0 cites·10 claims
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