Inventor · disambiguated record
Hiroyuki Hazama
Also filed as: HAZAMA HIROYUKI
21 granted patents·1 pending application·201 citations·filing 1987–2017
95Inventor score
Top patents by PatentIndex Score
22 records- 0195US10367335B2Spark plug and production method thereforNGK SPARK PLUG CO·Filed 2017·Granted Jul 30, 2019·20 cites·7 claims
- 0280US5805959AProcess unitMITA INDUSTRIAL CO LTD·Filed 1997·Granted Sep 8, 1998·31 cites·1 claims
- 0374US10637212B2Method for manufacturing insulator for spark plugNGK SPARK PLUG CO·Filed 2015·Granted Apr 28, 2020·1 cites·7 claims
- 0471USD401615SDeveloping unit for forming an imageMITA INDUSTRIAL CO LTD·Filed 1997·Granted Nov 24, 1998·16 cites·1 claims
- 0566US5752134AProcess unit of image forming machine having pre-transfer guideMITA INDUSTRIAL CO LTD·Filed 1997·Granted May 12, 1998·18 cites·5 claims
- 0659US5659839AVoltage control apparatus for controlling a charger in an image forming apparatusMITA INDUSTRIAL CO LTD·Filed 1995·Granted Aug 19, 1997·14 cites·18 claims
- 0758US5572295AVoltage control device for a chargeMITA INDUSTRIAL CO LTD·Filed 1995·Granted Nov 5, 1996·14 cites·13 claims
- 0856US5774768AImage-forming apparatus and image-forming unitMITA INDUSTRIAL CO LTD·Filed 1997·Granted Jun 30, 1998·12 cites·11 claims
- 0953US5752132AProcess unitMITA INDUSTRIAL CO LTD·Filed 1997·Granted May 12, 1998·12 cites·2 claims
- 1052US5761572AImage forming apparatus having a transferring unit improved in operational timingMITA INDUSTRIAL CO LTD·Filed 1996·Granted Jun 2, 1998·10 cites·5 claims
- 1150US5842104AImage-forming device and a process unit therefor having a guide plate with multiple openingsMITA INDUSTRIAL CO LTD·Filed 1997·Granted Nov 24, 1998·9 cites·6 claims
- 1249US5848336AElectrostatic latent image developer with shaft bearing membersMITA INDUSTRIAL CO LTD·Filed 1997·Granted Dec 8, 1998·10 cites·4 claims
- 1346US5845178ACharging device having a charger arrangement frame in which a discharge wire, coil spring and electrode are disposed, for use in a compact electrophotographic image forming apparatusMITA INDUSTRIAL CO LTD·Filed 1997·Granted Dec 1, 1998·9 cites·5 claims
- 1446US5258253AMagnetic carrier for electronic reproduction coated with a nitrogen containing silicone resinMITA INDUSTRIAL CO LTD·Filed 1992·Granted Nov 2, 1993·7 cites·13 claims
- 1544US5826153AImage-forming machineMITA INDUSTRIAL CO LTD·Filed 1997·Granted Oct 20, 1998·7 cites·8 claims
- 1643US10751923B2Spark plug insulator production method, insulator, molding dieNGK SPARK PLUG CO·Filed 2015·Granted Aug 25, 2020·0 cites·5 claims
- 1739US5832342AImage forming machine with a contact type developing deviceMITA INDUSTRIAL CO LTD·Filed 1997·Granted Nov 3, 1998·5 cites·1 claims
- 1837US2008187368A1Drum unit and image forming apparatus equipped therewithKYOCERA MITA CORP·Filed 2008·Application pending·0 cites
- 1935US5828938ATransferring device and image forming apparatus using the sameMITA INDUSTRIAL CO LTD·Filed 1997·Granted Oct 27, 1998·3 cites·6 claims
- 2035US5784673AImage forming apparatus having a toner brush equipped with a toughening member for materials of the brushMITA INDUSTRIAL CO LTD·Filed 1996·Granted Jul 21, 1998·3 cites·4 claims
- 2129US5547805AElectrophotographic method using amorphous silicon photosensitive materialMITA INDUSTRIAL CO LTD·Filed 1995·Granted Aug 20, 1996·0 cites·2 claims
- 2223US4826750ADevelopment process in electrophotography utilizing carbon black of specified coloring powerMITA INDUSTRIAL CO LTD·Filed 1987·Granted May 2, 1989·0 cites·8 claims
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