Inventor · disambiguated record
Kenji Ohta
Also filed as: OHTA KENJI
248 granted patents·3 pending applications·5,083 citations·filing 1981–2019
99Inventor score
Top patents by PatentIndex Score
251 records- 0199US5383176AOptical diskSHARP KK·Filed 1993·Granted Jan 17, 1995·173 cites·23 claims
- 0298US5666141AInk jet head and a method of manufacturing thereofSHARP KK·Filed 1994·Granted Sep 9, 1997·680 cites·13 claims
- 0398US5414652AMagneto-optical memory elementSHARP KK·Filed 1994·Granted May 9, 1995·137 cites·4 claims
- 0496US5499229ATrack scanning for reproducing address information by crosstalkSHARP KK·Filed 1994·Granted Mar 12, 1996·92 cites·9 claims
- 0595US9192024B2Dimming consolePANASONIC IP MAN CO LTD·Filed 2014·Granted Nov 17, 2015·29 cites·4 claims
- 0695USD507526SBattery charger for an input/output terminal of a computerSHARP KK·Filed 2004·Granted Jul 19, 2005·62 cites·1 claims
- 0795US5684519AInk jet head with buckling structure bodySHARP KK·Filed 1995·Granted Nov 4, 1997·108 cites·9 claims
- 0894US6457353B1Apparatus of diagnosing an internal combustion engine and a method of diagnosing of an internal combustion engineHITACHI LTD·Filed 2000·Granted Oct 1, 2002·53 cites·12 claims
- 0993USD665012SCopierSAITO NAOKI·Filed 2011·Granted Aug 7, 2012·55 cites·1 claims
- 1093US5398011AMicrorelay and a method for producing the sameSHARP KK·Filed 1993·Granted Mar 14, 1995·82 cites·14 claims
- 1193US4544443AMethod for manufacturing an optical memory elementSHAP KABUSHIKI KAISHA·Filed 1984·Granted Oct 1, 1985·54 cites·16 claims
- 1293US4467383AMagnetooptic memory mediumSHARP KK·Filed 1981·Granted Aug 21, 1984·35 cites·19 claims
- 1392US6648822B2Communication apparatus and communication method for outputting an estimate of a patient's mental stateSHARP KK·Filed 2001·Granted Nov 18, 2003·88 cites·25 claims
- 1492US4390600AMagneto-optic memory mediumSHARP KK·Filed 1982·Granted Jun 28, 1983·46 cites·7 claims
- 1591US7284424B2Thermal air flow rate measuring apparatus and its flowmeter and internal combustion engine and thermal air flow rate measuring method using itHITACHI CAR ENG CO LTD·Filed 2001·Granted Oct 23, 2007·47 cites·14 claims
- 1691US7283893B2Group robot system, and sensing robot and base station used thereforSHARP KK·Filed 2006·Granted Oct 16, 2007·23 cites·5 claims
- 1791US6379864B1Method for manufacturing an optical diskSHARP KK·Filed 1997·Granted Apr 30, 2002·52 cites·16 claims
- 1891US5328256AAnti-skid brake control deviceHITACHI LTD·Filed 1992·Granted Jul 12, 1994·47 cites·3 claims
- 1991US5278810AMagneto-optical recording medium whereon recording is carried out with an overwriting functionSHARP KK·Filed 1992·Granted Jan 11, 1994·55 cites·22 claims
- 2090US6661745B1Optical reproducing and recording method, recording medium, and optical deviceAGENCY IND SCIENCE TECHN·Filed 2000·Granted Dec 9, 2003·28 cites·26 claims
- 2190US4787076AOptical disc tracking system with switching of tracking error signals at boundary between track guide and track addressSHARP KK·Filed 1986·Granted Nov 22, 1988·37 cites·2 claims
- 2290US4634617AOptical memory discSHARP KK·Filed 1984·Granted Jan 6, 1987·34 cites·13 claims
- 2389US5656385AMagnetic recording medium and information recording-reproduction method using the sameSHARP KK·Filed 1993·Granted Aug 12, 1997·30 cites·7 claims
- 2489US5399461AOptical disk for use in optical memory devicesSHARP KK·Filed 1993·Granted Mar 21, 1995·81 cites·4 claims
- 2587US7050383B2Optical recording medium recorded with information in depth direction, and method and apparatus of reproduction therefromSHARP KK·Filed 2001·Granted May 23, 2006·20 cites·11 claims
- 2687US5477524AOptical memory medium with preformed pit arrangementSHARP KK·Filed 1994·Granted Dec 19, 1995·33 cites·6 claims
- 2787US5452272AMagneto-optical recording and reproducing device having light interrupting forming main robe and side robe light beam portionsSHARP KK·Filed 1993·Granted Sep 19, 1995·41 cites·20 claims
- 2887US5059473AOptical recording medium and manufacturing method thereofSHARP KK·Filed 1989·Granted Oct 22, 1991·33 cites·13 claims
- 2986USD378099SCopierSHARP KK·Filed 1996·Granted Feb 18, 1997·31 cites·1 claims
- 3086US5428585AMagneto-optical recording medium comprising first, second and third magnetic layers and method of recording on sameSHARP KK·Filed 1993·Granted Jun 27, 1995·40 cites·11 claims
- 3186US5128922AOptical disk with glass substrate and method of producing sameSHARP KK·Filed 1991·Granted Jul 7, 1992·38 cites·2 claims
- 3286USD325571SData input and output terminalSHARP KK·Filed 1990·Granted Apr 21, 1992·27 cites·1 claims
- 3385US5644566AMagneto-optical recording mediumSHARP KK·Filed 1995·Granted Jul 1, 1997·44 cites·5 claims
- 3485US5087535AMethod of manufacturing photo-mask and photo-mask manufactured therebySHARP KK·Filed 1987·Granted Feb 11, 1992·27 cites·25 claims
- 3584US5586109AOptical memory having narrowed track pitchSHARP KK·Filed 1994·Granted Dec 17, 1996·28 cites·7 claims
- 3683US5386400AMagneto-optical head device having a lubricated memberSHARP KK·Filed 1994·Granted Jan 31, 1995·33 cites·5 claims
- 3783US4573149AMagneto-optical head assembly with improved detection meansSHARP KK·Filed 1982·Granted Feb 25, 1986·32 cites·5 claims
- 3883US4414650AMagneto-optic memory elementSHARP KK·Filed 1981·Granted Nov 8, 1983·45 cites·4 claims
- 3982US4956243AOptical memory elementSHARP KK·Filed 1987·Granted Sep 11, 1990·26 cites·13 claims
- 4081USD507592SCash registerSHARP KK·Filed 2004·Granted Jul 19, 2005·24 cites·1 claims
- 4181US5674583AOptical recording medium and manufacturing method thereofSHARP KK·Filed 1995·Granted Oct 7, 1997·31 cites·16 claims
- 4281USD324513SData input and output terminalSHARP KK·Filed 1990·Granted Mar 10, 1992·22 cites·1 claims
- 4381US5066381ATarget unitSHARP KK·Filed 1990·Granted Nov 19, 1991·51 cites·26 claims
- 4481US4489139AMagneto-optic memory mediumSHARP KK·Filed 1983·Granted Dec 18, 1984·27 cites·5 claims
- 4580USD501207SInput/output terminal for a computerSHARP KK·Filed 2004·Granted Jan 25, 2005·23 cites·1 claims
- 4680US5490131AOptical diskSHARP KK·Filed 1991·Granted Feb 6, 1996·31 cites·29 claims
- 4780US5425349AEngine fuel injection controllerNISSAN MOTOR·Filed 1993·Granted Jun 20, 1995·32 cites·4 claims
- 4880US4610912AMagneto-optic memory elementSHARP KK·Filed 1984·Granted Sep 9, 1986·31 cites·15 claims
- 4979USD664591SOperating panel for a copierOHTA KENJI·Filed 2011·Granted Jul 31, 2012·27 cites·1 claims
- 5079US7082351B2Group robot system, and sensing robot and base station used thereforSHARP KK·Filed 2002·Granted Jul 25, 2006·21 cites·36 claims
Showing the top 50 of 251 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →