Inventor · disambiguated record
Wasaburo Ohta
Also filed as: NOMURA MASAAKI · OHTA WASABURO
36 granted patents·1,212 citations·filing 1975–1993
98Inventor score
Top patents by PatentIndex Score
36 records- 0198US4772885ALiquid crystal color display deviceRICOH KK·Filed 1985·Granted Sep 20, 1988·260 cites·7 claims
- 0297US4264185ATwo color electrostatographic apparatusRICOH KK·Filed 1979·Granted Apr 28, 1981·56 cites·3 claims
- 0394US4678285ALiquid crystal color display deviceRICOH KK·Filed 1985·Granted Jul 7, 1987·138 cites·19 claims
- 0489US4268157AToner image transfer method and apparatus for electrostatic photographyRICOH KK·Filed 1978·Granted May 19, 1981·28 cites·4 claims
- 0589US4060441AMethod for forming a transparent protective coating on a photograph or the likeRICOH KK·Filed 1975·Granted Nov 29, 1977·58 cites·26 claims
- 0684US5465475AMethod of forming a thin film magnetic headRICOH KK·Filed 1993·Granted Nov 14, 1995·34 cites·18 claims
- 0782US4793691ALiquid crystal color display deviceRICOH KK·Filed 1985·Granted Dec 27, 1988·53 cites·17 claims
- 0880US4984446AGas detecting device and gas detecting system using the sameRICOH KK·Filed 1989·Granted Jan 15, 1991·43 cites·34 claims
- 0978US5251202AOptical information recording medium having multi-layered structures for preventing undesired reflection and electric chargingRICOH KK·Filed 1992·Granted Oct 5, 1993·31 cites·22 claims
- 1076US5250170AGas sensor having metal-oxide semiconductor layerRICOH KK·Filed 1991·Granted Oct 5, 1993·44 cites·12 claims
- 1176US5019885AGas detecting deviceRICOH KK·Filed 1990·Granted May 28, 1991·43 cites·16 claims
- 1276US4982696AApparatus for forming thin filmRICOH KK·Filed 1989·Granted Jan 8, 1991·34 cites·13 claims
- 1376US4242434AToner composition for multiple copy electrostatic photographyRICOH KK·Filed 1978·Granted Dec 30, 1980·17 cites·20 claims
- 1475US4967589AGas detecting deviceRICOH KK·Filed 1988·Granted Nov 6, 1990·25 cites·16 claims
- 1573US5112466AApparatus for forming a thin filmRICOH KK·Filed 1990·Granted May 12, 1992·30 cites·8 claims
- 1672US5012671AGas detecting deviceRICOH KK·Filed 1989·Granted May 7, 1991·31 cites·22 claims
- 1771US5058527AThin film forming apparatusRICOH KK·Filed 1990·Granted Oct 22, 1991·32 cites·7 claims
- 1871US5003812AGas detecting deviceRICOH KK·Filed 1990·Granted Apr 2, 1991·25 cites·2 claims
- 1968US5427668AThin film deposition systemRICOH KK·Filed 1990·Granted Jun 27, 1995·20 cites·1 claims
- 2066US5133849AThin film forming apparatusRICOH KK·Filed 1989·Granted Jul 28, 1992·23 cites·2 claims
- 2161US4876984AApparatus for forming a thin filmRICOH KK·Filed 1988·Granted Oct 31, 1989·21 cites·7 claims
- 2260US5368908AOptical information recording mediumRICOH KK·Filed 1991·Granted Nov 29, 1994·24 cites·12 claims
- 2359US4818074AProjection device for irradiating a light to a display device and optically magnifying and projecting a reflection light therefromRICOH KK·Filed 1987·Granted Apr 4, 1989·19 cites·8 claims
- 2458US4974544AVapor deposition apparatusRICOH COMPANY CO·Filed 1990·Granted Dec 4, 1990·22 cites·5 claims
- 2556US4118710AElectrostatic printing apparatus comprising improved printing electrode headRICOH KK·Filed 1976·Granted Oct 3, 1978·8 cites·14 claims
- 2655US5114559AThin film deposition systemRICOH KK·Filed 1990·Granted May 19, 1992·12 cites·2 claims
- 2755US4084899AElectrostatic copying machineRICOH KK·Filed 1977·Granted Apr 18, 1978·7 cites·4 claims
- 2854US4960072AApparatus for forming a thin filmRICOH KK·Filed 1988·Granted Oct 2, 1990·13 cites·13 claims
- 2954US4172722AElectrostatic copying method for forming multiple copiesRICOH KK·Filed 1976·Granted Oct 30, 1979·8 cites·11 claims
- 3051US5147523AThin film gas sensorRICOH KK·Filed 1991·Granted Sep 15, 1992·15 cites·25 claims
- 3147US4947688AFlow velocity sensorRICOH KK·Filed 1989·Granted Aug 14, 1990·12 cites·7 claims
- 3243US4854265AThin film forming apparatusRICOH KK·Filed 1987·Granted Aug 8, 1989·12 cites·8 claims
- 3339US4015984AInorganic photoconductor in glass binds with glass overcoat layerRICOH KK·Filed 1975·Granted Apr 5, 1977·5 cites·5 claims
- 3438US4459598AImage recording methodRICOH KK·Filed 1981·Granted Jul 10, 1984·3 cites·20 claims
- 3535US4966095AApparatus for forming a thin filmRICOH KK·Filed 1989·Granted Oct 30, 1990·5 cites·9 claims
- 3632US4489332AInformation recording method and apparatusRICOH KK·Filed 1982·Granted Dec 18, 1984·1 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →