Inventor · disambiguated record
Tetsuo Sekiguchi
Also filed as: NAKAZAWA KENJI · SEKIGUCHI TETSUO
26 granted patents·462 citations·filing 1976–1998
97Inventor score
Top patents by PatentIndex Score
26 records- 0193US4221687AAnti-yellowing compositionARGUS CHEM·Filed 1978·Granted Sep 9, 1980·49 cites·23 claims
- 0289US4252698AAnti-yellowing compositionARGUS CHEM·Filed 1979·Granted Feb 24, 1981·39 cites·17 claims
- 0380US5222407ASlip clutch mechanismASAHI OPTICAL CO LTD·Filed 1992·Granted Jun 29, 1993·30 cites·17 claims
- 0479US4822153AOne-hand zoom lens barrelASAHI OPTICAL CO LTD·Filed 1986·Granted Apr 18, 1989·43 cites·7 claims
- 0576US4105627AMercaptoheterocyclic resin stabilizersARGUS CHEM·Filed 1976·Granted Aug 8, 1978·19 cites·20 claims
- 0674US4346967AZoom lens barrel for macrophotographingASAHI OPTICAL CO LTD·Filed 1980·Granted Aug 31, 1982·28 cites·10 claims
- 0770US4387968AZoom lens mount barrelASAHI OPTICAL CO LTD·Filed 1980·Granted Jun 14, 1983·24 cites·6 claims
- 0870US4217258AStabilized halogen-containing resin compositionARGUS CHEM·Filed 1979·Granted Aug 12, 1980·14 cites·16 claims
- 0969US4244848AHalogen containing resin compositionARGUS CHEM·Filed 1979·Granted Jan 13, 1981·14 cites·14 claims
- 1067US5754339AVibration compensation device for binocularASAHI OPTICAL CO LTD·Filed 1996·Granted May 19, 1998·34 cites·20 claims
- 1167US4134868AAromatic carboxylic acid ester stabilizers for PVC resinsARGUS CHEM·Filed 1977·Granted Jan 16, 1979·13 cites·15 claims
- 1266US4113678ATin sulfide stabilizer for styrene polymerARGUS CHEM·Filed 1977·Granted Sep 12, 1978·6 cites·24 claims
- 1363US5148199AMotor-driven zoom lens barrelASAHI OPTICAL CO LTD·Filed 1991·Granted Sep 15, 1992·25 cites·20 claims
- 1461US5483384ALens accessory attaching mechanismASAHI OPTICAL CO LTD·Filed 1994·Granted Jan 9, 1996·24 cites·37 claims
- 1557US5144494AZoom lens barrelASAHI OPTICAL CO LTD·Filed 1991·Granted Sep 1, 1992·19 cites·22 claims
- 1656US4224203AVinyl chloride polymer stabilizer comprising a metal organophosphonateARGUS CHEM·Filed 1978·Granted Sep 23, 1980·8 cites·15 claims
- 1753US4146518AStabilized halogen-containing resin compositionARGUS CHEM·Filed 1977·Granted Mar 27, 1979·7 cites·16 claims
- 1851US6067195ABinoculars having hand-vibration compensation systemASAHI OPTICAL CO LTD·Filed 1998·Granted May 23, 2000·15 cites·9 claims
- 1946US4224218AStabilized vinyl chloride polymer comprising a metal mono-organic phosphiteARGUS CHEM·Filed 1978·Granted Sep 23, 1980·5 cites·11 claims
- 2045US6043934AObserving equipment having hand-vibration compensation systemASAHI OPTICAL CO LTD·Filed 1998·Granted Mar 28, 2000·11 cites·18 claims
- 2141US4997888AWeatherability and adherence of polypropyleneADEKA ARGUS CHEMICAL CO LTD·Filed 1989·Granted Mar 5, 1991·6 cites·13 claims
- 2239US4994529AWeatherability and adherence of polypropyleneADEKA ARGUS CHEMICAL CO LTD·Filed 1989·Granted Feb 19, 1991·7 cites·13 claims
- 2338US6057962AObservation optical system having hand-vibration compensation systemASAHI OPTICAL CO LTD·Filed 1998·Granted May 2, 2000·7 cites·21 claims
- 2437US5160956ALens barrel with screw mountASAHI OPTICAL CO LTD·Filed 1991·Granted Nov 3, 1992·7 cites·18 claims
- 2537US4160762AHalogen-containing resin stabilizer comprising an alkoxycarbonylalkylenetin sulfideARGUS CHEM·Filed 1977·Granted Jul 10, 1979·4 cites·18 claims
- 2633US5191482ALens driving apparatusASAHI OPTICAL CO LTD·Filed 1991·Granted Mar 2, 1993·4 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →