Patent assignee · JP · COMPANY

Suncall Corporation

106Patents
82Active
106Granted
56Portfolio score

Filing activity: Apr 10, 1992 → Aug 31, 2023 · 24 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6848836B2 Optical fiber connector with a base end threaded ferrule Physics 68 Expired
US8248735B2 Magnetic head suspension for supporting piezoelectric elements in a non-facing manner relative to suspension structure Physics 66 Active
US8351160B2 Magnetic head suspension utilizing laminate conductor connecting piezoelectric elements via first and second connecting openings in the laminate Physics 41 Active
US5622358A Wave spring Mechanical Engineering; Lighting; Heating 41 Expired
US5489143A Arm rest device Emerging Cross-Sectional Technologies 39 Expired
US5816088A Surface treatment method for a steel workpiece using high speed shot peening Emerging Cross-Sectional Technologies 24 Expired
US8998505B2 Optical connector Physics 23 Active
US6351351B1 Magnetic head suspension Electricity 22 Expired
US8506174B2 Optical connector Physics 16 Active
US5978177A Magnetic head suspension comprising a flexure bonded to a load beam via a flexible resin Physics 15 Expired
US6057986A Support mechanism for magnetic head sliders and method for producing the same Emerging Cross-Sectional Technologies 14 Expired
US6164835A Split sleeve for optical connectors Physics 14 Expired
US5682279A Magnetic head support device of floating type Physics 13 Expired
US7365945B2 Magnetic head suspension with a lift tab Physics 12 Expired
US7997806B2 Optical fiber connector Physics 12 Active
US6673256B2 Wiring integrated flexure and method of manufacturing the same Physics 10 Expired
US7384200B2 Optical adaptor mounting metal fittings and an optical adaptor Physics 10 Active
US8369047B2 Magnetic head suspension and manufacturing method thereof with pair of piezoelectric adjusters Emerging Cross-Sectional Technologies 10 Active
US6431485B1 Automotive seatbelt take-up device Performing Operations; Transporting 10 Expired
US8317408B2 Optical-fiber connection unit, and optical connector and optical adapter used therein Physics 9 Active
US7680363B2 Optical pressure sensor Physics 9 Active
US6132105A Multi-core-fiber optical connector Physics 9 Expired
US7661887B2 Shutter assembly Physics 8 Active
US6790294B1 Spring with excellent fatigue endurance property and surface treatment method for producing the spring Emerging Cross-Sectional Technologies 8 Expired
US6659137B2 Two-layer clad pipe Emerging Cross-Sectional Technologies 7 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.