Patent assignee · JP · COMPANY

TAIHO KOGYO Co., Ltd.

307Patents
152Active
307Granted
50Portfolio score

Filing activity: Apr 10, 1975 → Mar 2, 2023 · 24 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US5498654A Sliding bearing material Mechanical Engineering; Lighting; Heating 41 Expired
US4000982A Bearing material Emerging Cross-Sectional Technologies 36 Expired
US5431418A Metal gasket Mechanical Engineering; Lighting; Heating 36 Expired
US4721314A Lip seal device Mechanical Engineering; Lighting; Heating 34 Expired
US6123009A Swash plate of swash-plate compressor Mechanical Engineering; Lighting; Heating 32 Expired
US4568252A Swash-plate type compressor Mechanical Engineering; Lighting; Heating 30 Expired
US5083802A Lip seal device Mechanical Engineering; Lighting; Heating 30 Expired
US4958712A Wet clutch device Mechanical Engineering; Lighting; Heating 30 Expired
US4822059A Dual lip seal device Mechanical Engineering; Lighting; Heating 29 Expired
US4662267A Swash plate type compressor shoe Emerging Cross-Sectional Technologies 29 Expired
US4597677A Leaf-type foil thrust bearing Mechanical Engineering; Lighting; Heating 28 Expired
US5056799A Lip seal device Mechanical Engineering; Lighting; Heating 26 Expired
US4334926A Bearing material Emerging Cross-Sectional Technologies 26 Expired
US5875702A Swash plate of swash plate compressor and combination of swash plate with shoes Mechanical Engineering; Lighting; Heating 25 Expired
US4834397A Lip seal device having an annular groove Mechanical Engineering; Lighting; Heating 25 Expired
US5938864A Sliding material and surface treating method thereof Emerging Cross-Sectional Technologies 24 Expired
US4154900A Composite material of ferrous cladding material and aluminum cast matrix and method for producing the same Emerging Cross-Sectional Technologies 24 Expired
US4416458A Mechanical face seal with minute pores in sliding surface Mechanical Engineering; Lighting; Heating 23 Expired
US6238005A Wheel balance weight Mechanical Engineering; Lighting; Heating 22 Expired
US5817397A Sliding bearing Emerging Cross-Sectional Technologies 22 Expired
US4683804A Swash plate type compressor shoe Emerging Cross-Sectional Technologies 22 Expired
US4898905A Sliding material Chemistry; Metallurgy 22 Expired
US4205858A Shaft-sealing sliding member Emerging Cross-Sectional Technologies 22 Expired
US4641570A Swash plate type compressor having a center cavity in surface of piston shoe Emerging Cross-Sectional Technologies 21 Expired
US6165246A Copper-base sintered sliding material excellent in slipperiness and machaniability Emerging Cross-Sectional Technologies 21 Expired

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