Patent assignee · JP · COMPANY

SOMAR CORPORATION

211Patents
25Active
211Granted
43Portfolio score

Filing activity: Sep 28, 1984 → Feb 15, 2023 · 2 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US5104123A Metal bat for use in baseball Human Necessities 58 Expired
US4970189A Porous, metal-containing carbonaceous material Chemistry; Metallurgy 56 Expired
US5156396A Golf club shaft Emerging Cross-Sectional Technologies 55 Expired
US5437450A Golf club shaft and process of preparing same Emerging Cross-Sectional Technologies 46 Expired
US5445923A Laser beam absorbing resin composition and laser beam marking method Emerging Cross-Sectional Technologies 38 Expired
US4585509A Automatic laminator Emerging Cross-Sectional Technologies 35 Expired
US5271620A Golf club head Human Necessities 34 Expired
US5578120A Laser beam absorbing resin composition, coloring material therefor and laser bean marking method Emerging Cross-Sectional Technologies 33 Expired
US5078820A Method and apparatus for pressure sticking a thin film to a base plate Emerging Cross-Sectional Technologies 31 Expired
US5985425A Ink-jet recording film of improved ink fixing comprising a combination of silica powders Emerging Cross-Sectional Technologies 30 Expired
US4880488A Film peeling method and apparatus Emerging Cross-Sectional Technologies 30 Expired
US5158989A Electroless plating-resisting ink composition Electricity 30 Expired
US5143374A Golf club shaft and process for manufacturing same Emerging Cross-Sectional Technologies 29 Expired
US5551691A Golf club shaft Human Necessities 26 Expired
US5422383A Laser beam absorbing resin composition, coloring material therefor and laser beam marking method Emerging Cross-Sectional Technologies 26 Expired
US5049596A Epoxy resin based powder coating composition with mixed filler including microfine silica Emerging Cross-Sectional Technologies 25 Expired
US5354054A Golf club and golf club set Human Necessities 23 Expired
US5053268A Composite paper Emerging Cross-Sectional Technologies 20 Expired
US4867836A Film peeling apparatus Emerging Cross-Sectional Technologies 19 Expired
USD347013S Film laminator for printed circuit boards General 19 Expired
US5685783A Golf club shaft Emerging Cross-Sectional Technologies 17 Expired
US5676789A Film peeling method and apparatus Emerging Cross-Sectional Technologies 17 Expired
US5250591A Curable adhesive composition Emerging Cross-Sectional Technologies 16 Expired
US5053099A Film bonding method and apparatus for performing same Emerging Cross-Sectional Technologies 15 Expired
US5316843A Matted film containing a matting agent consisting of an organic filler and an inorganic filler Emerging Cross-Sectional Technologies 15 Expired

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