Patent assignee · JP · COMPANY

YAMABIKO CORPORATION

145Patents
145Active
145Granted
63Portfolio score

Filing activity: Dec 6, 2005 → Apr 9, 2024 · 13 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7788811B2 Hand-held power working machine Emerging Cross-Sectional Technologies 16 Active
USD846809S1 Helmet General 14 Active
US9538711B2 Backpack working machine Human Necessities 14 Active
US8745815B2 Blower Human Necessities 12 Active
US8789237B2 Air-blow work machine Human Necessities 11 Active
US8469001B2 Work apparatus with internal combustion engine Mechanical Engineering; Lighting; Heating 11 Active
US7866048B2 Power hand tool Emerging Cross-Sectional Technologies 11 Active
US9736991B2 Reciprocating working machine Human Necessities 9 Active
US7699902B2 Refuse-trapping cover for use in portable working machine Performing Operations; Transporting 8 Active
US8818548B2 Work apparatus with safety equipment Emerging Cross-Sectional Technologies 8 Active
US7744342B2 Blower fan and working machine provided with the same Mechanical Engineering; Lighting; Heating 7 Active
US7857881B2 Air cleaner for two-stroke internal combustion engine and method of tuning the length of air-fuel mixture passage by using the air cleaner Emerging Cross-Sectional Technologies 6 Active
US9204707B2 Shoulder harness for portable work machine Human Necessities 6 Active
US8910840B2 Shoulder harness for portable working machine Human Necessities 5 Active
US9206567B2 Air-blow working machine Human Necessities 4 Active
USD788823S1 Engine for brush cutter General 3 Active
US9925685B2 Chainsaw Performing Operations; Transporting 3 Active
US9551301B2 Rotary-type carburetor Mechanical Engineering; Lighting; Heating 3 Active
US10165738B2 Blow operation device Mechanical Engineering; Lighting; Heating 3 Active
US11166411B2 Lawn mower Human Necessities 3 Active
US10495115B2 Portable power working machine Mechanical Engineering; Lighting; Heating 2 Active
US8714122B2 Two-stroke engine having a ported piston to facilitate airflow therethrough Mechanical Engineering; Lighting; Heating 2 Active
US10495017B2 Portable working machine including engine with carburetor and fuel supply control method thereof Mechanical Engineering; Lighting; Heating 2 Active
US9393712B2 Structure for preventing falling of fastening nut of portable power work machine, and fastening nut anchor member Mechanical Engineering; Lighting; Heating 2 Active
US8397691B2 Work apparatus with internal combustion engine Performing Operations; Transporting 2 Active

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