Inventor · Tokyo, JP

Osamu Itagaki

55Patents
9h-index
21Co-inventors
78Inventor score

Filing activity: Oct 6, 1998 → Aug 23, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US8198839B2 Electric power tool Emerging Cross-Sectional Technologies 47 Active
US8378600B2 Electric power tool Emerging Cross-Sectional Technologies 44 Active
US6401766B1 Binding machine for reinforcing bars Fixed Constructions 31 Expired
US6000443A Brake mechanism of wire reel for reinforcing bar binding machine Fixed Constructions 13 Expired
US7398800B2 Reinforcing bar binding machine Fixed Constructions 12 Expired
US9192979B2 Brake system of wire reel in reinforcing bar binding machine Fixed Constructions 12 Active
US7143792B2 Reinforcing steel bar tying machine Performing Operations; Transporting 11 Expired
US7140400B2 Reinforcing bar-binding machine Fixed Constructions 10 Expired
US7275567B2 Reinforcing bar binding machine Fixed Constructions 9 Expired
US10590666B2 Binding machine Performing Operations; Transporting 8 Active
US9132472B2 Brake system of wire reel in reinforcing bar binding machine Fixed Constructions 7 Active
US7255135B2 Reinforcing steel bar typing machine Fixed Constructions 6 Expired
US7448417B2 Reinforcing bar binding machine Fixed Constructions 6 Expired
US9308572B2 Brake system of wire reel in reinforcing bar binding machine Fixed Constructions 5 Active
US9856041B2 Brake system of wire reel in reinforcing bar binding machine Fixed Constructions 5 Active
US7817053B2 Rechargeable electric tool Emerging Cross-Sectional Technologies 5 Active
US9221566B2 Brake system of wire reel in reinforcing bar binding machine Fixed Constructions 5 Active
US11123788B2 Binding machine Fixed Constructions 4 Active
US9399875B2 Brake system of wire reel in reinforcing bar binding machine Fixed Constructions 4 Active
US10323425B2 Binding machine Performing Operations; Transporting 3 Active
US10167095B2 Brake system of wire reel in reinforcing bar binding machine Fixed Constructions 2 Active
US8033303B2 Wire curl diameter adjusting mechanism for tying machine Fixed Constructions 2 Active
US6343764B1 Method of preventing loosening of wire wound around a reel for fastening reinforcing bars Emerging Cross-Sectional Technologies 1 Expired
US12054958B2 Binding machine Performing Operations; Transporting 1 Active
US10837184B2 Binding machine Performing Operations; Transporting 1 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.