Inventor · Tokyo, JP

Jun Kitajima

19Patents
6h-index
17Co-inventors
59Inventor score

Filing activity: May 21, 2003 → Dec 16, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
USD638041S1 Cutting insert General 41 Expired
USD637214S1 Cutting insert General 39 Expired
US7993082B2 Roughing insert and roughing end mill Emerging Cross-Sectional Technologies 9 Active
US6913426B2 Throwaway insert Emerging Cross-Sectional Technologies 9 Expired
US8696257B2 Cutting insert and removable insert-type cutting tool Emerging Cross-Sectional Technologies 7 Active
US7101122B2 Ball nose end mill with throwaway insert Emerging Cross-Sectional Technologies 6 Expired
US8246278B2 Roughing insert and roughing end mill Emerging Cross-Sectional Technologies 5 Active
US9028177B2 Roughing end mill and insert for a roughing end mill Emerging Cross-Sectional Technologies 3 Active
US10799961B2 Cutting insert and indexable cutting tool Performing Operations; Transporting 3 Active
US8905685B2 Roughing insert and roughing end mill Emerging Cross-Sectional Technologies 3 Active
US12030128B2 Cutting insert and cutting edge replacement type cutting tool Performing Operations; Transporting 1 Active
US10239133B2 Rotating tool Performing Operations; Transporting 1 Active
US11045886B2 Cutting insert and indexable cutting tool Performing Operations; Transporting 1 Active
US11218035B2 Armature structure of three-phase motor Electricity 0 Active
US10493540B2 Cutting insert and indexable cutting tool Performing Operations; Transporting 0 Active
US11489392B2 Bobbin structure of armature Electricity 0 Active
US11735963B2 Polygonal frame structure with armature core with connected and open core sheets inside the frame Electricity 0 Active
US10848019B2 Motor Electricity 0 Active
US11239711B2 Armature molded structure Electricity 0 Active

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