Inventor · Yokohama, JP

Kohei Kobayashi

72Patents
14h-index
100Co-inventors
87Inventor score

Filing activity: Dec 21, 1989 → Oct 25, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
USD910892S1 Front combination lamp for an automobile General 30 Active
USD939405S1 Front bumper for an automobile General 29 Active
USD962834S1 Front grille for an automobile General 25 Active
USD909933S1 Front bumper for an automobile General 21 Active
US6028976A Split type ribbon optical fiber core cable Physics 20 Expired
USD909932S1 Front bumper for an automobile General 20 Active
USD987481S1 Motor vehicle and/or toy replica thereof General 19 Active
USD940361S1 Front combination lamp for an automobile General 18 Active
US5320659A Method of forming a carbon coated optical fiber with co-current reactant flow Emerging Cross-Sectional Technologies 17 Expired
US5637130A Method and furnace for drawing optical fibers Chemistry; Metallurgy 17 Expired
US6650821B1 Optical device and a making method thereof Emerging Cross-Sectional Technologies 16 Expired
US5127361A Resin coating device for optical fiber Chemistry; Metallurgy 14 Expired
USD913865S1 Front grill for an automobile General 14 Active
US5268984A Coated optical fiber and method of producing the same Performing Operations; Transporting 14 Expired
USD985442S1 Front bumper for an automobile General 13 Active
USD913864S1 Front grill for an automobile General 13 Active
USD984317S1 Passenger car General 13 Active
USD984316S1 Passenger car General 13 Active
USD953944S1 Front bumper for an automobile General 12 Active
USD985444S1 Front bumper for an automobile General 12 Active
US6337942B1 Optical fiber Physics 12 Expired
US6345916B1 Fiber optic connector and its manufacturing method Physics 11 Expired
US5417399A Apparatus for supporting article in heating furnace Emerging Cross-Sectional Technologies 10 Expired
USD985443S1 Front bumper for an automobile General 10 Active
US6309567A Collectively coating die device for manufacturing separable optical fiber ribbon and manufacturing method thereof Physics 10 Expired

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