Inventor · Hiratsuka, JP

Hakaru Mizoguchi

49Patents
12h-index
53Co-inventors
84Inventor score

Filing activity: Feb 16, 1984 → Aug 5, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US5450436A Laser gas replenishing apparatus and method in excimer laser system Electricity 89 Expired
US5535233A Laser device Electricity 72 Expired
US5557629A Laser device having an electrode with auxiliary conductor members Electricity 71 Expired
US5642374A Excimer laser device Electricity 71 Expired
US5754579A Laser gas controller and charging/discharging device for discharge-excited laser Electricity 45 Expired
US6130904A Gas supplementation method of excimer laser apparatus Electricity 29 Expired
US5373523A Excimer laser apparatus Electricity 28 Expired
US6008497A Laser appartus Electricity 22 Expired
US6101211A Narrow-band laser apparatus Electricity 21 Expired
US6810061B2 Discharge electrode and discharge electrode manufacturing method Electricity 16 Expired
US7067832B2 Extreme ultraviolet light source Electricity 16 Expired
US8395133B2 Apparatus and method of adjusting a laser light source for an EUV source device Electricity 15 Active
US9072153B2 Extreme ultraviolet light generation system utilizing a pre-pulse to create a diffused dome shaped target Electricity 12 Active
US6839373B1 Ultra-narrow band flourine laser apparatus Electricity 12 Expired
US5291509A Gas laser apparatus Mechanical Engineering; Lighting; Heating 11 Expired
US4571730A Cross flow type laser devices Electricity 10 Expired
US6337872B1 Once through fan for excimer laser apparatus Electricity 10 Expired
US9265136B2 System and method for generating extreme ultraviolet light Electricity 9 Active
US4745614A Silent discharge type laser device Electricity 8 Expired
US8507883B2 Extreme ultraviolet light source apparatus Electricity 7 Active
US7078717B2 Light source device and exposure equipment using the same Electricity 6 Expired
US8212228B2 Extreme ultra violet light source apparatus Physics 5 Active
US8891161B2 Optical device, laser apparatus, and extreme ultraviolet light generation system Electricity 4 Active
US9402297B2 Extreme ultraviolet light generation system Electricity 3 Active
US6639929B2 Pulse oscillating gas laser device Electricity 3 Expired

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