Isao Shirasu
7Patents
6h-index
35Co-inventors
55Inventor score
Filing activity: Nov 13, 1985 → Sep 4, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4839495A | Laser beam welding apparatus for an inner circumferential surface of a tube | Performing Operations; Transporting | 35 | Expired |
| US5097110A | Reflecting mirror for a laser beam and laser beam welding apparatus, including the same laser beam reflecting mirror | Performing Operations; Transporting | 27 | Expired |
| US5218258A | Ultrasonic motor and laser beam welding apparatus using the same | Performing Operations; Transporting | 21 | Expired |
| US5177808A | Optical energy beam transmission path structure | Physics | 12 | Expired |
| US4777008A | Isolating device for a water chamber in a steam generator for a nuclear reactor | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4744251A | Apparatus for examining tubular members disposed in axially parallel relationship | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4883185A | Suspension type transporter for a bolt drawing machine and positioning controller therefor | Emerging Cross-Sectional Technologies | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.