Haruo Sakaguchi
16Patents
8h-index
18Co-inventors
65Inventor score
Filing activity: Aug 2, 1979 → Jun 1, 1994
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4523802A | Unitary mounting structure for semiconductor laser and optical fiber | Physics | 50 | Expired |
| US4490020A | Coupling system for output light of semiconductor laser | Physics | 29 | Expired |
| US4341438A | Light source arrangement in an optical communication system | Electricity | 28 | Expired |
| US4747094A | Signal coupling system for optical repeater system | Electricity | 16 | Expired |
| US4369523A | Remote control system of an optical repeater | Electricity | 13 | Expired |
| US4257033A | Fault locating system in optical fiber transmission system | Electricity | 11 | Expired |
| US4674556A | Method and device for controlling thin metallic strip continuous casting apparatus | Performing Operations; Transporting | 11 | Expired |
| US4694886A | Horizontal continuous casting apparatus | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4987949A | Protective cover for surface of molten steel used in continuous casting apparatus | Performing Operations; Transporting | 7 | Expired |
| US4764980A | System for measuring delay time variation in optical fiber digital communication system | Electricity | 7 | Expired |
| US4408831A | Optical switch | Physics | 5 | Expired |
| US5027888A | Method and apparatus for sealing molten metal for a twin-roll type continous casting apparatus | Performing Operations; Transporting | 4 | Expired |
| US4703791A | Apparatus and method for continuously producing thin metallic strip | Performing Operations; Transporting | 3 | Expired |
| US5385199A | Molten metal surface protective cover for a continuous casting apparatus having moving mold walls | Performing Operations; Transporting | 3 | Expired |
| US4281416A | Light source system in an optical transmission repeater | Electricity | 2 | Expired |
| US4694885A | Apparatus for continuous casting of thin metallic plate | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.