Shigeru Yamazaki
75Patents
18h-index
131Co-inventors
87Inventor score
Filing activity: Feb 20, 1976 → May 26, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4539615A | Azimuthal magnetic recording and reproducing apparatus | Physics | 93 | Expired |
| US5624687A | Quick-dissolution solid preparation | Human Necessities | 51 | Expired |
| US5719943A | Digital information signal transmitting/receiving method and system | Electricity | 43 | Expired |
| US4657372A | Printer | Emerging Cross-Sectional Technologies | 39 | Expired |
| US4050165A | Teacher-students' intercommunication system | Physics | 33 | Expired |
| US5089824A | Antenna apparatus and attitude control method | Electricity | 31 | Expired |
| US5095371A | Duplex image forming system with number of single side printed sheets in feed path selected before printing second side | Physics | 27 | Expired |
| US4924320A | Image system with connection to operational units | Physics | 26 | Expired |
| US5623181A | Multi-layer type light emitting device | Electricity | 25 | Expired |
| US4628373A | Rotating head type magnetic record/reproduce apparatus | Physics | 23 | Expired |
| US4758902A | PCM signal recording and reproducing apparatus including simultaneous error detection/correction | Physics | 23 | Expired |
| US5194879A | Image forming apparatus capable of changing dotting density | Physics | 23 | Expired |
| US5610724A | Image forming system | Physics | 21 | Expired |
| US5578322A | Quick release coated preparation | Human Necessities | 19 | Expired |
| US4449151A | Solid-state scanning apparatus | Electricity | 19 | Expired |
| US4814792A | Lateral registration adjusting device for use in a laser beam printer | Physics | 18 | Expired |
| USRE37157E | Printer with face-down delivery of collated printed sheets at the top, and a manually removable PC/developer cartridge | General | 18 | Expired |
| US5878188A | Apparatus for recording and reproducing temporally compressed digital information signal | Electricity | 18 | Expired |
| US4253099A | Automobile antenna | Electricity | 18 | Expired |
| US4887133A | Printer | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5096878A | Method for production of bi-containing superconducting ceramics laminates | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4479144A | Video projecting apparatus | Electricity | 16 | Expired |
| US7255876B2 | Composition comprises sustained-release fine particles and manufacturing method thereof | Human Necessities | 13 | Expired |
| US5508421A | Pyrrolotriazole azomethine dye, and heat transfer dye providing material containing a pyrrolotriazole azomethine dye | Physics | 13 | Expired |
| US7100578B2 | Method for driving fuel injection pump | Mechanical Engineering; Lighting; Heating | 13 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.