Yuji Yamazaki
28Patents
6h-index
57Co-inventors
72Inventor score
Filing activity: Feb 25, 1988 → May 25, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5438330A | Absolute encoder | Electricity | 29 | Expired |
| US5807511A | Composition for forming a near infrared screening filter, and near infrared screening filter | Physics | 17 | Expired |
| US6455174B1 | Magnetic recording medium, recording and reproducing head, and magnetic recording and reproducing method | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5741599A | Polyimide compositions for electrodeposition and coatings formed of the same | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4861113A | Cast wheel | Performing Operations; Transporting | 9 | Expired |
| US6528181B1 | Surface-treated steel sheet having lowered contact resistance and connecting terminal members made by using the same | Emerging Cross-Sectional Technologies | 6 | Expired |
| US8668771B2 | Cellulose resin composition and cellulose resin film | Chemistry; Metallurgy | 6 | Active |
| US8597421B2 | Cellulose resin composition and cellulose resin film | Chemistry; Metallurgy | 6 | Active |
| US7110327B2 | Magneto-optical recording and reproducing method, using reproducing layer with high saturation magnetization | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6030429A | Hard sintered alloy | Chemistry; Metallurgy | 3 | Expired |
| US7993563B2 | Production method of wood cement board | Emerging Cross-Sectional Technologies | 2 | Active |
| US6674693B1 | Recording method, reproducing method and recording and reproducing apparatus for magneto-optical recording medium | Physics | 1 | Expired |
| US8326264B2 | Mobile communication network system and locking method of a mobile terminal apparatus | Electricity | 1 | Active |
| US11583888B2 | Coating frame and methods of using the same | Performing Operations; Transporting | 1 | Active |
| US7190647B2 | Information recording method and medium having optimum erasing power | Physics | 1 | Expired |
| US8716474B2 | Method for producing 2,4,6-tris(hydroxyphenyl)-1,3,5-triazine compound | Chemistry; Metallurgy | 1 | Active |
| US9687144B2 | Fundus photographing apparatus with wavefront compensation and method for photographing fundus image | Human Necessities | 0 | Active |
| US10273565B2 | Highly corrosion-resistant and wear-resistant member with thermal-sprayed layer formed thereon and thermal-sprayed layer forming powder for forming the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US12017316B2 | Cutting processing apparatus | Performing Operations; Transporting | 0 | Active |
| US11105407B2 | Gear | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9334392B2 | Cellulose resin composition | Chemistry; Metallurgy | 0 | Active |
| US7236447B2 | Optical disk, method of playing optical disk, and optical disk drive | Physics | 0 | Expired |
| US11618556B2 | Lubrication pressue control of a power transmission device for helicopter | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11365800B2 | Lubrication device for helicopter | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11965591B2 | Lubrication device for helicopter | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.