Tomoyuki Ishida
18Patents
8h-index
49Co-inventors
72Inventor score
Filing activity: Nov 14, 1977 → May 12, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6449608B1 | Video searching method and apparatus, video information producing method, and storage medium for storing processing program thereof | Emerging Cross-Sectional Technologies | 94 | Expired |
| US6584463B2 | Video searching method, apparatus, and program product, producing a group image file from images extracted at predetermined intervals | Emerging Cross-Sectional Technologies | 37 | Expired |
| US5541899A | Optical pickup device with movable objective lens and stationary focusing and tracking coils | Physics | 24 | Expired |
| US4709139A | Coma correction in optical head with astigmatism for focusing error detection | Physics | 15 | Expired |
| US5144607A | Objective lens driving device | Physics | 14 | Expired |
| US6068228A | Shovel keeping mechanism in ice making machine with ice storage bin | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US4171901A | Device for controlling advance and return movements of original table of electrostatic copying apparatus | Physics | 12 | Expired |
| US5010481A | Main memory control system for virtual machine | Physics | 12 | Expired |
| US8993095B2 | Composite material and coated cutting tool | Emerging Cross-Sectional Technologies | 2 | Active |
| US9062619B2 | Engine control device for tractor | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10753407B2 | Work vehicle | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9366303B2 | Tractor | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US12104229B1 | Cemented carbide and tool containing the same | Chemistry; Metallurgy | 1 | Active |
| US8920079B2 | Joined product | Emerging Cross-Sectional Technologies | 0 | Active |
| US10024372B2 | Work vehicle | Performing Operations; Transporting | 0 | Active |
| US9308707B2 | Joined product | Performing Operations; Transporting | 0 | Active |
| US11312632B2 | Tungsten carbide powder | Chemistry; Metallurgy | 0 | Active |
| US10858252B2 | Complex carbonitride powder and method for producing same | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.