Hiroaki Shimizu
171Patents
22h-index
163Co-inventors
93Inventor score
Filing activity: Jun 13, 1988 → Sep 6, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5179367A | Suspended display apparatus | Emerging Cross-Sectional Technologies | 101 | Expired |
| US5836159A | Mechanism of returning to neutral for axle driving apparatus | Mechanical Engineering; Lighting; Heating | 94 | Expired |
| US5794443A | Axle driving apparatus | Mechanical Engineering; Lighting; Heating | 73 | Expired |
| US5819537A | Axle driving apparatus | Emerging Cross-Sectional Technologies | 60 | Expired |
| US7495358B2 | Vibratory linear actuator and electric toothbrush using the same | Electricity | 60 | Active |
| US6126564A | Axle driving apparatus | Emerging Cross-Sectional Technologies | 55 | Expired |
| US6447419B1 | Axle driving apparatus | Emerging Cross-Sectional Technologies | 35 | Expired |
| US7474018B2 | Reciprocation type linear driving actuator and power toothbrush using the same | Electricity | 33 | Expired |
| US6554085B2 | Multi-wheel vehicle with transmission for driving-steering | Performing Operations; Transporting | 31 | Expired |
| US5809845A | Housing for an axle driving apparatus | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5782142A | Axle driving apparatus | Emerging Cross-Sectional Technologies | 31 | Expired |
| US6397966B1 | Vehicle improved in steering | Mechanical Engineering; Lighting; Heating | 31 | Expired |
| US6401869B1 | Axle driving apparatus | Emerging Cross-Sectional Technologies | 31 | Expired |
| US6216560A | Axle driving apparatus | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5799486A | Axle driving apparatus | Performing Operations; Transporting | 27 | Expired |
| US6336513B1 | Multi-axle vehicle with two hydrostatic transmissions for driving-steering | Performing Operations; Transporting | 26 | Expired |
| US6393299B1 | Radio communication equipment | Electricity | 25 | Expired |
| US6314730A | Axle driving apparatus | Emerging Cross-Sectional Technologies | 25 | Expired |
| US6991217B2 | Vibration type linear actuator | Performing Operations; Transporting | 24 | Expired |
| US6312354A | Integral hydrostatic transaxle apparatus for driving and steering | Performing Operations; Transporting | 23 | Expired |
| US4907401A | Drive assembly for walking mowers | Human Necessities | 22 | Expired |
| US5203169A | Axle drive apparatus | Performing Operations; Transporting | 22 | Expired |
| US6098386A | Riding lawn mower and transmission for the same | Human Necessities | 21 | Expired |
| US6109032A | Mechanism of returning to neutral for axle driving apparatus | Performing Operations; Transporting | 21 | Expired |
| US6559563B1 | Linear oscillating actuator | Performing Operations; Transporting | 20 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.