Hiroshi Arai
121Patents
16h-index
158Co-inventors
89Inventor score
Filing activity: Oct 16, 1973 → May 12, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4389639A | Voice warning device using entertainment speaker | Performing Operations; Transporting | 66 | Expired |
| US3937105A | Automatic transmission system for use with automobiles | Emerging Cross-Sectional Technologies | 50 | Expired |
| US5003498A | Graphic display method | Physics | 47 | Expired |
| US4400779A | Method and apparatus for indicating mileage corresponding to remaining fuel for vehicles | Physics | 39 | Expired |
| US7478963B2 | Binding device | Performing Operations; Transporting | 32 | Expired |
| US4413424A | Azimuth determinating apparatus | Physics | 29 | Expired |
| US5378505A | Method of and apparatus for electrostatically spray-coating work with paint | Performing Operations; Transporting | 29 | Expired |
| US3986093A | Passive seatbelt system | Performing Operations; Transporting | 26 | Expired |
| US3939470A | Liquid level detecting and indicating system for vehicle | Physics | 24 | Expired |
| US5367961A | Pallet support leg including semi-circular flange blades | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5327782A | Automatic brake shoe measuring apparatus for rolling stock | Physics | 21 | Expired |
| US4046998A | Possible vehicle running distance indication | Physics | 21 | Expired |
| US7149599B2 | Apparatus and method for creating tool path | Physics | 20 | Expired |
| US6587747B2 | Numerically controlled curved surface machining unit | Physics | 20 | Expired |
| US5862111A | Optical disk device which performs auto gain control process on servo signals which perform illuminating control of a light beam on the disk's recording surface | Physics | 19 | Expired |
| US5485560A | Displaying method and system for displaying an object by designating a state of display of the object | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6675061B2 | Numerically controlled curved surface machining unit | Physics | 16 | Expired |
| US5566281A | Method and apparatus for generating a surface by simulating a physical membrane | Physics | 16 | Expired |
| US4016534A | Indicator device for automobiles | Physics | 16 | Expired |
| US4653799A | Apparatus for housing electrical wiring extending between a vehicle door and a vehicle body | Fixed Constructions | 16 | Expired |
| US4033634A | Antiskid control device for vehicles | Performing Operations; Transporting | 15 | Expired |
| US5079822A | Method of assembling automotive body and body panels, apparatus for removing and installing body panels, and feed jig for feeding body panels | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4846904A | Martensitic stainless steel having excellent hardness by subzero treatment | Chemistry; Metallurgy | 14 | Expired |
| US6101156A | Focus control device to perform focus control for a multi-layer recording medium | Physics | 14 | Expired |
| US3944969A | Central warning apparatus for vehicles | Physics | 14 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.