Koji Iwamoto
53Patents
12h-index
76Co-inventors
87Inventor score
Filing activity: Jun 9, 1987 → Jun 12, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5666363A | Method for transmission, method for reception, method for communication and bidirectional bus system | Electricity | 33 | Expired |
| US5003399A | Camera with exchangeable lens device | Physics | 32 | Expired |
| US5504888A | File updating system employing the temporary connection and disconnection of buffer storage to extended storage | Physics | 28 | Expired |
| US5859950A | Information recording device and information output device | Electricity | 20 | Expired |
| US6584364B1 | Controlled device, controller, information control center, initialization-allowing communication system, and communication control system and medium | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5812342A | Reduced mass load beam with improved stiffness properties | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5550826A | Communication protocol for communicating image data | Electricity | 19 | Expired |
| US5005086A | Focus control apparatus having two focusing speeds | Electricity | 18 | Expired |
| US6154132A | Display system of a theft preventing apparatus having two kinds of theft prevention | Performing Operations; Transporting | 14 | Expired |
| US5754545A | Add-drop multiplexer with enhancement of accessibility to signals in different hierarchical levels and flexibility in various services and circuit setting operations | Electricity | 14 | Expired |
| US5953357A | Semiconductor laser | Electricity | 13 | Expired |
| US5194956A | Lens and aperture control apparatus | Electricity | 12 | Expired |
| US5790520A | Path protection switch ring system for line saving even though line setting operation was not carried out | Electricity | 11 | Expired |
| US5233622A | Structure of semiconductor laser package | Electricity | 11 | Expired |
| US7227447B2 | Switch device | Physics | 11 | Expired |
| US6133649A | Vehicle anti-theft system and method using switching device provided in the vehicle | Performing Operations; Transporting | 9 | Expired |
| US5875070A | Suspension flexure with primary and secondary stiffness control | Physics | 9 | Expired |
| US6900552B2 | System for controlling starting and stopping of engine | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5877921A | High shock suspension with load beam shielded flexure | Physics | 8 | Expired |
| US7187266B2 | Switch device | Physics | 8 | Expired |
| US7145264B2 | Electronic automobile anti-theft apparatus | Performing Operations; Transporting | 8 | Expired |
| US6487226B1 | Semiconductor light emitting device | Electricity | 5 | Expired |
| US6141685A | Digital information supply and management system | Electricity | 5 | Expired |
| US6018871A | Method for manufacturing a reduced mass load beam with improved stiffness properties | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7199710B2 | Controller for remote control system | Performing Operations; Transporting | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.