Hiroaki Sugiyama
63Patents
6h-index
74Co-inventors
75Inventor score
Filing activity: Apr 25, 1977 → Sep 13, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD365359S | Toner bottle | General | 16 | Expired |
| US4164307A | Cap with supply stopper for use with containers | Performing Operations; Transporting | 13 | Expired |
| US4394923A | Threaded cap with inner plug | Performing Operations; Transporting | 12 | Expired |
| US6736716B1 | Shell processing method and shell processing device used in the method | Human Necessities | 9 | Expired |
| US7438245B2 | Milling and classifying apparatus, collision mill, air classifier, toner, and method for producing toner | Physics | 7 | Expired |
| US8593443B2 | Display device | Physics | 7 | Active |
| US10769929B2 | Delivery system and delivery server | Physics | 6 | Active |
| US11214185B2 | Electric vehicle | Emerging Cross-Sectional Technologies | 6 | Active |
| US9069412B2 | Touch-sensor-equipped display device comrpising photodetecting elements | Physics | 6 | Active |
| US9626825B2 | Game machine | Physics | 5 | Active |
| US5887729A | Automatic sorting apparatus | Performing Operations; Transporting | 4 | Expired |
| US10872609B2 | Method, apparatus, and program of dialog presentation steps for agents | Physics | 3 | Active |
| US11151997B2 | Dialog system, dialog method, dialog apparatus and program | Physics | 3 | Active |
| US4520695A | Opening means for powder vessel | Performing Operations; Transporting | 3 | Expired |
| US8780101B2 | Photosensor operating in accordacne with specific voltages and display device including same | Electricity | 2 | Active |
| US11183187B2 | Dialog method, dialog system, dialog apparatus and program that gives impression that dialog system understands content of dialog | Physics | 2 | Active |
| US11195246B2 | Delivery system, server, and vehicle | Physics | 2 | Active |
| US6248287A | Corrective tempering apparatus for rolling elements | Emerging Cross-Sectional Technologies | 2 | Expired |
| US11075528B2 | Server for charge-discharge system, charge-discharge system, and server control method | Emerging Cross-Sectional Technologies | 2 | Active |
| US10953783B2 | Vehicle | Fixed Constructions | 2 | Active |
| US9384917B2 | Push button switch, push button unit, and amusement machine | Electricity | 1 | Active |
| US6093268A | Corrective tempering method for rolling elements | Emerging Cross-Sectional Technologies | 1 | Expired |
| US9488521B2 | Method for operating optical sensor circuit, and method for operating display apparatus provided with optical sensor circuit | Electricity | 1 | Active |
| US11734520B2 | Dialog apparatus, method and program for the same | Physics | 1 | Active |
| US10759302B2 | Electric vehicle | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.