Hiroaki Yoshizawa
28Patents
3h-index
17Co-inventors
60Inventor score
Filing activity: Nov 7, 1997 → Nov 22, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5899503A | Gem certificate, gem grading report, guarantee, and method of guaranteeing jewelry | Performing Operations; Transporting | 8 | Expired |
| US7840621B2 | Electronic apparatus and its control program | Physics | 7 | Active |
| US8884842B2 | Presentation system and display terminal used in the presentation system | Physics | 5 | Active |
| US8196057B2 | Calculator emulation apparatus | Physics | 3 | Active |
| US8619045B2 | Calculator and computer-readable medium | Physics | 3 | Active |
| US8963324B2 | Semiconductor device | Electricity | 3 | Active |
| US8659567B2 | Electronic device having handwritten mathematical formula recognition function | Physics | 2 | Active |
| US10192329B2 | Electronic device which displays and outputs function formula data, data output method, and computer readable medium | Physics | 1 | Active |
| US10042811B2 | Expression processing device, compute server and recording medium having expression processing program recorded thereon | Physics | 1 | Active |
| US10883513B2 | Impeller, rotary machine, and turbocharger | Emerging Cross-Sectional Technologies | 1 | Active |
| US10210132B2 | Calculator, recording medium and compute server | Physics | 1 | Active |
| US9372822B2 | Mathematical expression display control apparatus, mathematical expression display control method, and computer readable medium recording mathematical expression display control program | Physics | 0 | Active |
| US10146420B2 | Electronic device, graph display method and storage medium for presenting and manipulating two dimensional graph objects using touch gestures | Physics | 0 | Active |
| US10372666B2 | Calculator, recording medium and compute server | Physics | 0 | Active |
| US8817027B2 | Graph display apparatus, recording medium on which program is recorded and graph display method | Physics | 0 | Active |
| US9799129B2 | Electronic device which displays and outputs function formula data, data output method, and computer readable medium | General | 0 | Revoked |
| US9880969B2 | Computing device and storage medium containing program therefor | Physics | 0 | Active |
| US9146667B2 | Electronic device, display system, and method of displaying a display screen of the electronic device | Physics | 0 | Active |
| US10289602B2 | Calculation apparatus, displaying method in calculation apparatus, and recording medium | Physics | 0 | Active |
| US10599608B2 | Calculator, method of registering operand in calculator, and computer-readable non-transitory storage medium | Physics | 0 | Active |
| US10684982B2 | Calculating device, calculating method, and computer readable recording medium | Physics | 0 | Active |
| US9977458B2 | Calculation data printing apparatus, calculation data printing method and computer-readable storage medium | Physics | 0 | Active |
| US10410197B2 | Tax calculation apparatus, tax calculation method, and storage medium storing program | Physics | 0 | Active |
| US9443493B2 | Graph display control apparatus, graph display control method and non-transitory storage medium having stored thereon graph display control program | Physics | 0 | Active |
| US8842132B2 | Graphic display apparatus, graphic display method and recording medium in which graphic display program is recorded | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.