Tetsuya Hayashi
252Patents
21h-index
225Co-inventors
93Inventor score
Filing activity: Nov 23, 1988 → Apr 17, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7385631B2 | Camera device and method and program for starting the camera device | Electricity | 150 | Expired |
| US5149091A | Golf club head | Emerging Cross-Sectional Technologies | 54 | Expired |
| US7396612B2 | Lithium ion secondary battery | Emerging Cross-Sectional Technologies | 54 | Expired |
| US7422825B2 | Nonaqueous electrolyte secondary battery | Emerging Cross-Sectional Technologies | 48 | Expired |
| US7758998B2 | Lithium ion secondary battery | Emerging Cross-Sectional Technologies | 46 | Active |
| US5510572A | Apparatus for analyzing and harmonizing melody using results of melody analysis | Physics | 45 | Expired |
| US7115339B2 | Lithium ion secondary battery | Emerging Cross-Sectional Technologies | 44 | Expired |
| US7575606B2 | Method for producing lithium ion secondary battery | Emerging Cross-Sectional Technologies | 41 | Expired |
| US7638230B2 | Lithium ion secondary battery | Emerging Cross-Sectional Technologies | 40 | Active |
| US7754377B2 | Lithium ion secondary battery | Emerging Cross-Sectional Technologies | 40 | Active |
| US7745042B2 | Lithium ion secondary battery | Emerging Cross-Sectional Technologies | 40 | Active |
| US7816038B2 | Lithium ion secondary battery and method for producing the same | Emerging Cross-Sectional Technologies | 39 | Active |
| US5650959A | Memory device having virtual ground line | Physics | 32 | Expired |
| US7540079B2 | Laminated member for circuit board, method and apparatus for manufacturing of circuit board | Emerging Cross-Sectional Technologies | 28 | Expired |
| US7605017B2 | Method of manufacturing a semiconductor device and products made thereby | Electricity | 27 | Active |
| US5963472A | Information storage apparatus and method for operating the same | Physics | 27 | Expired |
| US8406595B2 | Multi-core fiber | Physics | 26 | Active |
| US5994754A | Semiconductor device | Electricity | 24 | Expired |
| US7108941B2 | Flat battery and production method therefor | Emerging Cross-Sectional Technologies | 24 | Expired |
| US7781786B2 | Semiconductor device having a heterojunction diode and manufacturing method thereof | Electricity | 24 | Active |
| US5611037A | Method and apparatus for generating image | Physics | 22 | Expired |
| US7183575B2 | High reverse voltage silicon carbide diode and method of manufacturing the same high reverse voltage silicon carbide diode | Electricity | 21 | Expired |
| US6068872A | Vacuum-heat processing method | Human Necessities | 20 | Expired |
| US7378325B2 | Semiconductor device and manufacturing method thereof | Electricity | 20 | Expired |
| US7042086B2 | Stacked semiconductor module and assembling method of the same | Electricity | 17 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.