Hideo Matsunaga
86Patents
25h-index
42Co-inventors
88Inventor score
Filing activity: Sep 3, 1986 → Jul 29, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6783465B2 | Golf club head | Human Necessities | 206 | Expired |
| US7156750B2 | Golf club head | Human Necessities | 154 | Expired |
| US7749101B2 | Wood-type golf club head | Human Necessities | 125 | Active |
| US7927231B2 | Golf club head | Human Necessities | 124 | Active |
| US7455597B2 | Golf club head | Human Necessities | 64 | Active |
| US6949031B2 | Golf club head | Human Necessities | 63 | Expired |
| US6783466B2 | Golf club head | Human Necessities | 62 | Expired |
| US7591735B2 | Golf club head | Human Necessities | 60 | Active |
| US7935003B2 | Golf club head | Human Necessities | 60 | Active |
| US7597633B2 | Golf club head | Human Necessities | 57 | Active |
| US7435191B2 | Golf club head | Human Necessities | 48 | Active |
| US7431668B2 | Golf club head | Human Necessities | 43 | Active |
| US6478693B2 | Golf club head | Human Necessities | 36 | Expired |
| US8192299B2 | Golf club and method for adjusting properties thereof | Emerging Cross-Sectional Technologies | 35 | Active |
| US7503853B2 | Hollow golf club head | Human Necessities | 34 | Active |
| US7377861B2 | Golf club head | Human Necessities | 34 | Active |
| US8469834B2 | Golf club head | Human Necessities | 33 | Active |
| US7588504B2 | Hollow golf club head | Human Necessities | 32 | Active |
| US8585511B2 | Golf club head and golf club | Human Necessities | 30 | Active |
| US7637823B2 | Golf club head | Human Necessities | 28 | Active |
| US7513836B2 | Hollow golf club head | Human Necessities | 28 | Active |
| US7798915B2 | Hollow golf club head | Human Necessities | 27 | Active |
| US7686706B2 | Golf club head | Human Necessities | 27 | Active |
| US8109842B2 | Hollow golf club head | Human Necessities | 27 | Expired |
| US8376879B2 | Golf club head | Human Necessities | 25 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.