Robert D. Hirsch
13Patents
10h-index
13Co-inventors
65Inventor score
Filing activity: Sep 7, 1993 → Jul 27, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8007370B2 | Metal injection molded putter | Emerging Cross-Sectional Technologies | 1,186 | Active |
| USD353644S | Golf club head | General | 100 | Expired |
| US7914393B2 | Golf club head with sound tuning | Emerging Cross-Sectional Technologies | 76 | Active |
| US7022030B2 | Golf club head | Human Necessities | 73 | Expired |
| USD401637S | Golf club head | General | 70 | Expired |
| US5375840A | Golf club iron set having graded face angles and weight distribution | Human Necessities | 61 | Expired |
| US8540587B2 | Golf club head with sound tuning | Emerging Cross-Sectional Technologies | 33 | Active |
| USD618743S1 | Iron golf club head | General | 29 | Expired |
| USD404783S | Sole for golf club head | General | 28 | Expired |
| US5813919A | Dual sole golf club head | Human Necessities | 24 | Expired |
| USD469489S1 | Golf club head | General | 10 | Expired |
| US8241145B2 | Metal injection molded putter | Emerging Cross-Sectional Technologies | 1 | Active |
| USD469493S1 | Back portion of a golf club head | General | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.