Kunitoshi Ishihara
10Patents
8h-index
13Co-inventors
65Inventor score
Filing activity: Oct 31, 1989 → Aug 21, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5899822A | Three-piece solid golf ball | Human Necessities | 113 | Expired |
| US5792008A | Golf ball | Human Necessities | 105 | Expired |
| US5993968A | Wound golf ball | Emerging Cross-Sectional Technologies | 90 | Expired |
| US6123628A | Solid golf balls and method of making | Performing Operations; Transporting | 78 | Expired |
| US5800286A | Golf ball | Human Necessities | 75 | Expired |
| US5876294A | Three-piece solid golf ball | Human Necessities | 39 | Expired |
| US6054550A | Wound golf ball | Human Necessities | 38 | Expired |
| US6582325B1 | Solid golf balls and method of making | Performing Operations; Transporting | 23 | Expired |
| US5274023A | Thermoplastic polyurethane resin | Chemistry; Metallurgy | 8 | Expired |
| US5109050A | Thermoplastic polyurethane resin | General | 4 | Revoked |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.