Michael J. Tzivanis
114Patents
15h-index
69Co-inventors
89Inventor score
Filing activity: Feb 4, 1998 → May 18, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6290614A | Golf ball which includes fast-chemical-reaction-produced component and method of making same | Emerging Cross-Sectional Technologies | 69 | Expired |
| US6548618B2 | Golf ball having dual core and thin polyurethane cover formed by RIM | Chemistry; Metallurgy | 65 | Expired |
| US7118496B2 | Golf ball | Chemistry; Metallurgy | 38 | Expired |
| US6824476B2 | Multi-layer golf ball | Chemistry; Metallurgy | 36 | Expired |
| US6186906A | Gel matrix golf ball | Emerging Cross-Sectional Technologies | 32 | Expired |
| US7217200B2 | Golf ball | Chemistry; Metallurgy | 30 | Active |
| US6520870B2 | Golf ball | Human Necessities | 30 | Expired |
| US6790149B2 | Golf ball | Performing Operations; Transporting | 30 | Expired |
| US6855076B2 | Golf ball | Chemistry; Metallurgy | 28 | Expired |
| US6872154B2 | Golf ball | Performing Operations; Transporting | 25 | Expired |
| US7241232B2 | Golf ball having dual core and thin polyurethane cover formed by rim | Chemistry; Metallurgy | 22 | Expired |
| US6793864B1 | Polyurethane material for two and three piece golf balls | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6776731B2 | Apparatus and process for forming a golf ball with deep dimples | Performing Operations; Transporting | 19 | Expired |
| US6612941B2 | Golf ball | Chemistry; Metallurgy | 17 | Expired |
| US6793593B2 | Golf ball with dual cover | Chemistry; Metallurgy | 16 | Expired |
| US6716954B2 | Golf ball formed from a polyisocyanate copolymer and method of making same | Chemistry; Metallurgy | 15 | Expired |
| US6958020B1 | Aerodynamic surface geometry for a golf ball | Human Necessities | 15 | Expired |
| US6585607B2 | Adhesion process | Performing Operations; Transporting | 15 | Expired |
| US7244196B2 | Golf ball which includes fast-chemical-reaction-produced component and method of making same | Chemistry; Metallurgy | 14 | Expired |
| US6663508B1 | Multi-layer golf ball with reaction injection molded polyurethane component | Chemistry; Metallurgy | 13 | Expired |
| US6440012B1 | Golf ball | Chemistry; Metallurgy | 13 | Expired |
| US6648777B2 | Multi-layer golf ball | Chemistry; Metallurgy | 13 | Expired |
| US6699027B2 | Molding processes and apparatuses for forming golf balls | Human Necessities | 13 | Expired |
| US6616551B2 | Golf ball | Chemistry; Metallurgy | 13 | Expired |
| US6935970B2 | Golf ball | Chemistry; Metallurgy | 12 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.