Takeo Oki
14Patents
7h-index
15Co-inventors
63Inventor score
Filing activity: Apr 8, 1980 → Sep 26, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7691189B2 | Printed wiring board and its manufacturing method | Emerging Cross-Sectional Technologies | 40 | Active |
| US7230188B1 | Printed wiring board and its manufacturing method | Emerging Cross-Sectional Technologies | 25 | Expired |
| US8065794B2 | Printed wiring board and its manufacturing method | Emerging Cross-Sectional Technologies | 20 | Active |
| US5230718A | Coated abrasive grains and a manufacturing method therefor | Chemistry; Metallurgy | 19 | Expired |
| US4560298A | Opening and closing device for retractable nib fountain pen | Performing Operations; Transporting | 13 | Expired |
| US5090969A | Coated abrasive grains and a manufacturing method therefor | Chemistry; Metallurgy | 12 | Expired |
| US6527881B2 | Method for producing a tin-nickel alloy film | Performing Operations; Transporting | 7 | Expired |
| US6602354B2 | Method for producing a tin-nickel alloy film | Chemistry; Metallurgy | 6 | Expired |
| US7827680B2 | Electroplating process of electroplating an elecrically conductive sustrate | Emerging Cross-Sectional Technologies | 5 | Active |
| US6875291B2 | Method for producing a tin-zinc alloy film | Chemistry; Metallurgy | 2 | Expired |
| US4980631A | Method for measuring the surface area of bodies | Physics | 1 | Expired |
| US6709719B2 | Method for producing a tin-zinc alloy film | Chemistry; Metallurgy | 0 | Expired |
| US4269528A | Fountain pen with specific tubular nib | Performing Operations; Transporting | 0 | Expired |
| US4409072A | Method of collecting lead from ashes containing lead compounds | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.