Tadashi Koike
20Patents
7h-index
31Co-inventors
69Inventor score
Filing activity: Aug 19, 1986 → Aug 29, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5610774A | Audio sound recording/reproducing apparatus using semiconductor memory | Physics | 42 | Expired |
| US4719613A | Optical recording medium having a reflective recording layer including a resinous binder and a naphthalocyanine dye | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5132153A | Optical recording media | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5492744A | Optical information recording medium and composition for optical information recording film | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7664356B2 | Hollow waveguide and method of manufacturing the same | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5283094A | Optical recording medium | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5344682A | Optical recording medium | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6969764B2 | Optical recording medium and novel azaporphyrin compounds | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6673411B2 | Optical recording medium | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4859569A | Optical recording medium | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6627288B1 | Optical recording medium and porphycene compound | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5876820A | Optical information recording medium and composition for optical information recording film | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5391461A | Optical recording medium and recording method | Emerging Cross-Sectional Technologies | 4 | Expired |
| US8720040B2 | Method of manufacturing a hollow waveguide | Emerging Cross-Sectional Technologies | 4 | Active |
| US5369321A | Optical recording medium | Physics | 3 | Expired |
| US6576321B2 | Optical recording information medium | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5196231A | Optical recording media | Physics | 1 | Expired |
| US6479123B2 | Dipyrromethene-metal chelate compound and optical recording medium using thereof | Emerging Cross-Sectional Technologies | 1 | Expired |
| USRE38979E1 | Optical information recording medium and composition for optical information recording film | General | 1 | Expired |
| US7405030B2 | Imide compound and optical recording media made by using the same | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.