Mutsuo Takenaga
11Patents
8h-index
11Co-inventors
65Inventor score
Filing activity: Aug 26, 1974 → Jun 29, 1988
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3971874A | Optical information storage material and method of making it | Emerging Cross-Sectional Technologies | 64 | Expired |
| US4569038A | Optical disk, high density optical disk system, and high density recording/reproducing method using the optical disk | Physics | 34 | Expired |
| US4383029A | Recording medium and recording system | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4916048A | Optical recording medium and method of optical recording and erasing using medium | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4091171A | Optical information storage material and method of making it | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4624914A | Optical information recording medium of Te, O and Pd and method for making same | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4322839A | Method and apparatus for recording and reproducing information on and from an optical disk | Physics | 12 | Expired |
| US4935336A | Optical recording medium | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4659588A | Method of producing optical recording medium | Physics | 8 | Expired |
| US4248731A | Thermoluminescent material | Chemistry; Metallurgy | 5 | Expired |
| US4290909A | Process for producing a lithium borate thermoluminescent and fluorescent substance | Chemistry; Metallurgy | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.