Masaaki Sunohara
18Patents
10h-index
37Co-inventors
68Inventor score
Filing activity: Dec 22, 1981 → Mar 21, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6426091B1 | Sustained-release theophylline tablet | Human Necessities | 29 | Expired |
| US5171348A | Die for press-molding optical element | Chemistry; Metallurgy | 20 | Expired |
| US5015280A | Mold for molding optical elements | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5032160A | Method of press molding lens material | Performing Operations; Transporting | 19 | Expired |
| US4583102A | Optical disc and method of manufacturing | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5120343A | Apparatus for producing optical glass element | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5188652A | Machine for molding optical element | Chemistry; Metallurgy | 13 | Expired |
| US4849151A | Method of molding plastic and injection compression molding apparatus using elongatable tie bars | Performing Operations; Transporting | 12 | Expired |
| US5087279A | Method of producing optical glass element and production apparatus using this method | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5718850A | Method and device for manufacturing optical elements | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4927247A | Objective lens for optical disk system and optical head using the same | Physics | 9 | Expired |
| US5322541A | Method of producing glass blank | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5160361A | Method of manufacturing optical element | Chemistry; Metallurgy | 9 | Expired |
| US4427353A | Upright injection-compression pressing machine for the manufacture of information carrier discs | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4701770A | Substrate for an optical disc | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5201927A | Method of producing the optical element | Chemistry; Metallurgy | 4 | Expired |
| US5965069A | Method for making optical preforms and optical elements by press | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6007746A | Method for manufacturing preforms used in molding optical elements and method for manufacturing and molding optical elements | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.