Takeo Watanabe
31Patents
11h-index
51Co-inventors
78Inventor score
Filing activity: Jun 6, 1977 → Sep 4, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7942546B2 | Light guide member having light mixing protrusion, flat light source device, and display device | Physics | 46 | Active |
| US4275425A | System for automatically transferring information media | Physics | 34 | Expired |
| US6845635B2 | METHOD OF MANUFACTURING GLASS SUBSTRATE FOR INFORMATION RECORDING MEDIA, GLASS SUBSTRATE FOR INFORMATION RECORDING MEDIA MANUFACTURED USING THE METHOD, AND INFORMATION RECORDING MEDIUM USING THE GLASS SUBSTRATE | Physics | 26 | Expired |
| US5326672A | Resist patterns and method of forming resist patterns | Physics | 25 | Expired |
| US5374502A | Resist patterns and method of forming resist patterns | Physics | 21 | Expired |
| US6110987A | Photocurable composition and curing process therefor | Chemistry; Metallurgy | 18 | Expired |
| US4172411A | Hydraulic hammer | Fixed Constructions | 17 | Expired |
| US6553788B1 | Glass substrate for magnetic disk and method for manufacturing | Emerging Cross-Sectional Technologies | 15 | Expired |
| US7040953B2 | Substrate for information recording media and manufacturing method thereof, and information recording medium | Physics | 14 | Expired |
| US4342255A | Oscillator actuated hydraulic impulse device | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US6486225B1 | Photocurable composition | Chemistry; Metallurgy | 11 | Expired |
| US6207726A | Photocurable prepreg composition and production method thereof | Chemistry; Metallurgy | 11 | Expired |
| US7065984B2 | Substrate for information recording media and manufacturing method thereof, information recording medium, and starting material glass plate | Physics | 9 | Expired |
| US6316089A | Photocurable prepreg sheet for waterproofing, method and apparatus for production of prepreg sheet, and waterproofing method using the sheet | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6783840B2 | Resist ink composition | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6808784B2 | Glass substrate for magnetic recording media and manufacturing method thereof | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8021033B2 | Light guide member, planar light source device provided with the light guide member, and display apparatus using the planar light source device | Electricity | 4 | Active |
| US6899943B2 | Glass substrate for magnetic disk and method for manufacturing | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6741367B1 | Image forming apparatus having data compression/decompression system | Physics | 2 | Expired |
| US10333208B2 | Antenna device | Electricity | 2 | Active |
| US7901124B2 | Light guide member, planar light source device using the light guide member, and display apparatus | Physics | 2 | Active |
| US6165686A | Photocurable composition and color reversion preventing method | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7604882B2 | Substrate for information recording media and manufacturing method thereof, information recording medium, and starting material glass plate | Physics | 2 | Active |
| US7858287B2 | Photosensitive resin, and photosensitive composition | Emerging Cross-Sectional Technologies | 2 | Active |
| US7736770B2 | Substrate for information recording media and manufacturing method thereof, information recording medium, and starting material glass plate | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.