Takashi Matsubara
162Patents
10h-index
135Co-inventors
83Inventor score
Filing activity: Feb 14, 1974 → Aug 22, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6032857A | Electronic money system | Physics | 71 | Expired |
| US4014495A | Automatic welding apparatus | Physics | 43 | Expired |
| US4169006A | Method for bonding steel plates and composition for use therein | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5444477A | Video telephone system | Electricity | 25 | Expired |
| US3936342A | Steel plate bonding process and primer composition | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4035436A | Adhesive compositions for metals | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4899145A | Encoder and method of adjusting magnetic fields of the same | Electricity | 16 | Expired |
| US5323205A | Divided blade and slit-forming blade for focal plane shutter | Physics | 13 | Expired |
| US3932144A | Coated metallic sheet for use in making a container | Emerging Cross-Sectional Technologies | 13 | Expired |
| US8214459B2 | Portable terminal, information processing apparatus, content display system and content display method | Electricity | 10 | Active |
| US6325185A | Brake disc rotor | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US3993841A | Steel plate coated with thermosetting phenol resin and bisphenol A type epoxy resin | Emerging Cross-Sectional Technologies | 10 | Expired |
| USD423471S | IC card reader and writer | General | 10 | Expired |
| US5797055A | Focal plane shutter and method for producing same | Physics | 9 | Expired |
| US8549109B2 | Portable terminal, information processing apparatus, content display system and content display method | Electricity | 8 | Active |
| US5475459A | Blade type focal plane shutter with improved arm construction | Physics | 7 | Expired |
| US9673304B1 | Methods and apparatus for vertical bit line structures in three-dimensional nonvolatile memory | Electricity | 7 | Active |
| US9164578B2 | Input device for operating graphical user interface | Physics | 7 | Active |
| US5202715A | Plate member for use as material of light shielding blades | Physics | 7 | Expired |
| US8892688B2 | Portable terminal, information processing apparatus, content display system and content display method | Electricity | 7 | Active |
| US5025278A | Plate for light shielding blade | Emerging Cross-Sectional Technologies | 6 | Expired |
| USD423037S | Electronic value processing device | General | 6 | Expired |
| US5283098A | Member for light shielding blades | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5543880A | Friction member for brake mechanism in camera shutter | Physics | 5 | Expired |
| US7910733B2 | Image-forming material | Physics | 5 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.