Tadashi Shimizu
46Patents
9h-index
81Co-inventors
78Inventor score
Filing activity: Feb 16, 1983 → Jul 12, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6603867B1 | Three-dimensional object identifying system | Physics | 178 | Expired |
| US6657614B1 | Detecting apparatus, input apparatus, pointing device, individual identification apparatus, and recording medium | Electricity | 162 | Expired |
| US6272466A | Speech detection apparatus using specularly reflected light | Physics | 54 | Expired |
| US4710908A | Servo apparatus for compensating for warp and deflection deviations on optical discs | Physics | 32 | Expired |
| US7967984B2 | Apparatus for water treatment and method of treating water | Emerging Cross-Sectional Technologies | 25 | Active |
| US6948657B2 | Document verification system | Physics | 23 | Expired |
| US6071454A | Method for producing a composite molded article of thermoplastic resins | Performing Operations; Transporting | 17 | Expired |
| US4994226A | Method of producing synthetic resin made articles having porous elastic member | Performing Operations; Transporting | 11 | Expired |
| US7394250B2 | Mine detector with NQR-SQUID | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US4470341A | Air intake device for a compartment of automotive vehicle | Performing Operations; Transporting | 7 | Expired |
| US4884586A | Rib coupling for hat-like umbrellas | Human Necessities | 6 | Expired |
| US7627161B2 | Authenticity determination method, apparatus and program | Physics | 6 | Active |
| US7630559B2 | Confirmation system for authenticity of article and confirmation method | Physics | 6 | Active |
| US7624928B2 | Method and apparatus for making tags, tag, and system for managing articles | Physics | 5 | Active |
| US6001457A | Casing and method for manufacturing the like | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5489967A | Method and apparatus for printing images on a stack of recording sheets using pressure | Physics | 4 | Expired |
| US9279869B2 | NMR probe | Physics | 3 | Active |
| US4677021A | Air-stream control valve for automotive air conditioning apparatus and producing method therefor | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6962623B2 | Hardened calcium silicate having high strength | Chemistry; Metallurgy | 3 | Expired |
| US7526360B2 | Method and apparatus for designing molds | Physics | 3 | Expired |
| US5705885A | Brazing structure for X-ray image intensifier | Electricity | 3 | Expired |
| US7018596B2 | Mesoporous silica, process for the preparation of the same, and use thereof | Chemistry; Metallurgy | 3 | Expired |
| US8597778B2 | Porous formed article and method for production thereof | Emerging Cross-Sectional Technologies | 2 | Active |
| US6750613B2 | High lamp-power lighting system and fluorescent lamp | Electricity | 2 | Expired |
| US8325987B2 | Amorphous alloy member and its application for authenticity determining device and method, and process for manufacturing amorphous alloy member | Emerging Cross-Sectional Technologies | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.