Toshio Sato
139Patents
22h-index
198Co-inventors
93Inventor score
Filing activity: Oct 4, 1974 → May 10, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4930358A | Method of and apparatus for measuring flow velocity by using ultrasonic waves | Physics | 115 | Expired |
| US4829889A | Dispenser | Performing Operations; Transporting | 65 | Expired |
| US5638496A | Color image input apparatus having color image identifying function | Electricity | 63 | Expired |
| US5280728A | Ultrasonic flow velocity measurement method and apparatus thereof | Physics | 63 | Expired |
| US6049827A | Network management tool for causing network equipment to display information of a network relevant to the network equipment | Electricity | 62 | Expired |
| US6882741B2 | Facial image recognition apparatus | Physics | 59 | Expired |
| US7120278B2 | Person recognition apparatus | Physics | 59 | Expired |
| US4135120A | Drive circuit for a brushless motor | Electricity | 54 | Expired |
| US6047085A | Image identifying apparatus | Physics | 53 | Expired |
| US4623173A | Screw joint coupling for oil pipes | Mechanical Engineering; Lighting; Heating | 52 | Expired |
| US6219701A | Method for controlling managing computer, medium for storing control program, and managing computer | Electricity | 44 | Expired |
| US4004071A | Process for the polymerization of ethylene | Chemistry; Metallurgy | 42 | Expired |
| US5535127A | Processing apparatus for mail with stamps | Physics | 41 | Expired |
| US7497898B2 | Ionizer | Performing Operations; Transporting | 36 | Active |
| US6873713B2 | Image processing apparatus and method for extracting feature of object | Physics | 33 | Expired |
| US6339789B1 | Network management tool | Electricity | 33 | Expired |
| US5884549A | Linear actuator | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| US7158657B2 | Face image recording system | Physics | 30 | Expired |
| US6289379A | Method for monitoring abnormal behavior in a computer system | Electricity | 29 | Expired |
| US4027089A | Process for polymerizing ethylene | Chemistry; Metallurgy | 24 | Expired |
| US3989878A | Catalyst and process of production of polyethylene | Chemistry; Metallurgy | 23 | Expired |
| US4258299A | Apparatus for controlling the speed and direction of rotation of a DC motor | Physics | 22 | Expired |
| US5906148A | Microtome having vibration dampening and micro-feeding mechanism | Emerging Cross-Sectional Technologies | 22 | Expired |
| US7821762B2 | Piezoelectric transformer type ionizer and neutralization method | Electricity | 21 | Active |
| US5463602A | Reproducing apparatus which can play multiple types of discs and biases focusing error signal based on disc type | Physics | 21 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.