Seiji Nakamura
52Patents
15h-index
70Co-inventors
87Inventor score
Filing activity: Sep 23, 1981 → May 19, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5621799A | Scrambled transmission system | Electricity | 92 | Expired |
| US6258001A | Vehicle drive train | Emerging Cross-Sectional Technologies | 74 | Expired |
| US6340339B1 | Vehicle drive device | Emerging Cross-Sectional Technologies | 71 | Expired |
| US6459980B1 | Vehicle braked with motor torque and method of controlling the same | Emerging Cross-Sectional Technologies | 69 | Expired |
| US6719076B1 | Vehicle braked by motor torque and method of controlling the vehicle | Emerging Cross-Sectional Technologies | 62 | Expired |
| US5546461A | Scramble system for use in digital video signal recording and reproducing system or transmission and receiving system, comprising scramble apparatus and descramble apparatus | Electricity | 60 | Expired |
| US5706346A | Scrambling apparatus and descrambling apparatus | Electricity | 60 | Expired |
| US5377266A | Scramble apparatus and descramble apparatus | Electricity | 55 | Expired |
| US6159389A | Polyether copolymer and crosslinked solid polymer electrolyte | Emerging Cross-Sectional Technologies | 40 | Expired |
| US6777837B2 | Hybrid-vehicle drive unit | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5636279A | Scramble apparatus and descramble apparatus | Electricity | 19 | Expired |
| US6271353A | Antibodies specific for human adseverin | Human Necessities | 17 | Expired |
| US4999716A | Facsimile communication method and facsimile machine | Electricity | 16 | Expired |
| US7774508B2 | Electronic apparatus, control method thereof, host device, and control method thereof | Physics | 15 | Expired |
| US5515437A | Scramble transmission apparatus and signal processing apparatus | Electricity | 15 | Expired |
| US6858351B2 | Polyethylene oxide-based electrolyte containing silicon compound | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6992409B2 | Liquid-cooled rotary electric machine integrated with an inverter | Electricity | 11 | Expired |
| US5617476A | Audio scrambling system for scrambling and descrambling audio signals | Electricity | 9 | Expired |
| US6184352A | Adseverin protein | Human Necessities | 9 | Expired |
| US6130060A | Gene encoding for adseverin | Human Necessities | 8 | Expired |
| US5668879A | Audio scrambling system for scrambling and descrambling audio signals | Electricity | 7 | Expired |
| US8307149B2 | Nonvolatile memory device including a logical-to-physical logig-to-physical address conversion table, a temporary block and a temporary table | Physics | 6 | Active |
| US6956341B2 | Motor driving control device | Electricity | 5 | Expired |
| US7058741B2 | System for suspending processing by a first electronic device on a data line to allow a second electronic device to use the data line, with subsequent resumption of the processing of the first electronic device | Physics | 5 | Expired |
| US8006030B2 | Memory controller for identifying the last valid page/segment in a physical block of a flash memory | Physics | 4 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.