Hiroshi Seki
57Patents
17h-index
82Co-inventors
87Inventor score
Filing activity: Jul 1, 1974 → Apr 21, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5540957A | Method of manufacturing a magnetic recording medium | Emerging Cross-Sectional Technologies | 123 | Expired |
| US5121201A | Method and apparatus for detecting the number of persons | Physics | 122 | Expired |
| US5712658A | Information presentation apparatus and information display apparatus | Physics | 65 | Expired |
| US5157478A | Tape automated bonding packaged semiconductor device incorporating a heat sink | Electricity | 53 | Expired |
| US6188388A | Information presentation apparatus and information display apparatus | Physics | 49 | Expired |
| US5835078A | Information presentation apparatus and information display apparatus | Physics | 46 | Expired |
| US5637393A | Magnetic recording medium and its manufacturing method | Emerging Cross-Sectional Technologies | 43 | Expired |
| US7577022B2 | Electric element, memory device, and semiconductor integrated circuit formed using a state-variable material whose resistance value varies according to an applied pulse voltage | Physics | 38 | Expired |
| US5677993A | Information processing apparatus using pointing input and speech input | Physics | 37 | Expired |
| US5776602A | Magnetic recording medium having a carbon protective film containing nitrogen and oxygen and overcoated with a lubricant | Emerging Cross-Sectional Technologies | 36 | Expired |
| US5303120A | Method of manufacturing inversion type IC's and IC module using same | Emerging Cross-Sectional Technologies | 30 | Expired |
| US6256875A | Method for manufacturing semiconductor device | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5064706A | Carrier tape including molten resin flow path element for resin packaged semiconductor devices | Emerging Cross-Sectional Technologies | 29 | Expired |
| US6714031B2 | Semiconductor device for wafer examination | Electricity | 24 | Expired |
| US5309021A | Semiconductor device having particular power distribution interconnection arrangement | Emerging Cross-Sectional Technologies | 23 | Expired |
| US7525832B2 | Memory device and semiconductor integrated circuit | Physics | 22 | Active |
| US4640628A | Composite fire sensor | Physics | 22 | Expired |
| US6005289A | Package for semiconductor device laminated printed circuit boards | Emerging Cross-Sectional Technologies | 17 | Expired |
| US7821410B2 | Radio-type transmitting device, container, transmitting/receiving system and transmitting/receiving method | Human Necessities | 15 | Active |
| US5099167A | Vibration wave driven motor | Electricity | 13 | Expired |
| US4839713A | Package structure for semiconductor device | Electricity | 13 | Expired |
| US3947943A | Cable harness forming machine comprising wire feed-out means in harness laying head | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6911612B2 | Switch | Electricity | 11 | Expired |
| US5589263A | Magnetic recording medium having a ferromagnetic metal thin film, a dry etched layer, a carbonaceous film, and a lubricant film | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5128840A | Bicycle luminaire | Electricity | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.