Hideki Nakajima
46Patents
10h-index
43Co-inventors
75Inventor score
Filing activity: Nov 9, 1981 → Nov 14, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5317405A | Display and image capture apparatus which enables eye contact | Electricity | 194 | Expired |
| US4561605A | Brake for a fishing reel | Human Necessities | 46 | Expired |
| US4544111A | Brake for a fishing reel | Human Necessities | 44 | Expired |
| US5309438A | ATM cell delay circuit for | Electricity | 39 | Expired |
| US4676452A | Brake for a fishing reel | Human Necessities | 29 | Expired |
| US5847783A | LCD with electroluminescent panel drive circuitry mounted to oppose LCD drive circuitry | Physics | 20 | Expired |
| US4434951A | Fishing reel having a magnetic brake and non-magnetizable bearing | Human Necessities | 16 | Expired |
| US4570878A | Clutch and brake for a fishing reel | Human Necessities | 15 | Expired |
| US5393005A | Brake structure for a reel | Human Necessities | 13 | Expired |
| US4585188A | Fishing reel | Human Necessities | 12 | Expired |
| US4522354A | Fishing reel having a spool rotation control mechanism | Human Necessities | 10 | Expired |
| US6883738B2 | Spinning reel handle assembly | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4418877A | Fishing reel | Human Necessities | 9 | Expired |
| US4586674A | Fishing reel | Human Necessities | 7 | Expired |
| US4618107A | Fishing reel | Human Necessities | 7 | Expired |
| US7184860B2 | In-store equipment remote monitoring system | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6157895A | Method of judging truth of paper type and method of judging direction in which paper type is fed | Physics | 4 | Expired |
| US6327543A | Method of judging truth of paper type and method of judging direction in which paper type is fed | Physics | 4 | Expired |
| US12180682B2 | Hydraulic control system | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US6288530A | Apparatus and method for measuring resonance frequency of electric circuit | Physics | 3 | Expired |
| US11162245B2 | Stick control system in construction machine | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US4650135A | Brake for a fishing reel | Human Necessities | 3 | Expired |
| US10337532B2 | Split spool valve | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US11566640B2 | Hydraulic control circuit for a construction machine | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US11585068B2 | Boom control system for a construction machine | Mechanical Engineering; Lighting; Heating | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.