Takashi Nakagawa
230Patents
17h-index
351Co-inventors
89Inventor score
Filing activity: Feb 24, 1976 → Feb 13, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5761486A | Method and apparatus for simulating a computer network system through collected data from the network | Physics | 76 | Expired |
| US6329465A | Ethylene copolymer composition and uses thereof | Chemistry; Metallurgy | 75 | Expired |
| US5740355A | Transaction tracing apparatus | Electricity | 68 | Expired |
| US6450284B1 | Cab for construction machinery | Fixed Constructions | 57 | Expired |
| US4705279A | Device for clamping a flexible disk | Emerging Cross-Sectional Technologies | 38 | Expired |
| US6169948A | Front control system, area setting method and control panel for construction machine | Fixed Constructions | 35 | Expired |
| US4192402A | Muffler for internal combustion engines | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| US5752333A | Area limiting excavation control system for construction machines | Fixed Constructions | 29 | Expired |
| US5950148A | Apparatus and method for maintaining and controlling electronic apparatus provided with communication function | Physics | 26 | Expired |
| US6725562B2 | Hairdryer | Human Necessities | 25 | Expired |
| US4900501A | Method and apparatus for encapsulating semi-conductors | Electricity | 24 | Expired |
| US4990074A | Oil pump having pivoting vanes | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US11101302B2 | Imaging device and electronic device | Electricity | 23 | Active |
| US8928010B2 | Display device | Electricity | 23 | Active |
| US9065438B2 | Programmable logic device | Electricity | 20 | Active |
| US6209949A | Operator's cab in construction machine | Performing Operations; Transporting | 19 | Expired |
| US6738594B2 | Color image forming apparatus and control method thereof | Physics | 18 | Expired |
| US6986212B2 | Hair dryer with minus ion generator | Human Necessities | 17 | Expired |
| US5887365A | Front control system for construction machine and oil temperature indicator | Fixed Constructions | 17 | Expired |
| US6325450A | Operator's cab in construction machine | Performing Operations; Transporting | 17 | Expired |
| US4192403A | Muffler for internal combustion engines | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4192404A | Muffler for internal combustion engines | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4828923A | Rubber laminates of fluororubber and nitrile rubber | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6466166B2 | Multi-beam receiving apparatus | Electricity | 12 | Expired |
| US7364815B2 | Method of preserving fuel cell membrane electrode assembly | Emerging Cross-Sectional Technologies | 12 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.