Masami Wada
35Patents
12h-index
43Co-inventors
81Inventor score
Filing activity: Jun 12, 1975 → Jul 25, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4448269A | Cutter head for pit-boring machine | Fixed Constructions | 115 | Expired |
| US5610464A | Direct current motor having a decreasing cogging torque | Electricity | 33 | Expired |
| US6232902A | Sigma-delta analog-to-digital converter | Electricity | 32 | Expired |
| US4689163A | Resin-bonded magnet comprising a specific type of ferromagnetic powder dispersed in a specific type of resin binder | Chemistry; Metallurgy | 30 | Expired |
| US4556286A | Multilayer guest host liquid crystal display without polarizers | Physics | 26 | Expired |
| US6131683A | Electric bicycle | Performing Operations; Transporting | 21 | Expired |
| US5167915A | Process for producing a rare earth-iron-boron magnet | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5170082A | Yoke of stepping motor and method for manufacturing the same | Electricity | 18 | Expired |
| US5841035A | Vortex flowmeter | Physics | 17 | Expired |
| US4047042A | Method of determining the water equivalent depth of snowfall using neutrons of cosmic rays | Physics | 17 | Expired |
| US4981635A | Methods for producing a resin-bonded magnet | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4595065A | Shaft drilling rig | Fixed Constructions | 13 | Expired |
| US5636613A | Cylinder head porting arrangement for multi-valve engine | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5100604A | Method for making a resin-bonded magnet comprising a ferromagnetic material and a resin composition | Electricity | 12 | Expired |
| US6480812B1 | Vortex flowmeter | Physics | 11 | Expired |
| US5149477A | Process for producing a resin bonded magnet structure | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5787851A | Intake control system | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5178691A | Process for producing a rare earth element-iron anisotropic magnet | Electricity | 10 | Expired |
| US5100485A | Method for manufacturing permanent magnets | Electricity | 9 | Expired |
| US7035612B2 | Antenna diversity communications device | Electricity | 9 | Expired |
| US4326736A | Swivel joint for reverse circulation drill | Fixed Constructions | 8 | Expired |
| US5190684A | Rare earth containing resin-bonded magnet and its production | Electricity | 7 | Expired |
| US7073475B2 | Fluid supply mechanism for power generator | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US5020211A | Method for manufacturing a yoke for a stepping motor | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7123938B2 | Card device, electronic apparatus, and wireless device | Electricity | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.