Kazutoshi Takeda
90Patents
7h-index
103Co-inventors
75Inventor score
Filing activity: Dec 9, 1974 → Mar 30, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5945212A | Insulating film treating agent having extremely excellent film characteristics and production method for non-oriented electrical steel sheet using the treating agent | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4376810A | Alkaline cell | Electricity | 18 | Expired |
| US4144382A | Alkaline cell | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4732825A | Flat cell | Electricity | 14 | Expired |
| US4520087A | Divalent silver oxide cell including cadmium and tellunium | Electricity | 12 | Expired |
| US6159534A | Method for producing non-oriented electromagnetic steel sheet having insulating film excellent in film properties | Electricity | 9 | Expired |
| US5116700A | Power source element with connecting terminals | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5291982A | Passenger conveyor, platform floor for passenger conveyor, and comb for platform floor | Performing Operations; Transporting | 7 | Expired |
| US7850792B2 | Grain-oriented electrical steel sheet having insulating film not containing chromium and insulating film agent of same | Electricity | 5 | Expired |
| US7887646B2 | Oriented magnetic steel plate excellent in coating adhesion and method of production of same | Emerging Cross-Sectional Technologies | 5 | Active |
| US6383650B1 | Non-oriented electromagnetic steel sheet having insulating film excellent in film properties | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7733676B2 | Non-contact power supply system utilizing synchronized command signals to control and correct phase differences amongst power supply units | Performing Operations; Transporting | 5 | Active |
| US6335853B1 | Protective device for non-contact feeder system | Performing Operations; Transporting | 4 | Expired |
| US6461741B1 | Grain-oriented electromagnetic steel sheet with excellent coating properties and process for its manufacture | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7998284B2 | Grain-oriented electrical steel sheet having high tensile strength insulating film and method of treatment of such insulating film | Electricity | 4 | Active |
| US3977899A | Solid electrolyte cell | Electricity | 3 | Expired |
| US7167420B2 | Timepiece including base plate formed of resin and wheel train | Emerging Cross-Sectional Technologies | 3 | Expired |
| US10665372B2 | Electrical steel sheet and manufacturing method thereof | Emerging Cross-Sectional Technologies | 3 | Active |
| US5386904A | Escalator apparatus and method of operation | Performing Operations; Transporting | 2 | Expired |
| US7575800B2 | Sliding parts, precision parts and timepieces and electronic equipment using the same | Emerging Cross-Sectional Technologies | 2 | Expired |
| US11749431B2 | Electrical steel sheet, laminated core, and laminated core manufacturing method | Electricity | 1 | Active |
| US7399369B2 | Ultra-high magnetic flux density grain-oriented electrical steel sheet excellent in iron loss at a high magnetic flux density and film properties and method for producing the same | Chemistry; Metallurgy | 1 | Expired |
| US9051622B2 | Non-oriented magnetic steel sheet and method for producing the same | Emerging Cross-Sectional Technologies | 1 | Active |
| US11742129B2 | Adhesively-laminated core, manufacturing method thereof, and electric motor | Electricity | 1 | Active |
| US9984801B2 | Electrical steel sheet and manufacturing method thereof | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.