MABUCHI MOTOR CO., LTD.
266Patents
93Active
266Granted
58Portfolio score
Filing activity: Dec 8, 1971 → Feb 7, 2024 · 24 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5500994A | Method of manufacturing a rotor | Emerging Cross-Sectional Technologies | 121 | Expired |
| US4088128A | Beauty treatment device | Human Necessities | 115 | Expired |
| US3935909A | Electric hand tool | Emerging Cross-Sectional Technologies | 65 | Expired |
| US3996929A | Massaging machine | Human Necessities | 41 | Expired |
| US4253013A | Electric heating device for warming the shaving head of an electric shaver | Human Necessities | 35 | Expired |
| USD304169S | Electric motor | General | 34 | Expired |
| USD297426S | Electric motor | General | 33 | Expired |
| US4853576A | Miniature motor | Emerging Cross-Sectional Technologies | 32 | Expired |
| US3959706A | Charger | Electricity | 30 | Expired |
| US6768243B1 | Small-size motor brush assembly with electrical noise suppression | Electricity | 28 | Expired |
| US4168468A | Radio motor control system | Human Necessities | 27 | Expired |
| US5213000A | Motor output shaft positioning device | Emerging Cross-Sectional Technologies | 26 | Expired |
| US7652402B2 | Brushless motor | Electricity | 25 | Active |
| US4272041A | Model helicopter device | Human Necessities | 24 | Expired |
| US4197672A | Model racing car | Human Necessities | 24 | Expired |
| US7663277B2 | Inner-rotor-type brushless motor having built-in bus bar | Electricity | 22 | Active |
| US4987791A | Miniature motor with a worm reduction gear | Emerging Cross-Sectional Technologies | 22 | Expired |
| US7952241B2 | Cooling fan built into rotor | Electricity | 20 | Active |
| US5298820A | Miniature motor with integrated stator coil end supports | Electricity | 20 | Expired |
| USD298228S | Electric motor | General | 20 | Expired |
| US5010264A | Miniature motor having positive-coefficient thermistor | Electricity | 20 | Expired |
| US5206556A | Field magnet for miniature motors | Electricity | 19 | Expired |
| US4092556A | Forced cooled electric motor | Electricity | 18 | Expired |
| US5633542A | Miniature motor | Electricity | 18 | Expired |
| US5876862A | Sliding contact material, clad compoosite material, commutator employing said material and direct current motor employing said commutator | Emerging Cross-Sectional Technologies | 18 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.