SEIBERCO INC has a total of 21 patent applications. Its first patent ever was published in 1986. It filed its patents most often in United States, Canada and Japan. Its main competitors in its focus markets electrical machinery and energy, control and measurement are WINTHER MARTIN P, NRG TECH LTD and QUANTEN TECH INC.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 10 | |
#2 | Canada | 3 | |
#3 | Japan | 3 | |
#4 | Germany | 2 | |
#5 | EPO (European Patent Office) | 2 | |
#6 | France | 1 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Control | |
#3 | Measurement | |
#4 | Machines |
# | Technology | |
---|---|---|
#1 | Electric motor controls | |
#2 | Dynamo-electric machines | |
#3 | Control or regulating systems | |
#4 | Special measuring | |
#5 | Unspecified technologies |
# | Name | Total Patents |
---|---|---|
#1 | Vu Hung D | 11 |
#2 | Horber Ralph W | 8 |
#3 | Rarufu Daburiyu Hoobaa | 2 |
#4 | Someya Masayuki | 2 |
#5 | Leenhouts Albert C | 1 |
#6 | O'Neill Francis Brian | 1 |
#7 | Katz Stanley Maurice | 1 |
Publication | Filing date | Title |
---|---|---|
US6844647B2 | Permanent magnet motor having flux density characteristics that are internally variable | |
US6555987B2 | Step motor control for accommodating friction load variation | |
US6548977B2 | Motor tracking control system | |
US6384563B1 | Method and apparatus for load torque detection and drive current optimization | |
US6150788A | Load torque detection and drive current optimization determination met | |
US5844393A | Stepper drive control using variable step angle | |
US5770829A | General purpose position control system having recursive profile generator | |
US5838122A | Motor initialization method and apparatus | |
US5329195A | Sensor motor | |
US4687961A | Polyphase DC motor with sensor poles |