Tamon Kasajima
43Patents
14h-index
24Co-inventors
81Inventor score
Filing activity: Mar 16, 2001 → Oct 14, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7015689B2 | Connection method for probe pins for measurement of characteristics of thin-film magnetic head and characteristic measurement method for thin-film magnetic head | Physics | 94 | Expired |
| US6671131B2 | Precise positioning actuator for head element, head gimbal assembly with the actuator and manufacturing method of head gimbal assembly | Physics | 49 | Expired |
| US6700749B2 | PRECISE POSITIONING ACTUATOR FOR HEAD ELEMENT, HEAD GIMBAL ASSEMBLY WITH THE ACTUATOR, DISK DRIVE APPARATUS WITH THE HEAD GIMBAL ASSEMBLY, MANUFACTURING METHOD OF ACTUATOR AND MANUFACTURING METHOD OF HEAD GIMBAL ASSEMBLY | Physics | 44 | Expired |
| US6760194B2 | Head gimbal assembly with piezoelectric microactuator | Physics | 43 | Expired |
| US6771466B2 | Vibration-canceling mechanism and head gimbal assembly with the vibration-canceling mechanism | Physics | 43 | Expired |
| US6751062B2 | Vibration-canceling mechanism and head gimbal assembly with the vibration-canceling mechanism | Physics | 42 | Expired |
| US6934127B2 | Precise positioning actuator for head element, head gimbal assembly with the actuator and disk drive apparatus with the head gimbal assembly | Physics | 41 | Expired |
| US6771467B2 | Vibration-canceling mechanism and head gimbal assembly with the vibration-canceling mechanism | Physics | 40 | Expired |
| US6653763B2 | Dual stage actuator systems for high density hard disk drives using annular rotary piezoelectric actuators | Electricity | 29 | Expired |
| US7099115B2 | Head gimbal assembly with precise positioning actuator for head element, disk drive apparatus with the head gimbal assembly, and manufacturing method of the head gimbal assembly | Physics | 27 | Expired |
| US6690551B2 | Precise positioning actuator for head element, head gimbal assembly with the actuator, disk drive apparatus with the head gimbal assembly and manufacturing method of head gimbal assembly | Physics | 22 | Expired |
| US6680826B2 | Head gimbal assembly with piezoelectric microactuator | Physics | 18 | Expired |
| US6747848B2 | Head gimbal assembly with precise positioning actuator for head element | Physics | 16 | Expired |
| US6775107B2 | Head gimbal assembly with precise positioning actuator for head element | Physics | 15 | Expired |
| US8193805B2 | Magnetic sensor | Emerging Cross-Sectional Technologies | 14 | Active |
| US8836317B2 | Current sensor | Physics | 12 | Active |
| US6633458B2 | Rotary piezoelectric microactuator with an optimum suspension arrangement | Physics | 8 | Expired |
| US6831815B2 | Head slider precise positioning actuator including a base section and a pair of movable arms | Physics | 7 | Expired |
| US6894873B2 | Suspension and head gimbal assembly with the suspension | Physics | 6 | Expired |
| US6801377B2 | Performance test method of head gimbal assembly with precise positioning actuator | Physics | 6 | Expired |
| US6856070B2 | Dual stage actuator systems for high density hard disk drives using annular rotary piezoelectric actuators | Electricity | 5 | Expired |
| US6980396B2 | Coil for thin-film magnetic head with inductive write head element | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7621185B2 | Acceleration sensor and electronic device comprising the same | Physics | 4 | Active |
| US10905011B2 | State detecting device | Emerging Cross-Sectional Technologies | 3 | Active |
| US6989949B2 | Performance test method of head gimgal assembly with precise positioning actuator | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.