LexDanaLexDanabeta
Inventor

Tamon Kasajima

Inventor
Kwai Chung, HK

Overview

39→
Patents
2003–2021
Patent span
Physics
Primary field (CPC G)

Patents· 39 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer47%
G01RMeasuring electric variables9%
H10NElectric solid-state devices not otherwise provided for8%
Y10TTechnical subjects covered by former us classification8%
B82YSpecific uses or applications of nanostructures3%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure3%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock3%
H02NElectric machines not otherwise provided for3%
F16FSprings2%
G01CMeasuring distances, levels or bearings2%
PatentTitleYear
10,905,011State detecting device202110,101,413Magnetic field detection device20189,983,273Magnetic field detecting sensor and magnetic field detecting apparatus using the same20188,836,317'Current sensor'20148,735,736'Electronic component module and its manufacturing method'20148,193,805'Magnetic sensor'20127,960,970'Magnetic sensor and manufacturing method of the same'20117,956,602'Tilt angle sensor and detection-target device comprising the same'20117,621,185'Acceleration sensor and electronic device comprising the same'20097,555,947'Air pressure sensor'20097,440,216'Rotary piezoelectric microactuator with an optimum suspension arrangement'20087,184,245'Head slider to be adhered to precise positioning actuator, head gimbal assembly with the head slider, method for adhering the head slider to the actuator, manufacturing method of head slider and manufacturing method of head gimbal assembly'20077,099,115'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'20067,079,356'Head arm assembly and disk drive apparatus with the head arm assembly'20067,016,155'Vibration-canceling mechanism and head gimbal assembly with the vibration-canceling mechanism'20067,015,689'Connection method for probe pins for measurement of characteristics of thin-film magnetic head and characteristic measurement method for thin-film magnetic head'20066,989,949'Performance test method of head gimgal assembly with precise positioning actuator'20066,980,396'Coil for thin-film magnetic head with inductive write head element'20056,972,929'Coil conductor with trace conductors for a thin-film magnetic head'20056,956,724'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'20056,934,127'Precise positioning actuator for head element, head gimbal assembly with the actuator and disk drive apparatus with the head gimbal assembly'20056,894,873'Suspension and head gimbal assembly with the suspension'20056,891,701'Head gimbal assembly with precise positioning actuator for head element and disk drive apparatus with the head gimbal assembly'20056,856,070'Dual stage actuator systems for high density hard disk drives using annular rotary piezoelectric actuators'20056,831,815'Head slider precise positioning actuator including a base section and a pair of movable arms'20046,801,377'Performance test method of head gimbal assembly with precise positioning actuator'20046,775,102'Vibration-canceling mechanism and head gimbal assembly with the vibration-canceling mechanism'20046,775,107'Head gimbal assembly with precise positioning actuator for head element'20046,771,467'Vibration-canceling mechanism and head gimbal assembly with the vibration-canceling mechanism'20046,771,466'Vibration-canceling mechanism and head gimbal assembly with the vibration-canceling mechanism'20046,760,194'Head gimbal assembly with piezoelectric microactuator'20046,751,062'Vibration-canceling mechanism and head gimbal assembly with the vibration-canceling mechanism'20046,747,848'Head gimbal assembly with precise positioning actuator for head element'20046,700,749'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'20046,690,551'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'20046,680,826'Head gimbal assembly with piezoelectric microactuator'20046,671,131'Precise positioning actuator for head element, head gimbal assembly with the actuator and manufacturing method of head gimbal assembly'20036,653,763'Dual stage actuator systems for high density hard disk drives using annular rotary piezoelectric actuators'20036,633,458'Rotary piezoelectric microactuator with an optimum suspension arrangement'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2014Patents assigned to SAE MAGNETICS HK LTD (30)· patent assignee history
2003–2006Based in Kwai Chung, HK· patent location history
2003–2008Based in Dongguan, CN· patent location history
2004–2021Patents assigned to TDK CORP (9)· patent assignee history
2004Patents assigned to SAE MAGENTICS HK LTD (1)· patent assignee history
2004–2021Based in Tokyo, JP· patent location history
2007–2014Based in Hong Kong, CN· patent location history
2012–2014Patents assigned to KASAJIMA TAMON (3)· patent assignee history
2014Patents assigned to SHIRAISHI MASASHI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SAE MAGNETICS HK LTD302003–2014
TDK CORP92004–2021
KASAJIMA TAMONself32012–2014
SAE MAGENTICS HK LTD12004
SHIRAISHI MASASHI12014
Locations
LocationPatentsSpan
Kwai Chung, HK182003–2006
Hong Kong, CN82007–2014
Tokyo, JP72004–2021
Dongguan, CN62003–2008