Inventor
Noriaki Wakabayashi
Inventor
Hirakata, JP
Overview
Patents· 17 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 transducer30%
G05BControl or regulating systems in general22%
H02KDynamo-electric machines11%
G05DSystems for controlling or regulating non-electric variables7%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock4%
H02HEmergency protective circuit arrangements4%
H04WWireless communication networks4%
H05BElectric heating4%
PatentTitleYear
8,934,385'Wireless communication apparatus and electronic device'20155,402,287'Resolution enhancement of absolute track position using iterative process and position bursts'19955,396,380'Resolution enhancement of absolute track position using iterative process and position bursts with track following capability'19955,335,123'Apparatus and method for head-positioning on a rotatable recording medium'19945,317,468'Magnetic disk having reserve servo sectors and plural reserve tracks'19945,267,144'Access method of an actuator and control apparatus therefor'19935,206,566'Access method of actuator and control apparatus therefor'19935,124,625'Position control system'19925,065,263'Track following transducer position control system for a disk storage drive system'19914,999,558'Position control system'19914,725,776'Magnetic position detector using a thin film magnetoresistor element inclined relative to a moving object'19884,669,073'Optical disk drive apparatus'19874,509,001'Brushless linear servomotor'19854,507,598'Two-axis positioning system'19854,504,750'Linear motor'19854,370,577'Linear motor'19834,091,266'Electrical circuit for controlling a temperature of a heating element'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1995Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (16)· patent assignee history
1978Based in Kadoma, JP· patent location history
1983–1995Based in Hirakata, JP· patent location history
1994Based in Osaka, JP· patent location history
2015Patents assigned to SEIKO EPSON CORP (1)· patent assignee history
2015Based in Nagano, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MATSUSHITA ELECTRIC INDUSTRIAL CO LTD | 16 | 1978–1995 |
| SEIKO EPSON CORP | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hirakata, JP | 14 | 1983–1995 |
| Nagano, JP | 1 | 2015 |
| Osaka, JP | 1 | 1994 |
| Kadoma, JP | 1 | 1978 |