Inventor
Gohji Uchikoshi
Inventor
Higashimurayama, JP
Overview
Patents· 16 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 transducer44%
H03MCoding17%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses11%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock6%
G05BControl or regulating systems in general6%
G05DSystems for controlling or regulating non-electric variables6%
H01GCapacitors6%
H03KPulse technique6%
PatentTitleYear
5,580,358'Method for making a electrolytic capacitor'19965,119,249'Tracking error detection circuit using pilot signals during tape reproduction'19925,085,379'Method of controlling reel drive'19925,072,434'Recording medium transducing light spot moving velocity detection circuit'19915,065,080'Control system'19915,057,705'Clock formation circuit with phase locked loop control'19915,052,032'Clock formation circuit'19915,038,334'Optical spot position detection device for an optical disk apparatus'19915,018,125'Signal processing circuit for detecting a tracking error for an optical disk apparatus'19915,013,901'Tracking control method for eliminating a tracking error due to a movement of an objective lens'19914,939,756'Two-phase encoder circuit'19904,788,606'Tape feed control device'19884,659,972'Servo system for positioning and driving a movable member using two reference voltages'19874,542,371'Method of converting a digital signal into an analog signal and a converter therefor'19854,536,743'Method of converting a digital signal into an analog signal and a digital-to-analog converter therefor'19854,467,319'Signal conversion circuit'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–1992Patents assigned to NAKAMICHI CORP (15)· patent assignee history
1984–1992Based in Higashimurayama, JP· patent location history
1988–1991Based in Tokyo, JP· patent location history
1992Based in Higashimusayama, JP· patent location history
1996Patents assigned to SHOEI CO LTD (1)· patent assignee history
1996Based in Oume, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NAKAMICHI CORP | 15 | 1984–1992 |
| SHOEI CO LTD | 1 | 1996 |
Locations
| Location | Patents | Span |
|---|---|---|
| Higashimurayama, JP | 12 | 1984–1992 |
| Tokyo, JP | 2 | 1988–1991 |
| Oume, JP | 1 | 1996 |
| Higashimusayama, JP | 1 | 1992 |