Inventor
Noriyoshi Takeya
Inventor
Tokorozawa, JP
Overview
Patents· 26 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 transducer62%
H04NPictorial communication, e.g. television24%
A63FCard, board, or roulette games3%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein3%
G06FElectric digital data processing3%
G09GArrangements or circuits for control of indicating devices using static means to present variable information3%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light3%
PatentTitleYear
6,813,234'Optical pickup device and method of adjusting the same'20046,704,152'Light irradiating device, optical pickup device with the same, method of adjusting light irradiating device'20046,307,820'Multiple layer disk reproducing apparatus, and apparatus for reproducing information record medium'20016,301,201'Reading apparatus for optical recording medium'20016,240,054'Multiple layer disk reproducing apparatus, and apparatus for reproducing information record medium'20015,978,337'Optical record medium judging method and apparatus and focus servo controlling method and apparatus'19995,790,493'Optical record medium judging method and apparatus and focus servo controlling method and apparatus'19985,757,745'Focus servo controlling method and apparatus'19985,636,312'Video image mixing apparatus'19975,608,533'Video signal recording/reproducing apparatus where the order of access to video data during a write mode is different than the order of access during a read mode'19975,579,028'Apparatus for mixing play video signal with graphics video signal'19965,434,676'Apparatus for mixing video signals having different numbers of lines'19955,410,524'Recording medium apparatus for inhibiting playback of predetermined recorded portions'19955,390,938'Video game apparatus'19955,355,175'Video mixing apparatus capable of combining two input signals and varying the mixing ratio line by line'19945,245,599'Disc player using a servo loop with a variable transfer function'19935,150,344'Tracking servo system'19925,146,443'Servo apparatus for optical disk player having both open loop coarse gain control and closed loop fine gain control'19925,105,402'Disc player with manual search function'19925,101,391'Method for setting the loop gain in a tracking servo loop'19925,084,849'Method for setting the loop gain of servo loops in a disc player'19925,065,386'Servo system responsive to noise and having variable characteristic filter means'19915,050,149'Servo device for disc player'19914,899,326'Magazine-housed disk player'19904,885,644'Spindle servo device for data recording disk reproducing apparatus'19894,872,068'Disk playing method resulting in reduced start-up time'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–2001Patents assigned to PIONEER ELECTRONIC CORP (23)· patent assignee history
1989–1992Based in Saitama, JP· patent location history
1991–2001Based in Tokorozawa, JP· patent location history
1992Based in Tokorazawa, JP· patent location history
1994–1995Patents assigned to HUDSON SOFT CO LTD (2)· patent assignee history
2001Patents assigned to VICTOR COMPANY OF JAPAN (1)· patent assignee history
2001Based in Asaka, JP· patent location history
2004Patents assigned to SAMSUNG ELECTRO MECH (2)· patent assignee history
2004Based in Yokohama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PIONEER ELECTRONIC CORP | 23 | 1989–2001 |
| HUDSON SOFT CO LTD | 2 | 1994–1995 |
| SAMSUNG ELECTRO MECH | 2 | 2004 |
| VICTOR COMPANY OF JAPAN | 1 | 2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokorozawa, JP | 16 | 1991–2001 |
| Saitama, JP | 6 | 1989–1992 |
| Yokohama, JP | 2 | 2004 |
| Asaka, JP | 1 | 2001 |
| Tokorazawa, JP | 1 | 1992 |