Naito; Ryuichi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Naito; Ryuichi.The latest application filed is for "pulling-in circuit for pll circuit, pulling-in method for pll circuit, pll circuit device and apparatus for reproducing optical disc".

Company Profile

0.9.0

Naito; Ryuichi - Tokorozawa JP
Naito; Ryuichi - Saitama JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Pulling-in circuit for PLL circuit, pulling-in method for PLL circuit, PLL circuit device and apparatus for reproducing optical disc Grant 5,619,484 - Yokota , et al. April 8, 1	1997-04-08
Optical disc with data recorded at different rates on different zones and recording apparatus, and reproducing apparatus therefor Grant 5,463,604 - Naito October 31, 1	1995-10-31
Autochanger of writable discs Grant 5,025,431 - Naito June 18, 1	1991-06-18
Autochanger of writable discs including a non-volatile memory for storing most recent defect management information relating to the writable discs Grant 5,025,432 - Naito June 18, 1	1991-06-18
Recorded data demodulation circuit Grant 5,021,894 - Naito , et al. June 4, 1	1991-06-04
Phase-locked loop circuit Grant 4,929,917 - Yokogawa , et al. May 29, 1	1990-05-29
Focus servo device of a system for reading out recorded information Grant 4,637,005 - Naito , et al. January 13, 1	1987-01-13
Disc drive control system Grant 4,611,319 - Naito September 9, 1	1986-09-09
Digital modulation signal reading device Grant 4,540,897 - Takaoka , et al. September 10, 1	1985-09-10

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