logo

For the Inventor, By the Inventor

Kawagoe, Japan

Kazuhiro Kiyoura

This inventor holds 16 USPTO granted patents. Top assignees: Pioneer Electronic Corporation, Other. Active years: 1989-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuhiro Kiyoura. Retrieved from https://idiyas.com/inventor/kazuhiro-kiyoura

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 16

% Patents Active = 100.0

Average Co-Inventor Count = 5.6

ph-index = 8

Forward Citations = 151(Granted Patents)


Location History:

  • Saitama, JP (1989 - 1993)
  • Kawagoe, JP (1990 - 2003)

Company Filing History:

goldMedal14 out of 2,861 
 
Pioneer Electronic Corporation
 patents
silverMedal2 out of 834,513 
Other
 patents

Years Active: 1989-2003

Loading Chart...
16 patents (USPTO):Explore Patents
1. 6563774 - Drive apparatus for optical recording medium capable of reducing resonance (2003-05-13),
2. 6192011 - Gain controlling apparatus and method, information reproducing apparatus and method, and information recording apparatus and method (2001-02-20),
3. 5926445 - Waveform controlling device for a tracking error signal (1999-07-20),
4. 5886963 - Gain control device for servo control (1999-03-23),
5. 5761164 - Gain control device for servo control (1998-06-02),
6. 5757748 - Automatic gain control apparatus for optical disc player (1998-05-26),
7. 5600615 - Device and method for automatically controlling a servo loop gain (1997-02-04),
8. 5515351 - Method and apparatus for executing a CD playback setup operation in a CD (1996-05-07),
9. 5508988 - Method and apparatus for reproducing information from a partially (1996-04-16),
10. 5471441 - CD player capable of playing back partially recorded CD (1995-11-28),
11. 5430698 - CD playing apparatus (1995-07-04),
12. 5414684 - Method and apparatus for discriminating type of disks positioned on a CD (1995-05-09),
13. 5179492 - Protection circuit for detachable operating unit used in audio device (1993-01-12),
14. 4939712 - Multiple track and reversing address search method for use in a disk (1990-07-03),
15. 4922476 - Playing method for disk player (1990-05-01),

Title: The Innovative Mind of Kazuhiro Kiyoura

Introduction

Kazuhiro Kiyoura, an esteemed inventor based in Kawagoe, Japan, has made remarkable contributions to the field of optical recording technology. With a portfolio of 16 patents, his work has significantly influenced advancements in media storage and retrieval systems.

Latest Patents

Kiyoura's latest patents include groundbreaking inventions such as a drive apparatus for optical recording mediums capable of reducing resonance. This innovative apparatus enhances the control of motor rotation for recording mediums by performing both fine and rough servo controls based on information recorded on the medium. The system generates a fine servo signal from a reproduction clock, which is filtered by a first device, while a rough servo signal is derived from a frame synchronizing signal and filtered by a second device. Notably, the frequency band limits of the filters are strategically designed for optimal performance.

Additionally, Kiyoura has developed a gain controlling apparatus and methods for both information reproducing and recording systems. This apparatus includes an adjusting device to regulate the gain of a generated signal based on light reception from recording media. A detecting device identifies the output of this signal, and the controlling device automatically increases the gain when necessary, ensuring optimal operation of the system.

Career Highlights

Throughout his career, Kiyoura has been associated with industry leaders, particularly Pioneer Electronic Corporation. His innovative work has placed him at the forefront of optical technology development, showcasing outstanding creativity and technical expertise.

Collaborations

Kiyoura has collaborated with notable professionals in the field, including Koichiro Haraguchi and Hiroyuki Abe. These partnerships have fostered innovative ideas and solutions, contributing to the success of various projects and patents.

Conclusion

Kazuhiro Kiyoura is a leading figure in optical technology, with a remarkable track record of patents reflecting his inventive spirit and technical prowess. His contributions continue to shape the landscape of media storage and retrieval, solidifying his legacy as an influential inventor in Japan and beyond.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Loading…