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For the Inventor, By the Inventor

Kawagoe, Japan

Yoshihiro Hashizuka

This inventor holds 7 USPTO granted patents and 2 published patent applications. Top assignee: Pioneer Corporation. Active years: 2003-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshihiro Hashizuka. Retrieved from https://idiyas.com/inventor/yoshihiro-hashizuka

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

USPTO Granted Patents = 7 

% Patents Active = 42.9

Average Co-Inventor Count = 5.7

ph-index = 3

Forward Citations = 23(Granted Patents)


Location History:

  • Kawagoe, JP (2003 - 2005)
  • Saitama, JP (2005)

Company Filing History:

goldMedal7 out of 2,679 
 
Pioneer Corporation
 patents

Years Active: 2003-2005

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7 patents (USPTO):Explore Patents
1. 6952387 - Optical disk playing apparatus and method for discriminating optical disk (2005-10-04),
2. 6879554 - Disc player capable of reproducing a partially recorded disc (2005-04-12),
3. 6777657 - Focusing controller for focus jump control between recording layers of multilayer disk (2004-08-17),
4. 6646962 - Apparatus for detecting dropout, an error signal extracting unit, and unit for identifying type of dropout in an optical pickup (2003-11-11),
5. 6600705 - Method of and apparatus for setting servo adjustment value, reproducing information and recording information under servo control using servo adjustment value (2003-07-29),
6. 6560173 - Servo control apparatus for optical disc player (2003-05-06),
7. 6545956 - Disc player and focus search control method (2003-04-08),

Title: Yoshihiro Hashizuka - Innovator in Optical Disc Technology

Introduction

Yoshihiro Hashizuka is an inventor based in Kawagoe-shi, Japan. He has made significant contributions to the field of optical disc technology. His work focuses on improving the efficiency of information retrieval from optical discs.

Latest Patent Applications

Yoshihiro Hashizuka has filed several patent applications, including the following:

- **FINAL AREA RETRIEVING APPARATUS**

- **INFORMATION REPRODUCING APPARATUS**

- **FINAL AREA RETRIEVING METHOD**

- **FINAL AREA RETRIEVING PROGRAM**

These applications aim to decrease the time required to acquire information necessary for the reproduction of optical discs. The final area retrieving apparatus and related methods are designed to enhance the user experience by streamlining the retrieval process.

Conclusion

Yoshihiro Hashizuka's innovative approaches in optical disc technology demonstrate his commitment to advancing the field. His patent applications reflect a focus on efficiency and user convenience in information retrieval.

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]
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