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For the Inventor, By the Inventor

Kawagoe, Japan

Takayuki Iijima

This inventor holds 17 USPTO granted patents, primarily in Information Recording Technology. Top assignees: Pioneer Corporation, Pioneer Electronic Corporation, Pioneer Electronics Corporation. Active years: 1989-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takayuki Iijima. Retrieved from https://idiyas.com/inventor/takayuki-iijima-p2kn99jf

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

Calculating rank
USPTO Granted Patents = 17

% Patents Active = 58.8

Average Co-Inventor Count = 4.2

ph-index = 7

Forward Citations = 103(Granted Patents)


Location History:

  • Saitama, JP (1989 - 2005)
  • Kawagoe, JP (1990 - 2008)

Company Filing History:

goldMedal10 out of 2,679 
 
Pioneer Corporation
 patents
silverMedal6 out of 2,861 
 
Pioneer Electronic Corporation
 patents
bronzeMedal1 out of 30 
 
Pioneer Electronics Corporation
 patents

Years Active: 1989-2008

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Areas of Expertise:
Editing Device
Information Recording
Reproduction Apparatus
Management Information
Compression Method
Control Circuit
Focus Servo
Track Management
Bias Voltage
On-Vehicle Device
Content Identifiers
Disk Search Method
17 patents (USPTO):Explore Patents
1. 7369464 - Editing device capable of changing the displaying mode of management information (2008-05-06),
2. 7327641 - Editing device capable of displaying logical positions of tracks (2008-02-05),
3. 7200090 - Information recording apparatus including information attaching and generating device which generates group control information (2007-04-03),
4. 7187628 - Editing device capable of imparting group management information to each recording track (2007-03-06),
5. 7145839 - Apparatus for editing management information to be recorded on an information storage medium (2006-12-05),
6. 6958959 - Apparatus for reproducing information based on the type of compression method used in compressing the information (2005-10-25),
7. 6839311 - Information recording unit and method thereof (2005-01-04),
8. 6801489 - Apparatus for reproducing information (2004-10-05),
9. 6801482 - Information record/reproduction unit and method thereof (2004-10-05),
10. 6731574 - Focus servo controlling apparatus, information reproducing apparatus and information recording apparatus (2004-05-04),
11. 6335910 - Information recording apparatus capable of avoiding erroneous recording of information in the event of external disturbances due to movement (2002-01-01),
12. 6285634 - Bias voltage controlling apparatus, information reproducing apparatus and information recording apparatus (2001-09-04),
13. 5554966 - Car-stereo with removable control panel, alarm, and power conservation (1996-09-10),
14. 5359230 - On-vehicle electronic device (1994-10-25),
15. 5109365 - Record information reproducing method with content identifiers (1992-04-28),

Title: Takayuki Iijima: Innovator in Editing Devices

Introduction

Takayuki Iijima is a prominent inventor based in Kawagoe, Japan. He has made significant contributions to the field of editing devices, holding a total of 17 patents. His work focuses on enhancing the management and display of information in various applications.

Latest Patents

Iijima's latest patents include an editing device capable of changing the displaying mode of management information. This device reads management information from an information storage medium, which includes track number information and group management information. The device can change the display mode based on whether the group management information is recorded. Another notable patent is an editing device capable of displaying logical positions of tracks, which similarly reads management information and adjusts the display mode accordingly.

Career Highlights

Throughout his career, Takayuki Iijima has worked with notable companies such as Pioneer Corporation and Pioneer Electronic Corporation. His experience in these organizations has allowed him to develop innovative solutions that address complex challenges in information management.

Collaborations

Iijima has collaborated with several talented individuals in his field, including Shinichiro Abe and Katsuaki Yamanoi. These collaborations have contributed to the advancement of technology in editing devices.

Conclusion

Takayuki Iijima's contributions to the field of editing devices demonstrate his innovative spirit and dedication to improving information management. His patents reflect a deep understanding of technology and its applications in everyday life.

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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