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For the Inventor, By the Inventor

Kanagawa, Japan

Katsumi Ikeda

This inventor holds 11 USPTO granted patents. Top assignee: Sony Corporation. Active years: 1993-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsumi Ikeda. Retrieved from https://idiyas.com/inventor/katsumi-ikeda-p9e6e3sy

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

Calculating rank
USPTO Granted Patents = 11

% Patents Active = 90.9

Average Co-Inventor Count = 2.6

ph-index = 4

Forward Citations = 71(Granted Patents)


Company Filing History:

goldMedal11 out of 58,150 
 
Sony Corporation
 patents

Years Active: 1993-2006

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11 patents (USPTO):Explore Patents
1. 7103741 - Tape drive apparatus and recording and/or reproducing method (2006-09-05),
2. 7100010 - Tape drive apparatus, recording and/or reproducing method, and recording medium (2006-08-29),
3. 7016137 - Tape drive apparatus, recording and/or reproducing method, and recording medium (2006-03-21),
4. 6611394 - Recording medium, tape drive, and method for identifying type of recording medium (2003-08-26),
5. 6501612 - Recording medium and tape drive suitable for the same (2002-12-31),
6. 6425042 - Tape drive apparatus for judging an operational mode of the tape based on detected tape management information (2002-07-23),
7. 6023388 - Data recording apparatus and data reproducing apparatus (2000-02-08),
8. 5966260 - Magnetic tape recording and reproducing apparatus having four heads and (1999-10-12),
9. 5745317 - Apparatus for reproducing information from a tape-shaped recording (1998-04-28),
10. 5650883 - Data recording apparatus having check-after-write function and (1997-07-22),
11. 5274511 - Servo signal recording method and apparatus (1993-12-28),

Title: Innovations by Katsumi Ikeda

Introduction

Katsumi Ikeda is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of tape drive technology, holding a total of 11 patents. His work focuses on enhancing security and functionality in tape drive systems.

Latest Patents

Ikeda's latest patents include a tape drive apparatus and a recording and/or reproducing method. One of his inventions features a tape cassette equipped with a memory that stores management information, including unique identification information for each cassette. This innovation allows a tape drive system to verify the integrity of the tape cassette by comparing memory-stored identification information with the information written on the magnetic tape. If a mismatch is detected, the system restricts read and write operations, thereby enhancing security against fraudulent uses.

Another significant patent involves a tape cassette that includes a MIC mode switch, which indicates whether the use of management information is mandatory during operations. This invention also checks for consistency between the MIC mode switch and the memory access results. If an inconsistency is found, the system interprets it as potential tampering, restricting operations on the affected cassette. These advancements significantly improve the security of tape drive systems.

Career Highlights

Katsumi Ikeda is currently employed at Sony Corporation, where he continues to innovate in the field of tape technology. His work has been instrumental in developing secure and efficient tape drive systems that meet modern demands.

Collaborations

Ikeda has collaborated with notable colleagues, including Tatsuya Kato and Yoshihisa Takayama, contributing to various projects that enhance the capabilities of tape drive technology.

Conclusion

Katsumi Ikeda's contributions to tape drive technology through his innovative patents have significantly improved security and functionality in this field. His work at Sony Corporation and collaborations with other experts highlight his commitment to advancing technology.

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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