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For the Inventor, By the Inventor

Hiratsuka, Japan

Hidekazu Takeda

This inventor holds 26 USPTO granted patents and 2 published patent applications, primarily in Magnetic Recording Technology. Top assignees: Hitachi, Ltd., Hitachi Maxell, Limited, Hitachi Video Engineering, Incorporated. Active years: 1988-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hidekazu Takeda. Retrieved from https://idiyas.com/inventor/hidekazu-takeda

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

Calculating rank
USPTO Granted Patents = 26 

% Patents Active = 96.2

Average Co-Inventor Count = 5.5

ph-index = 6

Forward Citations = 119(Granted Patents)


Location History:

  • Katuta, JP (1990)
  • Katsuta, JP (1988 - 1992)
  • Kanagawa, JP (1994)
  • Fujisawa, JP (1994 - 1996)
  • Hiratsuka, JP (1995 - 2011)

Company Filing History:

goldMedal25 out of 42,743 
 
Hitachi, Ltd.
 patents
silverMedal9 out of 1,112 
 
Hitachi Maxell, Limited
 patents
bronzeMedal3 out of 67 
 
Hitachi Video Engineering, Incorporated
 patents
4. 1 out of 98 
 
Exabyte Corporation
 patents
5. 1 out of 7 
 
Hitachi Engineering Ltd
 patents
6. 1 out of 56 
 
Hitachi Maxwell, Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1988-2011

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Areas of Expertise:
Magnetic Tape
Tape Cartridge
Recording Apparatus
Cleaning System
Cassette Mechanism
Rotary Head
Tape Loading
Magneto-Resistive Head
Pneumatic Guide
Tape Tension Controller
Chassis Design
Lid Assembly
26 patents (USPTO):Explore Patents
1. 8073312 - Recorder equipped with dubbing function (2011-12-06),
2. 6757123 - Method and apparatus for cleaning a magneto-resistive head (2004-06-29),
3. 6654194 - High reliability magneto-resistive head cleaning system (2003-11-25),
4. 6078464 - Drum base on which a drum of a magnetic tape recorder is mounted (2000-06-20),
5. 6061213 - Magnetic tape cartridge having triple lid assembly (2000-05-09),
6. 5978185 - Rotary head and recording/reading apparatus provided with rotary head (1999-11-02),
7. 5734537 - Tape guide structure of rotary head drum in recording/reproduction (1998-03-31),
8. 5687047 - Magnetic tape cartridge having triple lid assembly (1997-11-11),
9. 5602695 - Cassette loading mechanism for recording and playback apparatus (1997-02-11),
10. 5570831 - Pneumatic static guide for a tape (1996-11-05),
11. 5556051 - Tape cartridge having a front lid with a covering wall (1996-09-17),
12. 5537279 - Tape cassette and magnetic recording/reproducing device (1996-07-16),
13. 5503348 - Opening and closing of a front lid of a tape cartridge (1996-04-02),
14. 5497279 - Tape cartridge and recording reproduction apparatus for the tape (1996-03-05),
15. 5479312 - Tape cartridge system implementing variable sized tape cartridges (1995-12-26),

Title: Inventor Hidekazu Takeda

Introduction: Hidekazu Takeda is a renowned inventor based in Hiratsuka, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Hidekazu Takeda holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his innovative spirit and forward-thinking approach.

Career Highlights: Throughout his career, Hidekazu Takeda has worked with leading research institutions and universities to develop cutting-edge solutions that have revolutionized the industry. His dedication to pushing the boundaries of technology has earned him recognition as a pioneer in his field.

Collaborations: Hidekazu Takeda has collaborated with top companies and inventors worldwide, fostering a culture of innovation and knowledge sharing. His collaborative efforts have led to the development of groundbreaking technologies that have had a lasting impact on society.

Conclusion: In conclusion, Hidekazu Takeda's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a visionary inventor. His work continues to inspire future generations of inventors and shape the technological landscape for years to come.

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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