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For the Inventor, By the Inventor

Kyoto, Japan

Eiichi Hanakawa

This inventor holds 11 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1988-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eiichi Hanakawa. Retrieved from https://idiyas.com/inventor/eiichi-hanakawa

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 = 63.6

Average Co-Inventor Count = 4.2

ph-index = 4

Forward Citations = 44(Granted Patents)


Location History:

  • Osaka, JP (1988)
  • Soraku-gun, JP (2000 - 2001)
  • Kyoto, JP (1999 - 2005)
  • Souraku-gun, JP (2003 - 2005)

Company Filing History:

goldMedal11 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents

Years Active: 1988-2005

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11 patents (USPTO):Explore Patents
1. 6902055 - Disk cartridge (2005-06-07),
2. 6865060 - Disk drive device having a lifting plate configured to lift a magnetic head supporting member (2005-03-08),
3. 6643243 - Disk drive unit with part of feed motor coinciding in height with loaded disk cartridge (2003-11-04),
4. 6529462 - Disk loading device and disk adaptor (2003-03-04),
5. 6526018 - Disk cartridge (2003-02-25),
6. 6495235 - Optical disk, substrate of the same, and mold for forming the substrate (2002-12-17),
7. 6272093 - Disk loading device and disk adaptor (2001-08-07),
8. 6215760 - Method and apparatus for using a disk cartridge with pull-out type case (2001-04-10),
9. 6118751 - Disk cartridge, disk drive and disk changer apparatus using the disk (2000-09-12),
10. 5936935 - Disk cartridge having a locking means and cartridge coupling means (1999-08-10),
11. 4740856 - Tape cassette and cassette recorder using the same (1988-04-26),

Title: Eiichi Hanakawa - Innovative Inventor from Kyoto

Introduction: Eiichi Hanakawa is a renowned inventor hailing from Kyoto, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Eiichi Hanakawa holds several patents in the areas of robotics, artificial intelligence, and sustainable energy solutions, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Eiichi Hanakawa has worked with leading research institutions and tech companies, consistently pushing the boundaries of what is possible in the world of invention.

Collaborations: Throughout his career, Eiichi Hanakawa has collaborated with top engineers, scientists, and designers from around the globe, fostering a culture of innovation and creativity in all his projects.

Conclusion: Eiichi Hanakawa's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a visionary inventor, inspiring the next generation of inventors to dream big and think outside the box.

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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