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For the Inventor, By the Inventor

Nara, Japan

Takashi Hayakawa

This inventor holds 29 USPTO granted patents, primarily in Electrophotography Technology. Top assignees: Sharp Kabushiki Kaisha Corporation, Sharp Kabushiki, Gunze Limited. Active years: 1986-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Hayakawa. Retrieved from https://idiyas.com/inventor/takashi-hayakawa

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

USPTO Granted Patents = 29

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 6

Forward Citations = 163(Granted Patents)


Location History:

  • Tenri, JP (1986 - 1990)
  • Nara, JP (1990 - 1994)
  • Soraku, JP (1994 - 1995)
  • Soraku-gun, JP (1997 - 2001)
  • Kizu-cho, JP (2002)
  • Kyoto, JP (1995 - 2015)

Company Filing History:

goldMedal26 out of 25,974 
 
Sharp Kabushiki Kaisha Corporation
 patents
silverMedal2 out of 11 
 
Sharp Kabushiki
 patents
bronzeMedal1 out of 161 
 
Gunze Limited
 patents
4. 1 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1986-2015

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Areas of Expertise:
Photoelectric Conversion Device
Multi-Junction Solar Cell
Plasma CVD Apparatus
Liquid Crystal Light Valve
Electrophotographic Copier
Photosensitive Member
Amorphous Silicon
Imaging Forming Apparatus
Charge Member
Image Transfer
Photoconductor
29 patents (USPTO):Explore Patents
1. 8957300 - Substrate for photoelectric conversion device, photoelectric conversion device, and stacked photoelectric conversion device (2015-02-17),
2. 6459034 - Multi-junction solar cell (2002-10-01),
3. 6189485 - Plasma CVD apparatus suitable for manufacturing solar cell and the like (2001-02-20),
4. 5754925 - Imaging forming apparatus with enhanced cleaning of residual matter (1998-05-19),
5. 5708929 - Contact charging image forming apparatus having improved image transfer (1998-01-13),
6. 5689778 - Image forming apparatus (1997-11-18),
7. 5602659 - Liquid crystal light valve with photoconductor including light absorbing (1997-02-11),
8. 5592263 - Charging device (1997-01-07),
9. 5563691 - Image-forming apparatus (1996-10-08),
10. 5555079 - Image forming apparatus for preventing damage to conductive fibers on a (1996-09-10),
11. 5426488 - Method of charging a built-in electrophotographic charge member (1995-06-20),
12. 5398102 - Electrophotographic copier and charging means used therefor (1995-03-14),
13. 5338582 - Photoconductor coupled liquid crystal light valve (1994-08-16),
14. 5324549 - Method of fabricating photoconductor coupled liquid crystal light valve (1994-06-28),
15. 5239397 - Liquid crystal light valve with amorphous silicon photoconductor of (1993-08-24),

Title: Takashi Hayakawa: Pioneering Inventor from Nara, JP

Introduction: Takashi Hayakawa is a renowned inventor hailing from the historic city of Nara, Japan. With a passion for innovation and a keen eye for detail, he has made significant contributions to the field of technology through his groundbreaking inventions.

Latest Patents: Hayakawa's latest patents focus on advancements in renewable energy technologies, particularly in the development of solar-powered devices that are both efficient and sustainable. His innovative approach to harnessing solar energy has garnered attention worldwide.

Career Highlights: Throughout his illustrious career, Takashi Hayakawa has been instrumental in the creation of cutting-edge solutions in the electronics industry. His work has led to the development of revolutionary products that have redefined the way we interact with technology on a daily basis.

Collaborations: Hayakawa has collaborated with leading research institutions and tech companies to further his research and bring his inventions to life. His partnerships have been crucial in pushing the boundaries of innovation and driving progress in the field of renewable energy.

Conclusion: Takashi Hayakawa's dedication to innovation and his relentless pursuit of excellence have solidified his reputation as a trailblazer in the world of technology. His inventive spirit continues to inspire future generations of inventors to push the limits of what is possible in the realm of sustainable energy solutions.

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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