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For the Inventor, By the Inventor

Kanagawa, Japan

Toshiaki Hasegawa

This inventor holds 44 USPTO granted patents and 6 published patent applications, primarily in Semiconductor Manufacturing. Top assignees: Sony Corporation, Fuji Xerox Co., Ltd., Nippon Furnace Kogyo Kaisha, Ltd.. Active years: 1985-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiaki Hasegawa. Retrieved from https://idiyas.com/inventor/toshiaki-hasegawa

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

USPTO Granted Patents = 44 

% Patents Active = 75.0

Average Co-Inventor Count = 2.3

ph-index = 13

Forward Citations = 825(Granted Patents)


Location History:

  • Kawaguchi, JP (1994)
  • Tokyo, JP (1994)
  • Saitama, JP (1985 - 2005)
  • Yokohama, JP (1999 - 2010)
  • Minamiashigara, JP (2008 - 2011)
  • Kanagawa, JP (1994 - 2021)

Company Filing History:

goldMedal20 out of 58,147 
 
Sony Corporation
 patents
silverMedal13 out of 11,665 
 
Fuji Xerox Co., Ltd.
 patents
bronzeMedal5 out of 21 
 
Nippon Furnace Kogyo Kaisha, Ltd.
 patents
4. 3 out of 3,308 
 
Sony Semiconductor Solutions Corporation
 patents
5. 1 out of 175 
 
Chiyoda Corporation
 patents
6. 1 out of 53,276 
 
Kabushiki Kaisha Toshiba
 patents
7. 1 out of 1 
 
Nfk Holdings Co.
 patent
8. 1 out of 13 
 
Nippon Furnace Kogyo Kabushiki Kaisha
 patents
9. 1 out of 1 
 
Nippon Furnace Kogyo Kabushiki Kiasha
 patent
10. 1 out of 530 
 
Tokuyama Corporation
 patents
where one patent can have more than one assignee

Years Active: 1985-2021

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Areas of Expertise:
Electronic Component
Electrostatic Developer
Image Forming Apparatus
Low Dielectric Layer
Semiconductor Device
Electrophotographic Developer
High Dielectric Constant Material
Fuel Feeding Device
Combustion Method
Insulating Film
CVD Apparatus
Metal Plug
44 patents (USPTO):Explore Patents
1. 10998300 - Display unit (2021-05-04),
2. 10753551 - Electronic component, electronic component mounting substrate, and electronic component mounting method to facilitate positional alignment between the electronic component and the mounting substrate (2020-08-25),
3. 10503091 - Carrier for electrostatic image development and electrostatic image developer (2019-12-10),
4. 10217666 - Stacked structure having a protective layer between an insulation layer and wiring (2019-02-26),
5. 9885969 - Carrier for two-component developer, two-component developer, and method of preparing carrier for two-component developer (2018-02-06),
6. 9864293 - Electrostatic charge image developing carrier, method of preparing electrostatic charge image developing carrier, and electrostatic charge image developer (2018-01-09),
7. 9740130 - Electrostatic charge image developing carrier, electrostatic charge image developer, and developer cartridge (2017-08-22),
8. 9733593 - Electrostatic charge image developing carrier, electrostatic charge image developer, developer cartridge, process cartridge, and image forming apparatus (2017-08-15),
9. 8815486 - Carrier for two-component developer, two-component developer, image forming method, and image forming apparatus (2014-08-26),
10. 8790858 - Electrostatic charge image developing carrier, electrostatic charge image developer, developer cartridge, process cartridge, and image forming apparatus, image forming method (2014-07-29),
11. 8715899 - Carrier for two-component developer, two-component developer, image forming method, and image forming apparatus (2014-05-06),
12. 8580475 - Electrostatic charge image developing carrier, method of producing electrostatic charge image developing carrier, electrostatic charge image developing developer, process cartridge, image forming apparatus, and image forming method (2013-11-12),
13. 8455168 - Electrophotographic developer, developer cartridge, process cartridge, and image forming apparatus (2013-06-04),
14. 8318399 - Electrostatic charge image development carrier, electrostatic charge image developer, process cartridge, image forming apparatus, and image forming method (2012-11-27),
15. 7989130 - Electrostatic latent image developing toner, manufacturing method for electrostatic latent image developing toner, electrostatic latent image developing developer, and image forming method (2011-08-02),

Title: Toshiaki Hasegawa: Pioneering Inventor from Kanagawa

Introduction: Toshiaki Hasegawa is a renowned inventor hailing from Kanagawa, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Toshiaki Hasegawa holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With over two decades of experience in the industry, Toshiaki Hasegawa has worked with leading tech companies and research institutions, spearheading projects that have revolutionized the way we interact with technology on a daily basis.

Collaborations: Throughout his career, Toshiaki Hasegawa has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of innovation and creativity that has led to numerous successful projects and inventions.

Conclusion: Toshiaki Hasegawa's passion for pushing the boundaries of technology and his relentless pursuit of innovation continue to inspire the next generation of inventors and engineers worldwide.

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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