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For the Inventor, By the Inventor

Atsugi, Japan

Seiji Toyoda

This inventor holds 22 USPTO granted patents and 6 EPO patents, primarily in Optical Waveguides. Top assignees: Nippon Telegraph and Telephone Corporation, Ando Electric Company, Hamamatsu-Photonics K.k.. Active years: 2000-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiji Toyoda. Retrieved from https://idiyas.com/inventor/seiji-toyoda

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

USPTO Granted Patents = 22

% Patents Active = 72.7

 

Average Co-Inventor Count = 7.1

ph-index = 5

Forward Citations = 75(Granted Patents)


Location History:

  • Hitachinaka, JP (2000)
  • Ibaraki, JP (2004)
  • Toukai-mura, JP (2004 - 2006)
  • Tokai-mura, JP (2003 - 2008)
  • Kanagawa, JP (2008)
  • Tokyo, JP (2004 - 2010)
  • Atsugi, JP (2007 - 2023)

Company Filing History:

goldMedal20 out of 5,300 
 
Nippon Telegraph and Telephone Corporation
 patents
silverMedal1 out of 389 
 
Ando Electric Company
 patents
bronzeMedal1 out of 3,135 
 
Hamamatsu-Photonics K.k.
 patents
4. 1 out of 1 
 
Nippon Telegraph and Telephone Communications
 patent
5. 1 out of 41 
 
Ntt Advanced Technology Corporation
 patents
where one patent can have more than one assignee

Years Active: 2000-2023

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Areas of Expertise:
Optical Waveguide
Swept Light Source
Optical Switch
Variable Focusing Lens
Photosensitive Composition
Wavelength Converter
Thermo-Optic Devices
Optical Modulator
Electric Field Sensor
Optical Deflector
Microscope
Phase Delay Measurement
22 patents (USPTO):Explore Patents
1. 11721948 - Swept light source and drive data generation method and optical deflector for swept light source (2023-08-08),
2. 11165219 - Swept light source and drive data generation method and optical deflector for swept light source (2021-11-02),
3. 10205296 - Swept light source and method for controlling the same (2019-02-12),
4. 9372339 - Wavelength swept light source (2016-06-21),
5. 8773749 - Variable focusing lens and microscope (2014-07-08),
6. 7859666 - Electric field sensor (2010-12-28),
7. 7492975 - Optical switch, optical modulator and wavelength variable filter (2009-02-17),
8. 7358036 - Photosensitive composition for manufacturing optical waveguide, production method thereof and polymer optical waveguide pattern formation method using the same (2008-04-15),
9. 7356227 - Optical switch, optical modulator and wavelength variable filter (2008-04-08),
10. 7340147 - Optical waveguide material and optical waveguide (2008-03-04),
11. 7340116 - Optical switch, optical modulator and wavelength variable filter (2008-03-04),
12. 7336854 - Optical switch, optical modulator and wavelength variable filter (2008-02-26),
13. 7177514 - Optical waveguide material and optical waveguide (2007-02-13),
14. 7110652 - Optical waveguide and method of manufacture (2006-09-19),
15. 6996321 - Optical waveguide and method of manufacture (2006-02-07),

Title: The Innovative Journey of Seiji Toyoda

Introduction: Seiji Toyoda, a pioneering inventor hailing from Atsugi, Japan, has made significant contributions to the world of innovations and patents with his groundbreaking ideas and creations.

Latest Patents: Seiji Toyoda's latest patents showcase his continuous dedication to pushing the boundaries of technology and creativity, with a focus on advancements in automotive engineering and sustainable energy solutions.

Career Highlights: Throughout his illustrious career, Seiji Toyoda has been instrumental in developing cutting-edge technologies that have revolutionized various industries. His work has not only earned him recognition within the inventor community but has also positively impacted society as a whole.

Collaborations: Seiji Toyoda's collaborative efforts with leading research institutions, universities, and innovative companies have been key to the success of many of his inventions. By working hand in hand with other visionaries in the field, he has been able to bring his ideas to life and create tangible solutions to complex problems.

Conclusion: In conclusion, Seiji Toyoda stands as a shining example of an inventor whose passion for innovation knows no bounds. His relentless pursuit of excellence and commitment to making the world a better place through his inventions truly sets him apart in the realm of patents and innovations.

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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