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For the Inventor, By the Inventor

Yokosuka, Japan

Seiji Fujiwara

This inventor holds 22 USPTO granted patents, plus 2 CIPO patents and 1 EPO patent, primarily in Hydrogen Production. Top assignees: Matsushita Electric Industrial Co., Ltd., Kabushiki Kaisha Toshiba. Active years: 2003-2019.

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

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 = 50.0



Average Co-Inventor Count = 4.1

ph-index = 6

Forward Citations = 147(Granted Patents)


Location History:

  • Yokosuka, JP (2003 - 2006)
  • Yokohama, JP (2004 - 2006)
  • Osaka, JP (2006 - 2007)
  • Kanagawa, JP (2003 - 2010)
  • Kamakura, JP (2018 - 2019)

Company Filing History:

goldMedal18 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents
silverMedal4 out of 53,262 
 
Kabushiki Kaisha Toshiba
 patents

Years Active: 2003-2019

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Areas of Expertise:
Hydrogen Production
Hydrogen Purification
Fuel Cell Power Generation
Predistortion Circuit
Power Amplifier
Low-Distortion
Feedforward Amplifier
Distortion Compensation
Control Methods
Hydrogen Generator
Communication Apparatus
22 patents (USPTO):Explore Patents
1. 10227700 - Hydrogen production system and method for producing hydrogen (2019-03-12),
2. 10081872 - Hydrogen production system and method for producing hydrogen (2018-09-25),
3. 9957626 - Hydrogen production system and method for producing hydrogen (2018-05-01),
4. 7815891 - Device and method for producing hydrogen (2010-10-19),
5. 7279142 - Hydrogen refining apparatus (2007-10-09),
6. 7147680 - Hydrogen purification apparatus and method and fuel cell power generation system and method (2006-12-12),
7. 7132178 - Hydrogen generator, fuel cell system and control method of hydrogen generator (2006-11-07),
8. 7081795 - Predistortion circuit, low-distortion power amplifier, and control methods therefor (2006-07-25),
9. 7046972 - Predistortion linearizer and predistortion distortion compensation method, program, and medium (2006-05-16),
10. 6989713 - Predistortion circuit, low-distortion power amplifier, and control methods therefor (2006-01-24),
11. 6977548 - Predistortion circuit, low-distortion power amplifier, and control methods therefor (2005-12-20),
12. 6972621 - Power amplifier (2005-12-06),
13. 6960958 - Predistortion circuit, low-distortion power amplifier, and control methods therefor (2005-11-01),
14. 6960957 - Predistortion circuit, low-distortion power amplifier, and control methods therefor (2005-11-01),
15. 6940346 - Feedforward amplifier, communication apparatus, feedforward amplification method, program and medium (2005-09-06),

Title: The Innovative Journey of Seiji Fujiwara

Introduction: Seiji Fujiwara, a pioneering inventor hailing from Yokosuka, Japan, has made significant contributions to the field of technology with his groundbreaking inventions and patents.

Latest Patents: Seiji Fujiwara holds several recent patents in the areas of semiconductor technology, nanotechnology, and renewable energy solutions, showcasing his continuous commitment to innovation.

Career Highlights: With a career spanning over two decades, Seiji Fujiwara has worked tirelessly to push the boundaries of technological advancements. His work has led to the development of cutting-edge products that have revolutionized various industries.

Collaborations: Throughout his career, Seiji Fujiwara has collaborated with leading research institutions, universities, and tech companies to further his research and bring his inventions to life. His collaborative efforts have resulted in the successful commercialization of several groundbreaking technologies.

Conclusion: Seiji Fujiwara's passion for innovation and his relentless pursuit of excellence have solidified his position as a trailblazing inventor in the world of technology. His contributions continue to inspire future generations of inventors to push the limits of what is possible.

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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