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For the Inventor, By the Inventor

Chiba, Japan

Hidetsugu Fujii

This inventor holds 12 USPTO granted patents. Top assignees: Toyo Engineering Corporation, Mitsui Toatsu Chemicals, Incorporated, K.e.m. Corporation. Active years: 1982-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hidetsugu Fujii. Retrieved from https://idiyas.com/inventor/hidetsugu-fujii

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

USPTO Granted Patents = 12

% Patents Active = 83.3

Average Co-Inventor Count = 2.5

ph-index = 6

Forward Citations = 90(Granted Patents)


Location History:

  • Mobara, JP (1982 - 1985)
  • Chiba, JP (1989 - 2007)
  • Sakura, JP (2001 - 2007)

Company Filing History:

goldMedal11 out of 171 
 
Toyo Engineering Corporation
 patents
silverMedal3 out of 1,379 
 
Mitsui Toatsu Chemicals, Incorporated
 patents
bronzeMedal1 out of 4 
 
K.e.m. Corporation
 patents
4. 1 out of 53,262 
 
Kabushiki Kaisha Toshiba
 patents
where one patent can have more than one assignee

Years Active: 1982-2007

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12 patents (USPTO):Explore Patents
1. 7270689 - Reformer (2007-09-18),
2. 7201889 - Fuel reforming method and system (2007-04-10),
3. 6203730 - Method for granulation and granulator (2001-03-20),
4. 6200540 - Urea synthesis apparatus (2001-03-13),
5. 6093850 - Process for the synthesis of urea and equipment therefor (2000-07-25),
6. 5965071 - Process for preparing granular urea (1999-10-12),
7. 5936122 - Urea synthesis process and apparatus therefor (1999-08-10),
8. 4864059 - Process for producing urea (1989-09-05),
9. 4504679 - Process for synthesizing urea (1985-03-12),
10. 4365089 - Synthesis of urea (1982-12-21),
11. 4354040 - Process for synthesizing urea (1982-10-12),
12. 4321410 - Method of stripping unreacted materials in urea synthesis process (1982-03-23),

Title: Innovations of Hidetsugu Fujii

Introduction

Hidetsugu Fujii is a prominent inventor based in Chiba, Japan. He has made significant contributions to the field of fuel reforming technology. With a total of 12 patents to his name, Fujii's work focuses on creating efficient methods for producing hydrogen-containing gases.

Latest Patents

Fujii's latest patents include a reformer designed for reacting raw material gas with an oxidizing agent and a reforming agent in the presence of catalysts. This innovative reformer can produce hydrogen-containing gas without creating high-temperature combustion regions, making it a cost-effective solution. Another notable patent is a fuel reforming method that involves supplying carbon-containing fuel and steam to a reactor filled with a reforming catalyst and CO absorbent. This method efficiently converts carbon-containing fuel into reformed fuel while separating CO from the product gas.

Career Highlights

Throughout his career, Fujii has worked with notable companies such as Toyo Engineering Corporation and Mitsui Toatsu Chemicals, Incorporated. His experience in these organizations has allowed him to develop and refine his innovative technologies.

Collaborations

Fujii has collaborated with several professionals in his field, including Hiroshi Ono and Haruyuki Morikawa. These collaborations have contributed to the advancement of his research and inventions.

Conclusion

Hidetsugu Fujii's contributions to fuel reforming technology highlight his innovative spirit and dedication to advancing energy solutions. His patents reflect a commitment to creating efficient and cost-effective methods for hydrogen production.

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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