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For the Inventor, By the Inventor

Nishinomiya, Japan

Iwao Dohgane

This inventor holds 10 USPTO granted patents. Top assignee: Sumitomo Chemical Company, Limited. Active years: 1976-1977.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Iwao Dohgane. Retrieved from https://idiyas.com/inventor/iwao-dohgane

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

Calculating rank
USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 5.2

ph-index = 3

Forward Citations = 21(Granted Patents)


Location History:

  • Ashiya, JA (1976 - 1977)
  • Nishinomiya, JA (1976 - 1977)

Company Filing History:

goldMedal10 out of 6,965 
 
Sumitomo Chemical Company, Limited
 patents

Years Active: 1976-1977

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10 patents (USPTO):Explore Patents
1. 4059637 - Method for extraction of dihydroperoxide (1977-11-22),
2. 4044052 - Process for recovery of urea from its phenolic solution (1977-08-23),
3. 4032581 - Method for separation of m- or p-cresol (1977-06-28),
4. 3993696 - Method for recovering hydroperoxide (1976-11-23),
5. 3985819 - Process for producing alkylnaphthalenes (1976-10-12),
6. 3969420 - Process for recovering resorcinol and hydroquinone in mixture (1976-07-13),
7. 3953521 - Process for the continuous production of dihydroperoxides (1976-04-27),
8. 3950431 - Process for removing impurities in an oxidation mixture (1976-04-13),
9. 3933921 - Process for the production of hydroperoxides (1976-01-20),
10. 3932528 - Process for the separation of dihydroperoxides (1976-01-13),

Title: Inventor Iwao Dohgane

Introduction: Iwao Dohgane is a renowned inventor based in Nishinomiya, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Iwao Dohgane holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his innovative spirit and forward-thinking approach.

Career Highlights: Throughout his illustrious career, Iwao Dohgane has worked with leading research institutions and universities to develop cutting-edge solutions that have revolutionized the industry. His dedication to pushing the boundaries of technology has earned him recognition as a pioneer in his field.

Collaborations: Iwao Dohgane has collaborated with top companies and inventors worldwide, fostering a culture of innovation and knowledge sharing. His collaborative efforts have led to the creation of groundbreaking inventions that have had a lasting impact on society.

Conclusion: In conclusion, Iwao Dohgane's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a visionary inventor. His contributions to the field of technology continue to inspire future generations of inventors and shape the world we live in today.

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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