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For the Inventor, By the Inventor

Yokohama, Japan

Nobuhiro Kuwahara

This inventor holds 11 USPTO granted patents. Top assignees: Ensuiko Sugar Refining Co., Ltd., Osaka-Shi, Kyoko Koizumi. Active years: 1987-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuhiro Kuwahara. Retrieved from https://idiyas.com/inventor/nobuhiro-kuwahara

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

USPTO Granted Patents = 11

% Patents Active = 100.0

Average Co-Inventor Count = 4.6

ph-index = 6

Forward Citations = 149(Granted Patents)


Location History:

  • Fujisawa, JP (1987)
  • Yokohama, JP (1994 - 1997)

Company Filing History:

goldMedal11 out of 29 
 
Ensuiko Sugar Refining Co., Ltd.
 patents
silverMedal2 out of 2 
 
Osaka-Shi
 patents
bronzeMedal1 out of 1 
 
Kyoko Koizumi
 patent
4. 1 out of 1 
 
Sumio Kitahata
 patent
5. 1 out of 789 
 
Toyo Boseki Kabushiki Kaisha
 patents
6. 5 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1987-1997

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11 patents (USPTO):Explore Patents
1. 5684169 - Cyclodextrin inclusion complex of taxol, and method for its production (1997-11-04),
2. 5623071 - Galactosyl and mannosyl cyclodextrins (1997-04-22),
3. 5622844 - Method of preparing a mannosyl-cyclodextrin (1997-04-22),
4. 5523218 - Method of producing a galactosyl-cyclodextrin (1996-06-04),
5. 5463039 - Method of preparing hetero-branched cyclodextrins (1995-10-31),
6. 5445842 - Quercetin-containing coloring (1995-08-29),
7. 5424407 - Crocetin-containing coloring (1995-06-13),
8. 5393660 - Reagent for Determining .alpha.-amylase activity and method for (1995-02-28),
9. 5366879 - Method of preparing branched cyclodextrin (1994-11-22),
10. 5356884 - Hetero-branched cyclodextrins (1994-10-18),
11. 4659583 - Method for the pulverization or granulation of nuts and seeds (1987-04-21),

Title: Nobuhiro Kuwahara: Pioneering Inventor from Yokohama

Introduction: Nobuhiro Kuwahara is a renowned inventor hailing from Yokohama, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Kuwahara 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 a career spanning over two decades, Kuwahara has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant advancements in various industries.

Collaborations: Throughout his career, Kuwahara has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge exchange.

Conclusion: Nobuhiro Kuwahara's dedication to pushing the boundaries of technology and his passion for innovation continue to inspire the next generation of inventors and researchers 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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