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For the Inventor, By the Inventor

Kawasaki, Japan

Kazutaka Nagashima

This inventor holds 16 USPTO granted patents and 1 published patent application. Top assignee: Ajinomoto Co., Ltd.. Active years: 1994-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazutaka Nagashima. Retrieved from https://idiyas.com/inventor/kazutaka-nagashima

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

USPTO Granted Patents = 16 

% Patents Active = 68.8

Average Co-Inventor Count = 3.3

ph-index = 3

Forward Citations = 42(Granted Patents)


Location History:

  • Yokkaichi, JP (1994 - 1996)
  • Kanagawa-ken, JP (2003 - 2004)
  • Kawasaki, JP (2002 - 2005)

Company Filing History:

goldMedal16 out of 1,953 
 
Ajinomoto Co., Ltd.
 patents

Years Active: 1994-2005

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16 patents (USPTO):Explore Patents
1. 6914151 - Crystallization processes for the formation of stable crystals of aspartame derivative (2005-07-05),
2. 6844465 - Method for preparing highly stable crystals of aspartame derivative (2005-01-18),
3. 6841183 - Process for producing aspartame derivatives, process for purifying aspartame derivatives, production intermediates, and process for producing production intermediates (2005-01-11),
4. 6822111 - Process for production of aspartyl dipeptide ester derivatives (2004-11-23),
5. 6818243 - Crystals of aspartame derivative (2004-11-16),
6. 6794531 - Process for production of aspartyl dipeptide ester derivative, novel production intermediate therefor, and process for production thereof (2004-09-21),
7. 6790470 - Aspartame derivative crystal and process for producing the same (2004-09-14),
8. 6693214 - Intermediate for sweetener with high sweetness and process for producing the same (2004-02-17),
9. 6613933 - Process for separating and purifying aspartame and a derivative thereof (2003-09-02),
10. 6538133 - Process for producing xylitol of high purity (2003-03-25),
11. 6444251 - Sweetener compositions containing aspartame and aspartame derivative (2002-09-03),
12. 6372279 - Sweetener composition (2002-04-16),
13. 6372278 - Sweetener composition (2002-04-16),
14. 6346642 - Mixed crystals comprising aspartame and aspartame derivative and process for producing the same (2002-02-12),
15. 5530155 - Process for recovering L-phenylalanine (1996-06-25),

Title: Kazutaka Nagashima: Innovator in Crystallization Processes

Introduction

Kazutaka Nagashima is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of crystallization processes, particularly in the formation of stable crystals of aspartame derivatives. With a total of 16 patents to his name, Nagashima's work has had a substantial impact on the industry.

Latest Patents

Nagashima's latest patents include innovative crystallization processes aimed at producing stable crystals of N-(3,3-dimethylbutyl)-APM. One of his notable inventions involves a crystallization process that utilizes either water or a mixture of water with a lower alcohol as the crystallizing solvent. This method controls the crystallization point to 30°C or above, ensuring the formation of stable crystals. Another patent details a method for preparing highly stable A-type crystals by maintaining specific temperature and humidity conditions, allowing for efficient crystal transitions.

Career Highlights

Throughout his career, Kazutaka Nagashima has been associated with Ajinomoto Co., Ltd., a leading company in the food and biotechnology sectors. His work has not only advanced the understanding of crystallization processes but has also contributed to the development of cost-effective methods for producing stable crystals.

Collaborations

Nagashima has collaborated with notable colleagues such as Tadashi Takemoto and Akihiro Kishishita. These partnerships have fostered innovation and have been instrumental in the successful development of his patented processes.

Conclusion

Kazutaka Nagashima's contributions to crystallization processes exemplify the importance of innovation in the field of food science and biotechnology. His patents reflect a commitment to advancing technology while ensuring cost-effectiveness in 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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