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For the Inventor, By the Inventor

Kyoto, Japan

Tsutomu Nakamura

This inventor holds 13 USPTO granted patents and 1 published patent application and 7 EPO patents. Top assignees: Kaken Pharmaceutical Company, Ltd., Toray Industries, Inc., Arkray, Inc.. Active years: 1980-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsutomu Nakamura. Retrieved from https://idiyas.com/inventor/tsutomu-nakamura-7qqeee0v

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

USPTO Granted Patents = 13 

% Patents Active = 92.3

 

Average Co-Inventor Count = 3.1

ph-index = 4

Forward Citations = 59(Granted Patents)


Location History:

  • Ohtsu, JP (1980)
  • Kusatsu, JP (2001)
  • Kyoto, JP (1993 - 2015)

Company Filing History:

goldMedal8 out of 136 
 
Kaken Pharmaceutical Company, Ltd.
 patents
silverMedal4 out of 3,586 
 
Toray Industries, Inc.
 patents
bronzeMedal3 out of 570 
 
Arkray, Inc.
 patents
4. 1 out of 1 
 
Kakenyaku Kako Kabushiki Kaisha
 patent
where one patent can have more than one assignee

Years Active: 1980-2015

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13 patents (USPTO):Explore Patents
1. 8999662 - Method for producing dry reagent, dry reagent, and analysis tool using same (2015-04-07),
2. 8815531 - Dry test strip and method for measuring creatinine (2014-08-26),
3. 8784748 - Dry test strip for measuring calcium (2014-07-22),
4. 6376671 - 2-sulfamoylbenzoic acid derivatives (2002-04-23),
5. 6255321 - 2-sulfamoylbenzoic acid derivatives (2001-07-03),
6. 6232343 - Ophthalmic preparations (2001-05-15),
7. 6048890 - Phenylamidinothiophene derivatives and anti-inflammatory agent (2000-04-11),
8. 5852050 - Preparation for treating wounds or hemorrhoids (1998-12-22),
9. 5679707 - Preparation for treating wounds or hemorrhoids (1997-10-21),
10. 5514652 - Therapy of respiratory tract diseases using basic fibroblast growth (1996-05-07),
11. 5403867 - Preparation for treating wounds or hemorrhoids (1995-04-04),
12. 5190959 - Piperidine compounds which have useful pharmaceutical activity (1993-03-02),
13. 4234570 - Proteinic active substances (1980-11-18),

Title: Tsutomu Nakamura: Innovator in Dry Reagents and Analytical Tools

Introduction

Tsutomu Nakamura is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of analytical chemistry, particularly in the development of dry reagents and measurement tools. With a total of 13 patents to his name, Nakamura's work has advanced the precision of quantitative analysis in liquid samples.

Latest Patents

Nakamura's latest patents include a method for producing dry reagents and an analysis tool utilizing these reagents. His innovative dry reagent allows for precise measurement of nicotinamide coenzyme levels through a transmission method that employs ultraviolet light. This reagent is designed to quantify specific components in liquid samples effectively. Another notable patent is a dry test strip for measuring creatinine, which features a multi-layered design that enhances the accuracy and efficiency of the measurement process.

Career Highlights

Throughout his career, Tsutomu Nakamura has worked with esteemed companies such as Kaken Pharmaceutical Company, Ltd. and Toray Industries, Inc. His experience in these organizations has contributed to his expertise in developing advanced analytical tools and reagents.

Collaborations

Nakamura has collaborated with notable colleagues, including Motoyuki Yajima and Mitsuru Watanuki. These partnerships have fostered innovation and the sharing of ideas in the field of analytical chemistry.

Conclusion

Tsutomu Nakamura's contributions to the development of dry reagents and analytical tools have significantly impacted the field of quantitative analysis. His innovative patents and collaborations highlight his dedication to advancing technology in this area.

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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