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For the Inventor, By the Inventor

Tokyo, Japan

Kazuhiro Chiba

This inventor holds 20 USPTO granted patents and 4 published patent applications and 4 EPO patents, primarily in Organic Synthesis. Top assignees: Jitsubo Co., Ltd., Nec Corporation, Fujimoto Chemicals Co., Ltd.. Active years: 1999-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuhiro Chiba. Retrieved from https://idiyas.com/inventor/kazuhiro-chiba

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

USPTO Granted Patents = 20 

% Patents Active = 80.0

 

Average Co-Inventor Count = 2.4

ph-index = 6

Forward Citations = 115(Granted Patents)


Location History:

  • Musashono, JP (2013)
  • Fuchu, JP (2012 - 2014)
  • Musashino, JP (2014)
  • Tokyo, JP (1999 - 2020)

Company Filing History:

goldMedal8 out of 10 
 
Jitsubo Co., Ltd.
 patents
silverMedal7 out of 36,718 
 
Nec Corporation
 patents
bronzeMedal2 out of 2 
 
Fujimoto Chemicals Co., Ltd.
 patents
4. 2 out of 1,329 
 
Japan Science and Technology Agency
 patents
5. 1 out of 1 
 
Fujimoto Chemicals Co., Ltd.
 patent

Years Active: 1999-2026

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Areas of Expertise:
Alkoxyphenyl Derivatives
Oligonucleotides
Cross-Linked Peptides
Organic Compounds
Peptide Synthesis
Wireless Communication
Noise Reduction
Semiconductor Devices
Image Pickup
Phase Separation
20 patents (USPTO):Explore Patents
1. 12747262 - Alkoxyphenyl derivatives, protected nucleosides and protected nucleotides, method for producing oligonucleotides, and method for removing substituents (2026-09-29),
2. 12735446 - Alkoxyphenyl derivatives, protected nucleosides and protected nucleotides, method for producing oligonucleotides, and method for removing substituents (2026-09-15),
3. 12209106 - Alkoxyphenyl derivatives, protected nucleosides and protected nucleotides, method for producing oligonucleotides, and method for removing substituents (2025-01-28),
4. 10654891 - Cross-linked peptides containing non-peptide cross-linked structure, method for synthesizing cross-linked peptides, and novel organic compound used in method (2020-05-19),
5. 10633418 - Cross-linked peptides containing non-peptide cross-linked structure, method for synthesizing cross-linked peptides, and novel organic compound used in method (2020-04-28),
6. 9376467 - Cross-linked peptides containing non-peptide cross-linked structure, method for synthesizing cross-linked peptides, and novel organic compound used in method (2016-06-28),
7. 9365615 - Cross-linked peptides containing non-peptide cross-linked structure, method for synthesizing cross-linked peptides, and novel organic compound used in method (2016-06-14),
8. 9284348 - Method for synthesis of peptide using a carrier (2016-03-15),
9. 8865475 - Method of reacting two-phase solution changing in phase state with temperature change and apparatus for practicing the same (2014-10-21),
10. 8633298 - Carrier for separation, method for separation of compound, and method for synthesis of peptide using the carrier (2014-01-21),
11. 8344103 - Compatible-multiphase organic solvent system (2013-01-01),
12. 8293948 - Reagent for organic synthesis and method of organic synthesis reaction with the reagent (2012-10-23),
13. 8093435 - Reagent for organic synthesis and method of organic synthesis reaction with the reagent (2012-01-10),
14. D598906 - Wireless communication terminal (2009-08-25),
15. D595281 - Wireless communication terminal (2009-06-30),

Title: Kazuhiro Chiba: Innovator in Oligonucleotide Synthesis

Introduction

Kazuhiro Chiba is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of oligonucleotide synthesis, holding a total of 18 patents. His work focuses on developing innovative methods and compounds that enhance the efficiency of oligonucleotide production.

Latest Patents

Chiba's latest patents include advancements in alkoxyphenyl derivatives, protected nucleosides, and protected nucleotides. One of his notable inventions relates to a quicker liquid phase synthesis method for oligonucleotides compared to prior art. This invention includes a compound represented by a specific general formula, which facilitates the synthesis process. Additionally, he has developed a method for selectively removing substituents from these compounds. Another significant patent involves cross-linked peptides containing a novel non-peptide cross-linked structure, along with a method for synthesizing these peptides. This innovation allows for the design and modification of cross-links in a flexible manner.

Career Highlights

Throughout his career, Kazuhiro Chiba has worked with notable companies such as Jitsubo Co., Ltd. and NEC Corporation. His experience in these organizations has contributed to his expertise in the field of biochemistry and molecular biology.

Collaborations

Chiba has collaborated with talented individuals in his field, including Yusuke Kono and Katsuya Hirano. These partnerships have likely fostered innovation and the exchange of ideas, further enhancing his contributions to science.

Conclusion

Kazuhiro Chiba's work in oligonucleotide synthesis and related compounds showcases his innovative spirit and dedication to advancing scientific knowledge. His numerous patents reflect his commitment to improving synthesis methods and developing novel compounds.

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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