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For the Inventor, By the Inventor

Tsuruga, Japan

Masanori Oka

This inventor holds 8 USPTO granted patents. Top assignees: Toyo Boseki Kabushiki Kaisha, Takuma Co., Ltd.. Active years: 1997-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masanori Oka. Retrieved from https://idiyas.com/inventor/masanori-oka

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

USPTO Granted Patents = 8

% Patents Active = 50.0

Average Co-Inventor Count = 4.5

ph-index = 2

Forward Citations = 55(Granted Patents)


Location History:

  • Tsuruga, JP (1997 - 2009)
  • Fukui, JP (2009)

Company Filing History:

goldMedal8 out of 789 
 
Toyo Boseki Kabushiki Kaisha
 patents
silverMedal1 out of 22 
 
Takuma Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1997-2009

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8 patents (USPTO):Explore Patents
1. 7618800 - Glycerol kinase, which has high resistance against preservative (2009-11-17),
2. 7479383 - Modified pyrroloquinoline quinone (PQQ) dependent glucose dehydrogenase excellent in substrate specificity (2009-01-20),
3. 7476525 - Modified pyrroloquinoline quinone (PQQ) dependent glucose dehydrogenase with superior substrate specificity and stability (2009-01-13),
4. 7384739 - Compositions for enhancing DNA synthesis, DNA polymerase-related factors and utilization thereof (2008-06-10),
5. 7229812 - Modified sarcosine oxidase, process for producing the same and reagent composition using the same (2007-06-12),
6. 7211409 - Standard compound for immunoassay for dioxin and method of immunoassay for dioxin (2007-05-01),
7. 6867012 - Determination method of biological component and reagent kit used therefor (2005-03-15),
8. 5627065 - DNA fragment containing a gene encoding creatinine amidohydrolase (1997-05-06),

Title: Innovator Masanori Oka: Advancements in Glycerol Kinase and Glucose Dehydrogenase

Introduction

Masanori Oka is a notable inventor hailing from Tsuruga, Japan, known for his contributions in biochemistry. With a total of eight patents to his name, Oka has significantly impacted the fields of enzyme technology and metabolic engineering.

Latest Patents

Among Oka's latest innovations is a glycerol kinase characterized by high resistance against preservatives. This patent includes the isolation of a gene from *sp. JCM2471*, which encodes a new glycerol kinase. Additionally, it describes a method for producing this enzyme through a gene recombination technique. The innovative process involves culturing a transformant that has been prepared by introducing the recombinant vector into a host cell, followed by the collection of the resulting glycerol kinase.

Another significant patent involves a modified pyrroloquinoline quinone (PQQ) dependent glucose dehydrogenase (PQQGDH). This invention enhances substrate specificity and improves specific activity in systems utilizing ferricyanide ions as mediators. The advancement is achieved by introducing amino acid mutations and modifying the amino acid sequence to surpass the efficacy of the wild type enzyme.

Career Highlights

Oka has contributed his expertise to esteemed companies, including Toyo Boseki Kabushiki Kaisha and Takuma Co., Ltd. Throughout his career, Oka has demonstrated remarkable ingenuity in the development of biochemical solutions that foster advancements in various industries.

Collaborations

Masanori Oka has collaborated with talented professionals such as Atsushi Sogabe and Takahide Kishimoto. These partnerships have led to significant advancements and innovations in the biotechnology sector.

Conclusion

Masanori Oka's inventive spirit and dedication to biochemistry have resulted in breakthroughs in enzyme technology. His work on glycerol kinase and glucose dehydrogenase not only showcases his talent as an inventor but also contributes to the broader field of biochemistry, promising future advancements and applications.

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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