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For the Inventor, By the Inventor

Amagasaki, Japan

Masaaki Hazue

This inventor holds 14 USPTO granted patents, plus 1 CIPO patent. Top assignees: Nihon Medi-Physics Company, Limited, Toyo Hakka Kogyo Co., Ltd., Sumitomo Chemical Company, Limited. Active years: 1981-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaaki Hazue. Retrieved from https://idiyas.com/inventor/masaaki-hazue

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

USPTO Granted Patents = 14

% Patents Active = 100.0


Average Co-Inventor Count = 3.1

ph-index = 8

Forward Citations = 148(Granted Patents)


Location History:

  • Mukomotomachi, JP (1981)
  • Hyogo, JP (1989)
  • Amagasaki, JP (1982 - 1995)

Company Filing History:

goldMedal13 out of 142 
 
Nihon Medi-Physics Company, Limited
 patents
silverMedal2 out of 2 
 
Toyo Hakka Kogyo Co., Ltd.
 patents
bronzeMedal1 out of 6,961 
 
Sumitomo Chemical Company, Limited
 patents
where one patent can have more than one assignee

Years Active: 1981-1995

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14 patents (USPTO):Explore Patents
1. 5384401 - Chemical product usable as a non-radioactive carrier (1995-01-24),
2. 5077389 - Chemical product usable as a non-radioactive carrier (1991-12-31),
3. 4996312 - Porphyrin derivatives, and their production and use (1991-02-26),
4. 4849207 - Porphyrin derivatives (1989-07-18),
5. 4666697 - Radioactive diagnostic agent (1987-05-19),
6. 4645660 - Increasing labeling efficiency by forming diagnostic agent in the (1987-02-24),
7. 4564472 - 3-Aminomethylene-2,4-pentanedione bis(thiosemicarbazone) derivatives, (1986-01-14),
8. 4556689 - Complex of biologically active protein with reactive high polymer having (1985-12-03),
9. 4489053 - Stable radioactive diagnostic agent and a non-radioactive carrier (1984-12-18),
10. 4474984 - 3-Aminomethylene-2,4-pentanedione bis(thiosemicarbazone) derivatives (1984-10-02),
11. 4440739 - Radioactive diagnostic agent and non-radioactive carrier therefor (1984-04-03),
12. 4439413 - Radioactive diagnostic agent for bone scanning and non-radioactive (1984-03-27),
13. 4313928 - Composition for labeling of red blood cells with radioactive technetium (1982-02-02),
14. 4256726 - .sup.99m Tc-Labeled radioactive diagnostic agent, and non-radioactive (1981-03-17),

Title: Masaaki Hazue: Innovator in Chemical Products

Introduction

Masaaki Hazue is a prominent inventor based in Amagasaki, Japan. He has made significant contributions to the field of chemical products, particularly in the development of non-radioactive carriers for diagnostic agents. With a total of 14 patents to his name, Hazue's work has had a notable impact on medical diagnostics.

Latest Patents

Among his latest patents is a chemical product that serves as a non-radioactive carrier. This innovative product comprises a polyformyl compound with at least three formyl groups per molecule, along with amino group-containing chelating compounds. The design allows for the bonding of radioactive metallic elements through chelating bonds, enhancing the efficacy of diagnostic agents. Another patent focuses on a similar chemical product, emphasizing the importance of the methyleneimine and methyleneamine linkages in the bonding process.

Career Highlights

Masaaki Hazue has worked with notable companies such as Nihon Medi-Physics Company, Limited and Toyo Hakka Kogyo Co., Ltd. His experience in these organizations has contributed to his expertise in the field of chemical innovations.

Collaborations

Throughout his career, Hazue has collaborated with esteemed colleagues, including Nobuo Ueda and Keietsu Takahashi. These partnerships have fostered a collaborative environment that has led to significant advancements in their respective fields.

Conclusion

Masaaki Hazue's contributions to the field of chemical products highlight his innovative spirit and dedication to advancing medical diagnostics. His patents and collaborations reflect a commitment to improving healthcare through scientific innovation.

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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