Akikazu Mitsunobu

This inventor holds 4 USPTO granted patents. Top assignees: Nippon Kayaku Kabushiki Kaisha, Snow Brand Milk Products Co., Ltd.. Active years: 1986-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akikazu Mitsunobu. Retrieved from https://idiyas.com/inventor/akikazu-mitsunobu

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

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 4(Granted Patents)

Company Filing History:

3 out of 799

Nippon Kayaku Kabushiki Kaisha

patents

2 out of 200

Snow Brand Milk Products Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1986-1997

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5648507 - 14.alpha.-hydroxy-4-androstene-3,6,17-trione hydrate and process for (1997-07-15),

2. 5614651 - 14.alpha.-hydroxy-4-androstene-3,6,17-trione hydrate crystal and process (1997-03-25),

3. 4730076 - Process for producing .alpha.-aspartyl-phenylalanine ester (1988-03-08),

4. 4582928 - Process for producing optically active phenylalanine (1986-04-15),

Title: Akikazu Mitsunobu: Innovator in Biochemical Patents

Introduction

Akikazu Mitsunobu is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of biochemistry, particularly through his innovative patents. With a total of four patents to his name, Mitsunobu has focused on developing stable hydrate crystals with biological activity.

Latest Patents

Mitsunobu's latest patents include the development of 14.alpha.-hydroxy-4-androstene-3,6,17-trione hydrate. This compound exhibits a biological activity that inhibits the human placenta-originating estrodiene synthesis enzyme. The hydrate crystals he has created consist of two types, each characterized by distinct diffraction patterns observable in crystalline powder X-ray diffraction. Additionally, he has provided processes for producing these hydrate crystals, further enhancing their potential applications.

Career Highlights

Throughout his career, Akikazu Mitsunobu has worked with prominent companies such as Nippon Kayaku Co., Ltd. and Snow Brand Milk Products Co., Ltd. His experience in these organizations has contributed to his expertise in the field of biochemistry and patent development.

Collaborations

Mitsunobu has collaborated with notable coworkers, including Shigeru Aoki and Kazuo Ohtsuki. These partnerships have likely enriched his research and innovation efforts.

Conclusion

Akikazu Mitsunobu stands out as an influential inventor in the realm of biochemical patents. His work on hydrate crystals and their applications showcases his commitment to advancing scientific knowledge and 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]