Saitama, Japan

Hisashi Ishii

This inventor holds 1 USPTO granted patent. Top assignee: Nissan Chemical Corporation. Active years: 2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisashi Ishii. Retrieved from https://idiyas.com/inventor/hisashi-ishii-xcs2r28b

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


% Patents Active = 100.0

Average Co-Inventor Count = 6.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2019

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1 patent (USPTO):Explore Patents

Title: Hisashi Ishii: Innovator in Culture Medium Composition

Introduction

Hisashi Ishii is an accomplished inventor based in Saitama, Japan, recognized for his contributions to the field of biotechnology. With one patent to his name, Ishii has developed a significant innovation that aims to improve the methods used in producing culture medium compositions.

Latest Patents

Ishii's patent, titled "Method for producing culture medium composition," offers an innovative production method that addresses the challenges of removing divalent metal cations from polymer compounds that contain anionic functional groups. The invention outlines a process that includes preparing a dry powder of the polymer compound and mixing it with the medium, which enhances the quality and efficiency of culture mediums. Additionally, another aspect of the patent provides a purification method for the polymer compound. This method incorporates a suspension in water along with a cation exchanger, effectively reducing the contamination from divalent metal cations.

Career Highlights

Hisashi Ishii is associated with Nissan Chemical Corporation, a company renowned for its commitment to chemical innovation and product development. Within this organization, Ishii has played a crucial role in advancing research and development initiatives that push the boundaries of biotechnological applications.

Collaborations

Throughout his career, Ishii has collaborated closely with fellow researchers, including Misayo Otani and Koichiro Saruhashi. These collaborations highlight a collective effort in advancing knowledge and expertise in the field, allowing for innovative solutions and impactful developments in biotechnology.

Conclusion

Hisashi Ishii's achievements in developing a method for producing culture medium compositions underscore his dedication to innovation in the biotechnology sector. As a key contributor at Nissan Chemical Corporation, he continues to pave the way for future developments that can enhance biotechnological applications and research methodologies. His work exemplifies the importance of well-designed research and the impact it can have on various industries.

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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