Average Co-Inventor Count = 6.1

ph-index = 9

Forward Citations = 459(Granted Patents)

Location History:

Suginami, JP (1994)
Tokyo 168, JP (2000)
Tokyo, JP (1987 - 2004)

Company Filing History:

8 out of 255

Research Development Corporation of Japan

Tokyo Women's Medical College

patent

4. 1 out of 297

Nippon Oil Fats Co., Ltd.

patents

5. 1 out of 1

Amersham Pharmacia Biotech K.k.

Japan Science and Technology Corporation

patents

8. 1 out of 775

Nippon Kayaku Kabushiki Kaisha

patents

9. 2 out of 832,680

Other

patents

where one patent can have more than one assignee

Years Active: 1987-2004

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6706187 - Packing material for chromatography having novel characteristic and method for isolation of substance using the same (2004-03-16),

2. 6372141 - Method for separating PTH amino acids (2002-04-16),

3. 6294614 - Modified polymers containing poly(2-hydroxyethyl(meth)acrylate segment in the molecule (2001-09-25),

4. 6080396 - Anthracycline compound derivative and pharmaceutical preparation (2000-06-27),

5. 5693751 - Water soluble high molecular weight polymerized drug preparation (1997-12-02),

6. 5679765 - Polyether having heterofunctional groups at both ends, process for the (1997-10-21),

7. 5510103 - Physical trapping type polymeric micelle drug preparation (1996-04-23),

8. 5483008 - Polyether having heterofunctional groups at both ends, process for the (1996-01-09),

9. 5478575 - Polymers having benzeneboronic acid groups and insulin complexes of same (1995-12-26),

10. 5449513 - Physical trapping type polymeric micelle drug preparation (1995-09-12),

11. 5412072 - Water soluble high molecular weight polymerized drug preparation (1995-05-02),

12. 5284766 - Bed material for cell culture (1994-02-08),

13. 4873292 - Antithrombogenic synthetic polymer and process for its preparation (1989-10-10),

14. 4687831 - Antithrombogenic synthetic elastomer and process of preparation thereof (1987-08-18),

Title: Innovator Yasuhisa Sakurai: Pioneering Advances in Chromatography

Introduction: Yasuhisa Sakurai, a distinguished inventor based in Tokyo, Japan, is renowned for his contributions to the field of chromatography. With a prolific portfolio of 14 patents, Sakurai's innovative spirit has led to significant advancements in the separation and analysis of biological components, solidifying his reputation as a leading figure in scientific research.

Latest Patents: Among Sakurai's recent inventions are two notable patents. The first patent focuses on a packing material for chromatography that showcases a novel characteristic and method for the isolation of substances. This innovation enables efficient separation of biological components that cannot be effectively isolated using traditional methodologies, ensuring their activities are preserved. The second patent revolves around a method for separating PTH amino acids, which allows for high-sensitivity chromatographic analysis in a remarkably short time. Both patents utilize a packing system that can alter the hydrophilic/hydrophobic balance on the stationary phase surface through external stimuli while maintaining a stable mobile phase in an aqueous environment.

Career Highlights: Sakurai’s career features significant tenures at prominent organizations, including the Research Development Corporation of Japan. His work in these environments has fostered a culture of innovation and has played a crucial role in his development into an esteemed inventor within the scientific community.

Collaborations: Throughout his career, Yasuhisa Sakurai has collaborated with other notable figures such as Kazunori Kataoka and Masayuki Yokoyama. These partnerships have enriched his research endeavors, leading to enhanced methodologies and collaborative projects within the realm of chromatography.

Conclusion: Yasuhisa Sakurai's innovative contributions have markedly advanced the field of chromatography. His latest patents reflect a commitment to improving the efficiency and effectiveness of separation techniques for biological components. As a figure of inspiration for aspiring inventors and researchers, Sakurai continues to shape the future of scientific innovation through his work.

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