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For the Inventor, By the Inventor

Seattle, WA, United States of America

Yasuyuki Igarashi

USPTO Granted Patents = 15

Average Co-Inventor Count = 4.0

ph-index = 9

Forward Citations = 287(Granted Patents)


Company Filing History:

goldMedal9 out of 37 
 
The Biomembrane Institute
 patents
silverMedal5 out of 5 
 
Oncomembrane, Inc.
 patents
bronzeMedal1 out of 19 
 
Otsuka America Pharmaceutical, Inc.
 patents

Years Active: 1992-2000

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15 patents (USPTO):Explore Patents
1. 6031135 - Trimethylsphingosine derivatives (2000-02-29),
2. 5877167 - Method for inhibition of cell motility by sphingosine-1-phosphate and (1999-03-02),
3. 5827830 - Plasmalopsychosines and plasmalocerebrosides (1998-10-27),
4. 5693620 - Plasmalopsychosines and plasmalocerebrosides (1997-12-02),
5. 5677189 - Method for quantifying sphingosine and for diagnosing platelet activation (1997-10-14),
6. 5663404 - Sphingosine-1-phosphate essentially free of L-threo isomer (1997-09-02),
7. 5627171 - Sphingosine-1-phosphate/trimethylsphingosine composition (1997-05-06),
8. 5583160 - Methylsphingosine used to treat apoptosis (1996-12-10),
9. 5466716 - Liposomal trimethylsphingosine (1995-11-14),
10. 5391800 - Method for inhibition of cell motility by sphingosine-1-phosphate, its (1995-02-21),
11. 5331014 - Effect of N,N,N-trimethylsphingosine on protein kinase-C activity; (1994-07-19),
12. 5260288 - Method for inhibition of cell motility by sphingosine-1-phosphate and (1993-11-09),
13. 5248824 - Method of preparing N,N,N-trimethylsphingosine (1993-09-28),
14. 5151360 - Effect of N,N,N-trimethylsphingosine on protein kinase-C activity, (1992-09-29),
15. 5137919 - Effect of N,N,N,-trimethylsphingosine on protein kinase C activity (1992-08-11),

Title: Yasuyuki Igarashi: Innovator in Sphingosine Research

Introduction

Yasuyuki Igarashi is a prominent inventor based in Seattle, WA, known for his significant contributions to the field of sphingosine research. With a total of 15 patents to his name, Igarashi has made remarkable advancements in understanding and manipulating sphingosine derivatives for therapeutic applications.

Latest Patents

Among his latest patents, Igarashi has developed trimethylsphingosine derivatives, which possess some or all of the activities of the parent compound. Additionally, he has created a method for inhibiting cell motility by sphingosine-1-phosphate. This method includes various applications such as inhibiting tumor cell chemotactic motility and chemoinvasion, as well as reducing inflammation caused by neutrophil activity. Furthermore, he has described a method for preparing sphingosine-1-phosphate and its derivatives, showcasing his innovative approach to addressing complex biological challenges.

Career Highlights

Throughout his career, Yasuyuki Igarashi has worked with notable organizations, including the Biomembrane Institute and Oncomembrane, Inc. His work in these institutions has allowed him to explore the therapeutic potential of sphingosine derivatives and their role in cancer treatment and inflammation.

Collaborations

Igarashi has collaborated with esteemed colleagues, including Sen-Itiroh Hakomori, further enhancing the impact of his research in the scientific community.

Conclusion

Yasuyuki Igarashi's innovative work in sphingosine research has led to significant advancements in understanding cell motility and its implications for cancer therapy. His contributions continue to influence the field and pave the way for future discoveries.

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