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Masako Yudasaka

USPTO Granted Patents = 19 (Patent Applications = 3)

EPO Patents = 3

Average Co-Inventor Count = 3.4

ph-index = 4

Forward Citations = 85(Granted Patents)

Location History:

Tsukuba, JP (2007)
Tokyo, JP (2001 - 2014)
Minato-ku, JP (2012 - 2016)
Ibaraki, JP (2005 - 2023)

Company Filing History:

Japan Science and Technology Agency

National Institute of Advanced Industrial Science and Technology

patents

5. 1 out of 6

Fuchita Nanotechnology Ltd.

patents

6. 1 out of 4,296

Daikin Industries, Ltd.

where one patent can have more than one assignee

Years Active: 2001-2025

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19 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12257324 - Semiconductor SWCNT slurry for bioimaging and method for inspecting the same (2025-03-25),

2. 11696688 - Semiconductor SWCNT slurry for bioimaging and method for producing the same (2023-07-11),

3. 9399579 - Substance-encapsulating carbon nanohorn aggregate and process for producing the same (2016-07-26),

4. 8882970 - Apparatus and method for manufacturing carbon nanohorns (2014-11-11),

5. 8835006 - Carbon nanohorn carried material and process for producing carbon nanotube (2014-09-16),

6. 8202817 - Nanocarbon aggregate and method for manufacturing the same (2012-06-19),

7. 8119094 - Fluorine storage material (2012-02-21),

8. 8093174 - Catalyst-supporting carbon nanohorn composite and process for producing same (2012-01-10),

9. 8084505 - Substance-containing carbon nanohorn composite having polyamine plug and process for producing the same (2011-12-27),

10. 8007908 - Single walled carbon nanohorn adsorptive material and method for production thereof (2011-08-30),

11. 7803346 - Method of selecting structure of carbon nanotube through photoirradiation (2010-09-28),

12. 7537786 - Complex of drug-carbon nanohorn and a process for producing the complex (2009-05-26),

13. 7501024 - Carbon nanohorn producing device and carbon nanohorn producing method (2009-03-10),

14. 7323246 - Nano horn carrier and method of manufacturing the carrier (2008-01-29),

15. 7261941 - Sharp end, multi-layer carbon nano-tube radial aggregate and method of manufacturing the aggregate (2007-08-28),

Title: **Masako Yudasaka: Innovator in Semiconductor Technology**

Introduction

Masako Yudasaka is a prominent inventor based in Ibaraki, Japan, recognized for his significant contributions to the field of semiconductor technology. With a remarkable portfolio of 19 patents, Yudasaka has been at the forefront of innovations that advance bioimaging techniques and enhance the capabilities of semiconductor materials.

Latest Patents

Among his most recent patents are:

1. **Semiconductor SWCNT Slurry for Bioimaging and Method for Inspecting the Same**

This invention focuses on a method of inspection that identifies slurries with abnormal accumulations in advance. It includes a semiconductor single-walled carbon nanotube (SWCNT) slurry that is oxidized by direct ultraviolet irradiation. The inspection method employs multiple techniques including absorption spectroscopy and photoluminescence to confirm the physical properties of SWCNTs.

2. **Semiconductor SWCNT Slurry for Bioimaging and Method for Producing the Same**

This patent provides a low-toxicity SWCNT slurry for bioimaging, designed to minimize aggregation and avoid clogging blood vessels when administered to living organisms. The formulation comprises semiconductor SWCNTs with an average particle size of less than 10 nm and utilizes an amphiphilic dispersant to enhance stability.

Career Highlights

Yudasaka's career includes notable positions at leading organizations such as NEC Corporation and the Japan Science and Technology Agency. His work at these institutions has allowed him to collaborate with other researchers and drive innovative projects in nanotechnology.

Collaborations

Masako Yudasaka has worked alongside esteemed colleagues such as Sumio Iijima and Ryota Yuge. Their joint efforts have led to groundbreaking advancements in the application of SWCNTs in various scientific domains.

Conclusion

Masako Yudasaka's pioneering patents and collaborative efforts highlight his invaluable role in the advancement of semiconductor technology. His dedication to developing innovative bioimaging solutions demonstrates the potential of nanotechnology in enhancing healthcare and scientific research.

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