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For the Inventor, By the Inventor

Tokyo, Japan

Yasuhiro Kasahara

This inventor holds 18 USPTO granted patents and 11 published patent applications and 6 EPO patents, primarily in Body Composition Measurement. Top assignees: Tanita Corporation, Dentsu Prox Inc., Ushio U-Tech Inc.. Active years: 1993-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuhiro Kasahara. Retrieved from https://idiyas.com/inventor/yasuhiro-kasahara

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

Calculating rank
USPTO Granted Patents = 18 

% Patents Active = 50.0

 

Average Co-Inventor Count = 2.1

ph-index = 4

Forward Citations = 85(Granted Patents)


Location History:

  • Asaka, JP (2013)
  • Tokyo, JP (1993 - 2023)

Company Filing History:

goldMedal17 out of 346 
 
Tanita Corporation
 patents
silverMedal1 out of 3 
 
Dentsu Prox Inc.
 patents
bronzeMedal1 out of 2 
 
Ushio U-Tech Inc.
 patents
where one patent can have more than one assignee

Years Active: 1993-2026

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Areas of Expertise:
In-Body Measurement
Ketone Body Estimation
Muscle Mass Estimation
Biological Gas Detection
Physical Condition Determination
Gas Measurement
Abdominal Obesity Index
Body Composition
Visceral Fat Measurement
Impedance Meter
Body Fat Measurement
Animal Health Care
18 patents (USPTO):Explore Patents
1. 12622596 - In-body measurement system, in-body measurement program, and computer-readale non-transitory storage medium (2026-05-12),
2. 11759123 - Ketone body concentration estimation device, method, and computer-readable storage medium (2023-09-19),
3. 11510609 - Muscle mass estimation method, muscle mass estimation device, and storage medium storing a muscle mass estimation program (2022-11-29),
4. 10670571 - Biological gas detection device, method, and computer-readable storage medium (2020-06-02),
5. 10509025 - Poor physical condition determination device, method, and recording medium stored with program (2019-12-17),
6. 10175247 - Physical change evaluation device, method, and recording medium stored with program (2019-01-08),
7. 9863932 - Gas measurement apparatus, gas measurement system, gas measurement method, and gas measurement program (2018-01-09),
8. 8585615 - Abdominal obesity index measuring apparatus (2013-11-19),
9. 8409115 - Body composition measuring apparatus (2013-04-02),
10. 7962205 - Human subject index estimation apparatus and method (2011-06-14),
11. 7925340 - Trunk visceral fat measuring method and apparatus, trunk skeletal muscle amount measuring apparatus, trunk subcutaneous fat measuring method and apparatus, and trunk visceral and subcutaneous fat measuring method and apparatus (2011-04-12),
12. 7594896 - Waist circumference calculation apparatus and body composition determination apparatus (2009-09-29),
13. 7440797 - Abdominal impedance based body composition meter (2008-10-21),
14. 7418291 - Body fat measuring device (2008-08-26),
15. 7184822 - Animal health care system (2007-02-27),

Title: Innovative Contributions of Yasuhiro Kasahara in Technology and Health

Introduction

Yasuhiro Kasahara, a prominent inventor based in Tokyo, Japan, has made significant strides in the fields of health technology and measurement devices. With an impressive portfolio of 17 patents, he has dedicated his career to developing innovations that enhance the management of personal health.

Latest Patents

Among his latest inventions are groundbreaking patents that focus on ketone body concentration estimation and muscle mass estimation. The **Ketone body concentration estimation device, method, and computer-readable storage medium** is a notable invention that allows for accurate estimation of acetone concentration in individuals. This device measures acetone excreted by the user and considers the elapsed time since the last meal to provide insights into the user's ketone body concentration based on stable blood sugar levels.

In addition, Kasahara has developed a **muscle mass estimation method, muscle mass estimation device, and a storage medium storing a muscle mass estimation program**. This innovative method utilizes the height of a living organism along with its electrical resistance values to compute muscle mass, showcasing the intersection of technology and health.

Career Highlights

Yasuhiro Kasahara’s career includes pivotal roles at renowned organizations. He has worked with Tanita Corporation, a leader in health and wellness technology, and Ushio U-tech Inc., which specializes in advanced measuring instruments. His experiences in these companies have bolstered his expertise in health technology innovations.

Collaborations

Throughout his career, Kasahara has collaborated with notable colleagues, including Miyuki Kodama and Naotaka Minagawa. Working alongside such talented individuals has contributed to the advancement of his innovative projects and patent developments.

Conclusion

Yasuhiro Kasahara's work exemplifies the spirit of innovation and dedication to improving health through technology. His inventions not only demonstrate his ingenuity but also promise to pave the way for future advancements in health monitoring and management. As he continues his journey as an inventor, the impact of his patents is sure to be felt across various fields, making him a noteworthy figure in the realm of modern invention.

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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