Takayuki Yamaji

This inventor holds 14 USPTO granted patents and 24 published patent applications, plus 1 CIPO patent and 3 EPO patents. Top assignees: Fujitsu Corporation, Fujitsu Media Devices Limited. Active years: 2007-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takayuki Yamaji. Retrieved from https://idiyas.com/inventor/takayuki-yamaji

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

USPTO Granted Patents = 14 (Patent Applications = 24)

% Patents Active = 28.6

CIPO Patents = 1 (Patent Applications = 1)

EPO Patents = 3 (Patent Applications = 24)

Average Co-Inventor Count = 1.3

ph-index = 2

Forward Citations = 7(Granted Patents)

Location History:

Kawasaki, JP (2017)
Yokahama, JP (2021)
Yokohama, JP (2007 - 2023)

Company Filing History:

Fujitsu Media Devices Limited

patents

where one patent can have more than one assignee

Years Active: 2007-2023

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11660045 - Computer-readable recording medium recording display program for determining length of first time period before sleep onset, display method for determining length of first time period before sleep onset, and information processing device for determining length of first time period before sleep onset (2023-05-30),

2. 11647946 - Computer-readable recording medium recording display program, display method, and information processing device (2023-05-16),

3. 11191480 - Device for biorhythm detection, method for biorhythm detection, and recording medium recording program for biorhythm detection (2021-12-07),

4. 11166664 - Information processing device, information processing method, and recording medium (2021-11-09),

5. 11135109 - Bed with an arm and sensor assembly (2021-10-05),

6. 11051753 - Information processing method and information processing apparatus (2021-07-06),

7. 10667758 - Sensor information processing apparatus (2020-06-02),

8. 10563879 - Air conditioner, sensor unit, and control system (2020-02-18),

9. 10325387 - Method and apparatus for displaying states (2019-06-18),

10. 10201316 - Method and apparatus for displaying states (2019-02-12),

11. 10156460 - Sensor mounting bracket (2018-12-18),

12. 9782127 - Photoelectric sphygmograph measurement device (2017-10-10),

13. 9782087 - Heart rate estimating apparatus and method (2017-10-10),

14. 7233219 - Balanced output filter having specified package input and output ground metal patterns (2007-06-19),

Title: **Innovative Contributions of Takayuki Yamaji in Sleep Environment Technologies**

Introduction

Takayuki Yamaji, based in Yokohama, Japan, is a noteworthy inventor with a remarkable portfolio of 14 patents. His work primarily focuses on enhancing sleep environments through the integration of technology, aimed at optimizing sleep quality for individuals.

Latest Patents

Among his latest patented innovations are several groundbreaking technologies for determining the length of time before sleep onset. These include a computer-readable recording medium that captures a display program designed to analyze data from a sensor installed in a subject's sleeping environment. The program is capable of visualizing a sleep zone, a first zone before sleep onset, and a second zone after awakening, thereby providing valuable insights into the suitability of the space for optimal sleep. Additional patents involve methodologies for evaluating the sleep environment's quality around sunrise and sunset, adjusting criteria based on real-time data to deliver a comprehensive overview of changes in suitability.

Career Highlights

Yamaji’s career has been marked by significant contributions to technical advancements in the industry. He has been affiliated with prominent companies such as Fujitsu Corporation and Fujitsu Media Devices Limited, where he honed his expertise and developed several innovative solutions aimed at improving user experiences in various technological fields.

Collaborations

Throughout his career, Takayuki Yamaji has collaborated with talented professionals, including Shogo Inoue and Motoyuki Tajima. These collaborations have enabled him to expand his knowledge and explore new dimensions in the realm of technology and innovation.

Conclusion

Takayuki Yamaji stands out as a leading inventor in the field of sleep technologies, driving innovation that seeks to enhance the quality of life through improved sleep environments. His patents represent a significant leap in understanding and optimizing conditions for restful sleep, proving his dedication to addressing modern challenges with innovative solutions.

Profile summary based on public USPTO records.