Akio Yamada

This inventor holds 116 USPTO granted patents and 3 published patent applications, plus 1 CIPO patent and 10 EPO patents, primarily in Electron Beam Technology (CPC class 2504922). Top assignees: Fujitsu Corporation, Adv Antest Corporation, Ddk Ltd.. Active years: 1979-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akio Yamada. Retrieved from https://idiyas.com/inventor/akio-yamada

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

USPTO Granted Patents = 116 (Patent Applications = 3)

% Patents Active = 87.1

CIPO Patents = 1 (Patent Applications = 2)

EPO Patents = 10 (Patent Applications = 11)

Average Co-Inventor Count = 2.8

ph-index = 16

Forward Citations = 1,075(Granted Patents)

Forward Citations (Not Self Cited) = 1,030(Dec 10, 2025)

Inventors with similar research interests:

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Location History:

Ogaki City, Gifu-ken, JP (1979)
Kasasaki, JP (1991)
Chigasaki, JP (1996)
Kawasaki, JP (1990 - 2001)
Higashikurume-shi, Tokyo JP (2003)
Utsunomiya, JP (1990 - 2008)
Zama, JP (2006 - 2008)
Koto-ku, JP (2008)
Noda, JP (2009)
Tokyo, JP (1979 - 2018)
Gunma, JP (2018 - 2020)
Kanagawa, JP (2001 - 2022)
Saitama, JP (2017 - 2022)

Company Filing History:

Adv Antest Corporation

Morinaga Milk Industry Co., Ltd.

patents

6. 4 out of 46

Daiichi Denshi Kogyo Kabushiki Kaisha

Bunker Ramo Corporation

Ishikawajima-Harima Heavy Industries Co., Ltd.

patents

12. 4 out of 834,513

Other

patents

where one patent can have more than one assignee

Years Active: 1979-2022

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Areas of Expertise:

Electron Beam Exposure

Charged Particle Beam

Exposure Method

Information Processing

Three-Dimensional Shaping

Video Processing

Electrical Connector

Cancer Therapy

116 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11324784 - Sleep-promoting composition, and medical composition and food beverage composition using said sleep-promoting composition (2022-05-10),

2. 11229971 - Three-dimensional laminating and shaping apparatus and laminating and shaping method (2022-01-25),

3. 10919105 - Three-dimensional laminating and shaping apparatus and laminating and shaping method (2021-02-16),

4. 10573491 - Device, manufacturing method, and exposure apparatus (2020-02-25),

5. 10256074 - Exposure apparatus and exposure method (2019-04-09),

6. 10115127 - Information processing system, information processing method, communications terminals and control method and control program thereof (2018-10-30),

7. 10083813 - Multicolumn charged particle beam exposure apparatus (2018-09-25),

8. 9977337 - Exposure apparatus and exposure method (2018-05-22),

9. 9859099 - Exposure apparatus and exposure method (2018-01-02),

10. 9824860 - Charged particle beam exposure apparatus and method of manufacturing semiconductor device (2017-11-21),

11. 9799489 - Exposure apparatus (2017-10-24),

12. 9792528 - Information processing system, information processing method, information processing apparatus and control method and control program thereof, and communication terminal and control method and control program thereof (2017-10-17),

13. 9754169 - Information processing system, information processing method, information processing device and control method and control program thereof, and communication terminal and control method and control program thereof (2017-09-05),

14. 9734988 - Exposure apparatus and exposure method (2017-08-15),

15. 9684245 - Exposure apparatus (2017-06-20),

Title: Innovations and Contributions of Akio Yamada in the Field of Sleep Science and 3D Technology

Introduction

Akio Yamada, a prolific inventor based in Tokyo, Japan, holds an impressive portfolio of 116 patents. His contributions primarily focus on advancements in sleep technology and three-dimensional (3D) manufacturing processes. Yamada's work exemplifies the innovative spirit and dedication to improving quality of life through science and technology.

Latest Patents

Among his latest patents, Yamada developed a novel sleep-promoting composition. This innovative formulation incorporates specific bacteria as an active ingredient, aimed at enhancing sleep quality by prolonging both non-REM and REM sleep phases. The sleep-promoting composition not only extends total sleep time but also minimizes spontaneous behaviors during sleep and reduces instances of waking. Additionally, it addresses the challenges of daytime wakefulness, making it a valuable addition to both medical and food and beverage applications.

Another significant patent involves a state-of-the-art three-dimensional laminating and shaping apparatus. This device is designed to utilize an electron beam for precision output and deflection towards a powder layer. With features like an ammeter to measure current values, the apparatus can detect melting within the powder layer and adjust the electron beam accordingly. This technology showcases Yamada's commitment to advancing manufacturing methods through innovation.

Career Highlights

Akio Yamada has made notable strides in his career, having worked with reputable companies such as Fujitsu Corporation and Advantest Corporation. His experience in these organizations has greatly enriched his knowledge and skill set in the realms of technology and innovation.

Collaborations

Throughout his career, Yamada has collaborated with fellow innovators such as Hiroshi Yasuda and Kiichi Sakamoto. These partnerships have likely fostered a collaborative environment that encourages the cross-pollination of ideas and advancements in their respective fields.

Conclusion

Akio Yamada's inventions reflect his dedication to enhancing well-being and driving technological progress. His work on sleep-promoting compositions and 3D shaping technologies signifies significant contributions to both health and manufacturing sectors. As he continues to innovate, Yamada remains a pivotal figure in the landscape of modern science and technology.

Profile summary based on public USPTO records.