Mariko Shimizu

This inventor holds 58 USPTO granted patents and 17 published patent applications and 3 EPO patents, primarily in Magnetic Memory Devices (CPC class H01L). Top assignee: Kabushiki Kaisha Toshiba. Active years: 2010-2026.

USPTO Granted Patents = 58 (Patent Applications = 17)

% Patents Active = 94.8

EPO Patents = 3 (Patent Applications = 5)

Average Co-Inventor Count = 5.6

ph-index = 16

Forward Citations = 760(Granted Patents)

Forward Citations (Not Self Cited) = 671(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Kanagawa-ken, JP (2011 - 2013)
Kanagawa-ken, JM (2013)
Yokohama, JP (2010 - 2014)
Kawasaki, JP (2014 - 2015)
Ota Tokyo, JP (2015 - 2016)
Kawasaki Kanagawa, JP (2016 - 2019)
Kanagawa, JP (2017 - 2019)
Setagaya, JP (2019)
Nerima, JP (2018 - 2020)
Tokyo, JP (2014 - 2024)
Setagaya Tokyo, JP (2021 - 2024)

Company Filing History:

58 out of 53,240

Kabushiki Kaisha Toshiba

patents

Years Active: 2010-2026

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Areas of Expertise:

LIDAR Device

Light Detection System

Magnetic Memory

Magnetic Recording Head

Semiconductor Device

Magnetic Recording

Spin Torque Oscillator

Microwave-Assisted Recording

Magnetic Head Assembly

Storage Density

Magnetic Recording Device

58 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12717003 - Light detector, light detection system, LIDAR device, and mobile body (2026-08-25),

2. 12635265 - Light detector, light detection system, lidar device, and mobile body (2026-05-19),

3. 12142616 - Light detector, light detection system, LIDAR device, and mobile body (2024-11-12),

4. 12034091 - Light detector, light detection system, LIDAR device, and moving body (2024-07-09),

5. 12009442 - Light detector, light detection system, lidar device, and moving body (2024-06-11),

6. 11996419 - Light detector, light detection system, lidar device, mobile body, and vehicle (2024-05-28),

7. 11127895 - Magnetic memory device (2021-09-21),

8. 10811067 - Magnetic memory device with nonmagnetic layer between two magnetic layers (2020-10-20),

9. 10797229 - Magnetic memory device (2020-10-06),

10. 10580472 - Magnetic memory device (2020-03-03),

11. 10529399 - Magnetic memory device (2020-01-07),

12. 10510949 - Magnetic memory device and method for manufacturing the same (2019-12-17),

13. 10504574 - Magnetic memory device (2019-12-10),

14. 10490730 - Magnetic memory device with increased storage density (2019-11-26),

15. 10483459 - Magnetic memory (2019-11-19),

Title: The Innovations of Mariko Shimizu: Pioneering Light Detection Technologies

Introduction: Mariko Shimizu, an esteemed inventor from Kanagawa-ken, Japan, has made significant contributions to the field of light detection technologies. With a remarkable portfolio of 56 patents, Shimizu has demonstrated a consistent dedication to innovation in his work, particularly within his role at Toshiba Corporation.

Latest Patents: Among his latest patents, Shimizu has focused on advancements in light detectors and LIDAR devices. One embodiment of his inventions includes a light detector that comprises a plurality of elements and separation parts, utilizing various semiconductor regions to optimize performance. Another noteworthy patent involves a light detection system that features a first semiconductor layer and integrates different conductivity types to enhance light absorption and reflection capabilities.

Career Highlights: Mariko Shimizu's impressive career at Toshiba Corporation has been marked by his dedication to research and development in photonics and sensor technologies. His continuous pursuit of innovation has allowed him to emerge as a leading figure in the patent community, laying down foundational technologies that shape the future of light detection.

Collaborations: Throughout his career, Shimizu has collaborated with talented coworkers such as Kenichiro Yamada and Katsuhiko Koui. Together, they have contributed to novel technologies that leverage their individual expertise in semiconductor design and applications.

Conclusion: Mariko Shimizu’s remarkable achievements and numerous patents reflect his significant impact on the field of light detection technology. His innovations continue to influence advancements across various sectors, showcasing the essential role of inventors in driving technological progress.