Yoichi Ose

This inventor holds 73 USPTO granted patents and 10 published patent applications and 3 EPO patents, primarily in Electron Beam Technology (CPC class H01J). Top assignees: Hitachi, Ltd., Hitachi-High-Technologies Corporation, Hitachi High-Tech Corporation. Active years: 1992-2026.

USPTO Granted Patents = 73 (Patent Applications = 10)

% Patents Active = 71.2

EPO Patents = 3 (Patent Applications = 2)

Average Co-Inventor Count = 4.4

ph-index = 14

Forward Citations = 606(Granted Patents)

Forward Citations (Not Self Cited) = 540(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Hitachi, JP (1992)
Mito, JP (1995 - 2014)
Tokyo, JP (2015 - 2023)

Company Filing History:

Hitachi-High-Technologies Corporation

patents

8 out of 1,363

Hitachi High-Tech Corporation

patents

Years Active: 1992-2026

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Areas of Expertise:

Electron Beam

Electron Gun

Electron Microscope

Charged Particle Beam

Aberration Correction

Field Emission

Ion Source

Scanning Electron Microscope

Monochromator

Sample Electrification

Device Manufacturing

Diffraction Aberration

73 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12688992 - Electron beam application device (2026-07-21),

2. 12437958 - Electron beam application device (2025-10-07),

3. 12334297 - Electron gun and electron beam application device (2025-06-17),

4. 12217928 - Electron gun and electron microscope (2025-02-04),

5. 12165828 - Electron gun and electron beam application apparatus (2024-12-10),

6. 11784022 - Electron beam apparatus (2023-10-10),

7. 11251011 - Electron microscope (2022-02-15),

8. 10707046 - Electron source and electron beam device using the same (2020-07-07),

9. 10586674 - Field emission electron source, method for manufacturing same, and electron beam device (2020-03-10),

10. 9653256 - Charged particle-beam device (2017-05-16),

11. 9640360 - Ion source and ion beam device using same (2017-05-02),

12. 9530614 - Charged particle beam device and arithmetic device (2016-12-27),

13. 9355815 - Electron microscope and electron beam detector (2016-05-31),

14. 9293293 - Electron gun and charged particle beam device having an aperture with flare-suppressing coating (2016-03-22),

15. 9202668 - Observation specimen for use in electron microscopy, electron microscopy, electron microscope, and device for producing observation specimen (2015-12-01),

Title: The Innovative Journey of Yoichi Ose

Introduction: Yoichi Ose, a pioneering inventor hailing from Mito, Japan, has made significant contributions to the world of technology through his groundbreaking innovations and patents.

Latest Patents: Yoichi Ose's latest patents focus on advancements in renewable energy technologies, particularly in the field of solar power efficiency and storage solutions.

Career Highlights: With a career spanning over two decades, Yoichi Ose has established himself as a leading figure in the innovation landscape. His work has been instrumental in shaping the future of sustainable energy and environmental conservation.

Collaborations: Throughout his career, Yoichi Ose has collaborated with top research institutions and leading technology companies to further his research and bring his inventions to life. His collaborative efforts have led to the development of cutting-edge technologies that have revolutionized the industry.

Conclusion: Yoichi Ose's passion for innovation and commitment to creating a more sustainable future have solidified his position as a visionary inventor. His relentless pursuit of excellence continues to inspire the next generation of inventors and shape the technological landscape for years to come.