Akihiko Ohtsu

This inventor holds 27 USPTO granted patents and 17 published patent applications and 12 EPO patents, primarily in Semiconductor Manufacturing. Top assignees: Fujifilm Corporation, Fujifilm Business Innovation Corp.. Active years: 2016-2026.

USPTO Granted Patents = 27 (Patent Applications = 17)

% Patents Active = 96.3

EPO Patents = 12 (Patent Applications = 5)

Average Co-Inventor Count = 3.3

ph-index = 2

Forward Citations = 17(Granted Patents)

Location History:

Minamiashigara, JP (2016)
Shizuoka-ken, JP (2019)
Kanagawa, JP (2021 - 2023)
Ashigara-kami-gun, JP (2018 - 2024)
Ashigarakami-gun, JP (2024)

Company Filing History:

Fujifilm Business Innovation Corp.

patents

where one patent can have more than one assignee

Years Active: 2016-2026

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Areas of Expertise:

Semiconductor Device

Chemical Solution

Soundproof Structure

Silencing System

Acoustic System

Ventilation Duct

Protective Film

Electromagnetic Cloaking

Touch Panel Sensor

Blower

Resist Composition

Template Production

27 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12669476 - Method of manufacturing semiconductor device, method of washing semiconductor manufacturing apparatus, and method of measuring cleanliness of washing solution (2026-06-30),

2. 12494400 - Method for inspecting chemical solution, method for producing chemical solution, method for controlling chemical solution, method for producing semiconductor device, method for inspecting resist composition, method for producing resist composition, method for controlling resist composition, and method for checking contamination status of semiconductor manufacturing apparatus (2025-12-09),

3. 12474086 - Silencing device and air supply system (2025-11-18),

4. 12067963 - Soundproof structure body (2024-08-20),

5. 12006953 - Blower with silencer (2024-06-11),

6. 11976673 - Blower with silencer (2024-05-07),

7. 11869470 - Acoustic system (2024-01-09),

8. 11841163 - Silencing system (2023-12-12),

9. 11835253 - Silencing system (2023-12-05),

10. 11795974 - Blower with silencer and moving object with propeller (2023-10-24),

11. 11682374 - Soundproof structure body (2023-06-20),

12. 11636839 - Soundproof structure body (2023-04-25),

13. 11580948 - Soundproof system (2023-02-14),

14. 11543152 - Ventilation duct line assembly and apparatus (2023-01-03),

15. 11536411 - Silencing tubular structure body (2022-12-27),

Title: Akihiko Ohtsu: Pioneering Inventor from Ashigarakami-gun, Japan

Introduction: Akihiko Ohtsu is a renowned inventor hailing from Ashigarakami-gun, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Akihiko Ohtsu holds several patents in the areas of semiconductor technology, optical devices, and nanotechnology, showcasing his continuous commitment to pushing the boundaries of scientific advancement.

Career Highlights: With a career spanning over three decades, Akihiko Ohtsu has worked tirelessly to develop cutting-edge technologies that have revolutionized various industries. His innovative spirit and dedication have earned him recognition as a trailblazer in the world of invention.

Collaborations: Throughout his career, Akihiko Ohtsu has collaborated with leading research institutions, universities, and technology companies to further his research and bring his inventions to life. His collaborative efforts have led to the development of groundbreaking technologies that have had a lasting impact on society.

Conclusion: Akihiko Ohtsu's passion for innovation and his relentless pursuit of technological advancement have solidified his reputation as a visionary inventor. His contributions to the world of science and technology continue to inspire future generations of inventors and researchers.