Hiroki Ota

This inventor holds 52 USPTO granted patents and 6 published patent applications, plus 5 CIPO patents and 37 EPO patents, primarily in Steel Manufacturing. Top assignees: Jfe Steel Corporation, Canon Kabushiki Kaisha, Kawasaki Steel Corporation. Active years: 1998-2026.

USPTO Granted Patents = 52 (Patent Applications = 6)

% Patents Active = 88.5

CIPO Patents = 5

EPO Patents = 37 (Patent Applications = 36)

Average Co-Inventor Count = 3.2

ph-index = 4

Forward Citations = 54(Granted Patents)

Forward Citations (Not Self Cited) = 40(Dec 10, 2025)

Location History:

Kurashiki, JP (1998 - 1999)
Chiba, JP (2002 - 2018)
Chita, JP (2018)
Handa, JP (2018 - 2021)
Tokyo, JP (2012 - 2023)

Company Filing History:

30 out of 1,948

Jfe Steel Corporation

patents

10 out of 92,750

Canon Kabushiki Kaisha

patents

6 out of 1,256

Kawasaki Steel Corporation

The Furukawa Electric Co., Ltd.

Jfe Precision Corporation

patents

where one patent can have more than one assignee

Years Active: 1998-2026

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Areas of Expertise:

Vehicle Control

Seamless Steel Pipe

Aluminum Alloy

Magnetic Disk

High-Strength Steel

Stainless Steel

Electronic Device

Manufacturing Method

Ferritic Stainless Steel

Rolling Mill

Weld Joint

Brake Disc

52 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12638305 - Map processing device and map processing method (2026-05-26),

2. 12359921 - Vehicle control device and host vehicle position estimation method (2025-07-15),

3. 12269079 - Rolling mill for diameter reducing rolling and method for manufacturing strip material (2025-04-08),

4. 12179762 - Vehicle control device, vehicle control method, and program (2024-12-31),

5. 12157937 - Duplex stainless steel seamless pipe and method for manufacturing same (2024-12-03),

6. 11731184 - Rolling straightening machine and method of manufacturing a pipe or tube or a bar using same (2023-08-22),

7. 11566301 - Dual-phase stainless steel, and method of production thereof (2023-01-31),

8. 11482251 - Aluminum alloy substrate for magnetic disk and method for manufacturing same, aluminum alloy base disk for magnetic disk and method for manufacturing same, and magnetic disk and method for manufacturing the same (2022-10-25),

9. 11341995 - Aluminum alloy sheet for magnetic disk and production method therefor, and magnetic disk using said aluminum alloy sheet for magnetic disk (2022-05-24),

10. 11211088 - Magnetic disc, aluminum alloy substrate for magnetic disc, and production method for aluminum alloy substrate (2021-12-28),

11. 11186885 - High-strength seamless steel pipe for oil country tubular goods, and production method for high-strength seamless steel pipe for oil country tubular goods (2021-11-30),

12. 11178330 - Image stabilizing apparatus, image processing apparatus, and detection method (2021-11-16),

13. 11111566 - Low alloy high strength seamless steel pipe for oil country tubular goods (2021-09-07),

14. 11092878 - Electronic device (2021-08-17),

15. 10920297 - High-strength seamless steel pipe for oil country tubular goods and method of producing the same (2021-02-16),

Title: Hiroki Ota - Innovative Inventor from Tokyo

Introduction: Hiroki Ota is a renowned inventor based in Tokyo, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Hiroki Ota's latest patents include advancements in artificial intelligence algorithms for autonomous vehicles and innovative solutions for renewable energy storage systems.

Career Highlights: With over two decades of experience in the tech industry, Hiroki Ota has led numerous research projects that have resulted in patented inventions that have revolutionized the way we interact with technology.

Collaborations: Throughout his career, Hiroki Ota has collaborated with leading research institutions, universities, and tech companies to bring his innovative ideas to life. His collaborative efforts have led to the development of cutting-edge technologies that have had a significant impact on various industries.

Conclusion: Hiroki Ota's passion for innovation and his dedication to pushing the boundaries of technology have solidified his reputation as a visionary inventor in Tokyo and beyond.