Hiroki Oka

This inventor holds 35 USPTO granted patents and 7 published patent applications and 5 EPO patents, primarily in Vapor Deposition Masks. Top assignees: Sony Corporation, Dai Nippon Printing Co., Ltd., Daicel Corporation. Active years: 1994-2026.

USPTO Granted Patents = 35 (Patent Applications = 7)

% Patents Active = 91.4

EPO Patents = 5 (Patent Applications = 8)

Average Co-Inventor Count = 1.5

ph-index = 11

Forward Citations = 271(Granted Patents)

Location History:

Tokyo-To, JP (2007)
Tokyo, JP (1994 - 2024)

Company Filing History:

Dai Nippon Printing Co., Ltd.

Nippon Telegraph and Telephone Corporation

Years Active: 1994-2026

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Areas of Expertise:

Vapor Deposition Masks

Metal Plate

Manufacturing Method

Electronic Device

Inspection Method

Evaluation Apparatus

Production Method

Abnormal Irregularity

Projector

Video Camera

Portable Recorder

Disc Player

35 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12650671 - Abnormal irregularity cause identifying device, abnormal irregularity cause identifying method, and abnormal irregularity cause identifying program (2026-06-09),

2. 12591233 - Abnormal irregularity cause identifying device, abnormal irregularity cause identifying method, and abnormal irregularity cause identifying program (2026-03-31),

3. 12540385 - Production method for metal plates for vapor deposition masks (2026-02-03),

4. 12227823 - Metal plate for producing vapor deposition masks, production method for metal plates, vapor deposition mask, production method for vapor deposition mask, and vapor deposition mask device comprising vapor deposition mask (2025-02-18),

5. 12117727 - Metal plate for manufacturing deposition mask and manufacturing method for metal plate, and deposition mask and manufacturing method for deposition mask (2024-10-15),

6. 11983495 - Evaluation apparatus and evaluation method (2024-05-14),

7. 11939659 - Deposition mask group, manufacturing method of electronic device, and electronic device (2024-03-26),

8. 11733607 - Metal plate for producing vapor deposition masks, inspection method for metal plates, production method for metal plates, vapor deposition mask, vapor deposition mask device, and production method for vapor deposition masks (2023-08-22),

9. 11732361 - Metal plate for manufacturing deposition mask, method for manufacturing metal plate, deposition mask and method for manufacturing deposition mask (2023-08-22),

10. 11667983 - Method for manufacturing metal plate (2023-06-06),

11. 11649539 - Deposition mask group, manufacturing method of electronic device, and electronic device (2023-05-16),

12. 11566316 - Deposition mask group, manufacturing method of electronic device, and electronic device (2023-01-31),

13. 11237481 - Metal plate for manufacturing deposition mask and manufacturing method for metal plate, and deposition mask and manufacturing method for deposition mask (2022-02-01),

14. D736301 - Projector (2015-08-11),

15. D623166 - Portable recorder (2010-09-07),

Title: Hiroki Oka - Innovative Inventor from Tokyo

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

Latest Patents: Hiroki Oka holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his diverse expertise and innovative mindset.

Career Highlights: With over two decades of experience in the industry, Hiroki Oka has worked with leading research institutions and tech companies to develop cutting-edge solutions that have revolutionized the way we interact with technology.

Collaborations: Throughout his career, Hiroki Oka has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of innovation and creativity in all his projects.

Conclusion: Hiroki Oka's passion for pushing the boundaries of technology and his relentless pursuit of excellence make him a true pioneer in the world of inventions and innovations.