Junji Kunisawa

This inventor holds 50 USPTO granted patents and 5 published patent applications and 1 EPO patent, primarily in Substrate Processing. Top assignees: Ebara Corporation, Kabushiki Kaisha Toshiba, Hirata Corporation. Active years: 2003-2025.

USPTO Granted Patents = 50 (Patent Applications = 5)

% Patents Active = 82.0

EPO Patents = 1 (Patent Applications = 1)

Average Co-Inventor Count = 4.0

ph-index = 8

Forward Citations = 275(Granted Patents)

Forward Citations (Not Self Cited) = 242(Dec 10, 2025)

Location History:

Kanagawa, JP (2006)
Yamato, JP (2003 - 2007)
Kanagawa-ken, JP (2003 - 2008)
Tokyo, JP (2008 - 2024)

Company Filing History:

Kabushiki Kaisha Toshiba

International Business Machines Corporation

patents

5. 4 out of 834,350

Other

patents

where one patent can have more than one assignee

Years Active: 2003-2025

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Areas of Expertise:

Substrate Processing

Cleaning Apparatus

Liquid Supply

Electroplating

Polishing Device

Chemical Supply

Carrier Device

Jig Installation

Damper Control

Substrate Gripping

Electrolytic Processing

Plating Method

50 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12447449 - Chemical supply apparatus, cleaning system, and chemical supply method (2025-10-21),

2. 12208428 - Liquid supplying device and method for draining liquid thereof (2025-01-28),

3. 12140980 - Apparatus for supplying liquid, cleaning unit, and apparatus for processing substrate (2024-11-12),

4. 12053851 - Jig and installation method using same jig (2024-08-06),

5. 11967508 - Damper control system and damper control method (2024-04-23),

6. 11890652 - Cleaning chemical liquid supply device and cleaning chemical liquid supply method (2024-02-06),

7. 11664252 - Cleaning device, polishing device, and device and method for calculating rotation speed of substrate in cleaning device (2023-05-30),

8. 11532491 - Substrate cleaning apparatus, substrate processing apparatus, and method of cleaning substrate (2022-12-20),

9. 11426834 - Substrate processing apparatus, substrate processing method, substrate holding mechanism, and substrate holding method (2022-08-30),

10. 11380559 - Carrier device, work processing apparatus, control method of carrier device and storage medium storing program (2022-07-05),

11. 11103972 - Buff processing device and substrate processing device (2021-08-31),

12. 11056359 - Cleaning apparatus and substrate processing apparatus (2021-07-06),

13. 10926301 - Liquid supplying device and liquid supplying method (2021-02-23),

14. 10898987 - Table for holding workpiece and processing apparatus with the table (2021-01-26),

15. 10741423 - Substrate cleaning apparatus, substrate processing apparatus, and method of cleaning substrate (2020-08-11),

Title: Junji Kunisawa - Innovative Inventor from Tokyo

Introduction: Junji Kunisawa is a renowned inventor based in Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Junji Kunisawa holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Junji Kunisawa has worked with leading research institutions and tech companies in Japan, spearheading projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout his career, Junji Kunisawa has collaborated with top engineers, scientists, and designers both locally and internationally, fostering a culture of innovation and knowledge sharing that has led to numerous successful projects and inventions.

Conclusion: Junji Kunisawa's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a visionary inventor in Tokyo and beyond, inspiring the next generation of inventors to push the boundaries of what is possible in the world of technology.