Keishi Saito

This inventor holds 60 USPTO granted patents, plus 1 CIPO patent and 1 EPO patent, primarily in Photovoltaic Technology (CPC class 1362). Top assignees: Canon Kabushiki Kaisha, Tokyo Institute of Technology, Pioneer Electronic Corporation. Active years: 1982-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keishi Saito. Retrieved from https://idiyas.com/inventor/keishi-saito

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 60

% Patents Active = 93.3

CIPO Patents = 1

EPO Patents = 1 (Patent Applications = 3)

Average Co-Inventor Count = 3.3

ph-index = 15

Forward Citations = 4,838(Granted Patents)

Forward Citations (Not Self Cited) = 4,806(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Shiga, JP (1989 - 1990)
Nabari, JP (1987 - 1992)
Soraku, JP (1995)
Kyoto, JP (1996)
Nagahama, JP (1988 - 1997)
Soraku-gun, JP (1997)
Saitama-ken, JP (1998)
Kyoto-fu, JP (1996 - 2002)
Nara, JP (1997 - 2003)
Nara-ken, JP (2006)
Tokyo, JP (1982 - 2020)

Company Filing History:

57 out of 92,994

Canon Kabushiki Kaisha

patents

4 out of 591

Tokyo Institute of Technology

patents

3 out of 2,861

Pioneer Electronic Corporation

patents

where one patent can have more than one assignee

Years Active: 1982-2020

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Areas of Expertise:

Ultrasonic Probe

Photoacoustic System

Image Pickup Device

Semiconductor Element

Photovoltaic Element

Electroluminescent Display

Sputtering

Thin-Film Transistor

Defect Compensation

Photoelectric Conversion

Non-Monocrystalline Silicon

Microcrystalline Grains

60 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10561396 - Ultrasonic probe, and photoacoustic-ultrasonic system and inspection object imaging apparatus including the ultrasonic probe (2020-02-18),

2. 9693753 - Ultrasonic probe, and photoacoustic-ultrasonic system and inspection object imaging apparatus including the ultrasonic probe (2017-07-04),

3. 9689974 - Image forming method using ultrasound and aberration correction method (2017-06-27),

4. 8997571 - Ultrasonic probe, and photoacoustic-ultrasonic system and inspection object imaging apparatus including the ultrasonic probe (2015-04-07),

5. 8084743 - Sensor and image pickup device (2011-12-27),

6. 7733015 - Organic electroluminescent display device having a planarizing layer and manufacturing method thereof (2010-06-08),

7. 7700165 - Method of forming deposited film and method of forming photovoltaic element (2010-04-20),

8. 7663116 - Sensor and image pickup device (2010-02-16),

9. 7604928 - Patterning method and methods for producing electro-optic device, color filter, illuminant, and thin-film transistor (2009-10-20),

10. 7535010 - Sensor and image pickup device (2009-05-19),

11. 7453065 - Sensor and image pickup device (2008-11-18),

12. 7001460 - Semiconductor element and its manufacturing method (2006-02-21),

13. 6635899 - Semiconductor element having microcrystalline grains and manufacturing method thereof (2003-10-21),

14. 6483021 - Stacked photovoltaic element (2002-11-19),

15. 6379994 - Method for manufacturing photovoltaic element (2002-04-30),

Title: Keishi Saito: Pioneering Inventor from Tokyo

Introduction: Keishi Saito is a renowned inventor hailing from the vibrant city of Tokyo, Japan. With a passion for innovation and a keen eye for technological advancements, Saito has made significant contributions to the field of patents and inventions.

Latest Patents: Saito's latest patents include groundbreaking designs in the field of robotics and artificial intelligence, showcasing his forward-thinking approach to technology. These patents have solidified his reputation as a trailblazer in the industry.

Career Highlights: Throughout his illustrious career, Keishi Saito has been instrumental in developing cutting-edge solutions for complex technological challenges. His innovative spirit and dedication to pushing the boundaries of what is possible have earned him recognition on a global scale.

Collaborations: Saito has collaborated with leading research institutions and tech companies to bring his inventions to life. His ability to work seamlessly in multidisciplinary teams has led to the successful implementation of several groundbreaking projects.

Conclusion: Keishi Saito's relentless pursuit of innovation and his unwavering commitment to excellence continue to inspire aspiring inventors worldwide. His impact on the field of technology is undeniable, and his legacy is sure to endure for generations to come.

Profile summary based on public USPTO records.