Masashi Ogawa

This inventor holds 85 USPTO granted patents and 1 published patent application and 1 EPO patent, primarily in Ink Jet Technology (CPC class 2041828). Top assignees: Canon Kabushiki Kaisha, Fuji Photo Film Company, Limited, Nec Corporation. Active years: 1983-2026.

USPTO Granted Patents = 85 (Patent Applications = 1)

% Patents Active = 80.0

EPO Patents = 1

Average Co-Inventor Count = 3.0

ph-index = 19

Forward Citations = 925(Granted Patents)

Forward Citations (Not Self Cited) = 884(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Minami-Ashigara, JP (1985 - 1986)
Saitama, JP (1988 - 1999)
Kaisei-machi, JP (2002)
Asaka, JP (1985 - 2003)
Kanagawa-ken, JP (2003 - 2006)
Kanagawa, JP (1983 - 2007)
Mishima, JP (2008)
Minato-ku, JP (2011)
Kawasaki, JP (2000 - 2014)
Tokyo, JP (2001 - 2023)

Company Filing History:

36 out of 92,842

Canon Kabushiki Kaisha

patents

36 out of 16,458

Fuji Photo Film Company, Limited

Director of the Finance Division Minister's Secretariat Science and

patents

5. 1 out of 1

Fuji Photo Film C., Ltd.

Nagano Keiki Co., Ltd.

patents

8. 1 out of 834,411

Other

patents

Years Active: 1983-2026

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Areas of Expertise:

Ink Jet Printing

Ink Tank

Power Supply Circuit

Board Design

Liquid Discharge Head

Semiconductor Circuit

DNA Chip

Immunoassay

Biochemical Analysis

Simulation Model

Liquid Container

Design Support

85 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12623463 - Piezoelectric pump, liquid discharge head, and liquid discharge apparatus (2026-05-12),

2. 11573144 - Pressure detector with improved deterioration protection (2023-02-07),

3. 9830420 - Support device, design support method, and program (2017-11-28),

4. 9536033 - Board design method and board design device (2017-01-03),

5. 8935644 - Printed substrate design system, and printed substrate design method (2015-01-13),

6. 8840220 - Ink jet printing apparatus and ink tank (2014-09-23),

7. 8819613 - Power supply circuit design system and power supply circuit design method (2014-08-26),

8. 8740362 - Ink tank (2014-06-03),

9. 8657396 - Ink jet printing apparatus (2014-02-25),

10. D696720 - Ink tank for printer (2013-12-31),

11. D696719 - Ink tank for printer (2013-12-31),

12. D696718 - Ink tank for printer (2013-12-31),

13. 8485642 - Ink tank and ink supply system (2013-07-16),

14. 8020978 - Cartridge for ink jet recording and method for producing the same (2011-09-20),

15. 7962320 - Method, apparatus and program for creating a power pin model of a semiconductor integrated circuit (2011-06-14),

Title: The Innovative Journey of Masashi Ogawa

Introduction: Masashi Ogawa is a pioneering inventor hailing from Kawasaki, Japan, known for his groundbreaking contributions to the field of technology and innovation.

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

Career Highlights: With a career spanning over two decades, Masashi Ogawa has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant technological breakthroughs in various industries.

Collaborations: Throughout his career, Masashi Ogawa has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge exchange that has been instrumental in his success as an inventor.

Conclusion: Masashi Ogawa's relentless pursuit of innovation and his passion for creating cutting-edge technologies have solidified his reputation as a visionary inventor in the global tech community.