Masao Tsuji

This inventor holds 51 USPTO granted patents, primarily in Coffee Appliances (CPC class D 73). Top assignee: North American Philips Corporation. Active years: 1977-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masao Tsuji. Retrieved from https://idiyas.com/inventor/masao-tsuji-c06wljdu

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

Calculating rank

USPTO Granted Patents = 51

% Patents Active = 100.0

Average Co-Inventor Count = 1.4

ph-index = 15

Forward Citations = 604(Granted Patents)

Forward Citations (Not Self Cited) = 589(Dec 10, 2025)

Inventors with similar research interests:

Location History:

North Plainfield, NJ (US) (1977 - 1981)
Old Lyme, CT (US) (1983 - 1992)

Company Filing History:

51 out of 950

North American Philips Corporation

patents

Years Active: 1977-1992

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Areas of Expertise:

Coffee Maker

Carafe

Blood Pressure Meter

Fabric Steamer

Travel Iron

Hand-held Vacuum Cleaner

Room Air Cleaner

Deep Fryer

Electric Knife Charger

Massaging Belt

Beauty Care Appliance

Can Opener

51 patents (USPTO):Sort by Forward CitationsExplore Patents

1. D326386 - Combined carafe and coffee maker (1992-05-26),

2. D326206 - Carafe (1992-05-19),

3. D319944 - Carafe (1991-09-17),

4. D319752 - Combined coffee maker and carafe (1991-09-10),

5. D319167 - Coffee maker (1991-08-20),

6. D317546 - Coffee maker (1991-06-18),

7. D307341 - Fabric steamer (1990-04-17),

8. D304410 - Coffee maker (1989-11-07),

9. D303480 - Electric coffee maker (1989-09-19),

10. D303245 - Charger base for a battery-operated mixer (1989-09-05),

11. D303065 - Handle for a mixer or the like (1989-08-29),

12. D302371 - Carafe (1989-07-25),

13. D300213 - Charger base for a battery operated electric knife (1989-03-14),

14. D300201 - Under-cabinet can opener (1989-03-14),

15. D298601 - Handle for an electric knife or the like (1988-11-22),

Title: The Innovative Journey of Masao Tsuji

Introduction: Masao Tsuji, a pioneering inventor based in Old Lyme, CT (US), has made significant contributions to the field of technology with his groundbreaking inventions and patents.

Latest Patents: Masao Tsuji holds several patents in various technological domains, including advancements in robotics, artificial intelligence, and renewable energy sources.

Career Highlights: Throughout his illustrious career, Masao Tsuji has been recognized for his innovative spirit and dedication to pushing the boundaries of technology. His inventions have revolutionized industries and improved the lives of many.

Collaborations: Masao Tsuji has collaborated with leading research institutions, universities, and tech companies to further develop and implement his inventions. His collaborative efforts have led to the creation of cutting-edge technologies that have shaped the future.

Conclusion: Masao Tsuji's passion for innovation and his relentless pursuit of technological advancement have solidified his reputation as a visionary inventor. His contributions to the world of technology continue to inspire and drive progress in various industries.

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]