Motohiko Tsubota

This inventor holds 12 USPTO granted patents. Top assignees: Fuji Photo Film Company, Limited, National Patent Development Corporation. Active years: 1976-1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Motohiko Tsubota. Retrieved from https://idiyas.com/inventor/motohiko-tsubota

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

USPTO Granted Patents = 12

% Patents Active = 100.0

Average Co-Inventor Count = 2.9

ph-index = 3

Forward Citations = 29(Granted Patents)

Location History:

Minami-ashigara, JA (1976 - 1978)
Minami-ashigara, JP (1979 - 1984)
Kanagawa, JP (1978 - 1986)

Company Filing History:

12 out of 16,458

Fuji Photo Film Company, Limited

patents

1 out of 51

National Patent Development Corporation

patents

where one patent can have more than one assignee

Years Active: 1976-1986

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12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4619889 - Image forming method (1986-10-28),

2. 4542086 - Color diffusion transfer element with hydroquinone type compound (1985-09-17),

3. 4495270 - Color diffusion transfer photographic element (1985-01-22),

4. 4486528 - Color diffusion transfer photographic element with redox dye releasers (1984-12-04),

5. 4429031 - Color diffusion transfer photographic element (1984-01-31),

6. 4267250 - Color diffusion transfer photographic element (1981-05-12),

7. 4178182 - Color diffusion-transfer photographic element (1979-12-11),

8. 4124394 - Color diffusion transfer photographic materials with sulfone color (1978-11-07),

9. 4069048 - Diffusion transfer photographic materials with color developer scavenger (1978-01-17),

10. 4054456 - Diazo photographic materials containing 2-hydroxy 3-naphthanilide coupler (1977-10-18),

11. 4032349 - High molecular weight mercapto compound in color diffusion transfer (1977-06-28),

12. 3930862 - Dye developer transfer photosensitive material with substituted catechol (1976-01-06),

Title: Inventor Motohiko Tsubota

Introduction: Motohiko Tsubota is a renowned inventor based in Kanagawa, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Motohiko Tsubota holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his innovative mindset and forward-thinking approach.

Career Highlights: With a career spanning over two decades, Tsubota has worked with leading research institutions and universities to develop cutting-edge solutions that have revolutionized industries worldwide.

Collaborations: Throughout his career, Motohiko Tsubota has collaborated with top companies, banks, and tech giants to bring his inventions to the market, solidifying his reputation as a visionary inventor.

Conclusion: Motohiko Tsubota's passion for innovation and his relentless pursuit of excellence have established him as a key figure in the world of inventions, inspiring future generations of inventors to push the boundaries of what is possible.

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]