Kazuo Tsubuko

This inventor holds 35 USPTO granted patents, primarily in Electrophotographic Development. Top assignees: Ricoh Company, Ltd., Research Laboratories of Australia Pty Ltd.. Active years: 1976-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuo Tsubuko. Retrieved from https://idiyas.com/inventor/kazuo-tsubuko

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

Calculating rank

USPTO Granted Patents = 35

% Patents Active = 88.6

Average Co-Inventor Count = 2.9

ph-index = 11

Forward Citations = 408(Granted Patents)

Location History:

Tokyo, J (1976)
Yokohama, JA (1976 - 1977)
Tokyo, JA (1978)
Namazu, JP (1981)
Tokyo, JP (1978 - 1982)
Shizuoka-ken, JP (2003)
Shizuoka, JP (2003 - 2005)
Numazu, JP (1981 - 2010)

Company Filing History:

Research Laboratories of Australia Pty Ltd.

patents

Years Active: 1976-2010

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Areas of Expertise:

Electrophotography

Liquid Developer

Image Formation

Toner Composition

Electrostatic Images

Vinyl Resin

Non-Aqueous Dispersion

Ink Composition

Wet Developing Method

Thermoplastic Preparation

Fluorine Copolymer

Heat Application Rollers

35 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7670742 - Recording material, toner, liquid developer and image forming method using the same (2010-03-02),

2. 7122287 - Electrophotographic liquid developer, image forming method and apparatus using the electrophotographic liquid developer (2006-10-17),

3. 6939655 - Liquid recording material (2005-09-06),

4. 6692881 - Recording liquid and image forming method using the recording liquid (2004-02-17),

5. 6620569 - Liquid recording material (2003-09-16),

6. 6522852 - Image forming process using wet developing method (2003-02-18),

7. 6447973 - Liquid developer for developing electrostatic image and image forming method (2002-09-10),

8. 6020103 - Liquid developer, method of producing the liquid developer and image (2000-02-01),

9. 5952048 - Ink composition and recording method using the same (1999-09-14),

10. 5851717 - Developer for use in electrophotography, and image formation method (1998-12-22),

11. 5759733 - Liquid developer for electrostatic electrophotography (1998-06-02),

12. 5189102 - Method for producing a vinyl resin using a silicon oil solvent (1993-02-23),

13. 5169739 - Liquid developer for image fixing method using heat application rollers (1992-12-08),

14. 5085965 - Negative toner for developing latent electrostatic images (1992-02-04),

15. 5061587 - Toner for electrophotography including fluorine contained graft copolymer (1991-10-29),

Title: Kazuo Tsubuko - Innovative Inventor from Numazu, Japan

Introduction: Kazuo Tsubuko is a renowned inventor hailing from Numazu, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Kazuo Tsubuko holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous innovation and forward-thinking approach.

Career Highlights: Throughout his illustrious career, Kazuo Tsubuko has worked with leading research institutions and universities to develop cutting-edge solutions that have revolutionized industries worldwide. His dedication to pushing the boundaries of technology has earned him recognition as a pioneer in the field of innovation.

Collaborations: Kazuo Tsubuko has collaborated with top companies and inventors globally, fostering a culture of creativity and excellence. His partnerships have led to the creation of transformative products and services that have had a lasting impact on society.

Conclusion: In conclusion, Kazuo Tsubuko's passion for innovation and his relentless pursuit of excellence have solidified his position as a visionary inventor, shaping the future of technology and inspiring generations to come.

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]