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For the Inventor, By the Inventor

Kanagawa, Japan

Tsutomu Okita

This inventor holds 93 USPTO granted patents, primarily in Magnetic Recording Media (CPC class 428900). Top assignees: Fuji Photo Film Company, Limited, Fuji Photo Co., Ltd., Fuji Photo Film, Inc.. Active years: 1980-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsutomu Okita. Retrieved from https://idiyas.com/inventor/tsutomu-okita

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

USPTO Granted Patents = 93

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 14

Forward Citations = 768(Granted Patents)

Forward Citations (Not Self Cited) = 686(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Fujinomiya, JP (1980 - 1984)
  • Kanagawa, JP (1984 - 1997)
  • Shizuoka, JP (1984 - 2001)
  • Odawara, JP (1987 - 2002)

Company Filing History:

goldMedal90 out of 16,458 
 
Fuji Photo Film Company, Limited
 patents
silverMedal1 out of 23 
 
Fuji Photo Co., Ltd.
 patents
bronzeMedal1 out of 28 
 
Fuji Photo Film, Inc.
 patents
4. 1 out of 377 
 
Japan Synthetic Rubber Co., Ltd.
 patents
5. 1 out of 72 
 
Toagosei Chemical Industry, Co., Ltd.
 patents
6. 1 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1980-2002

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Areas of Expertise:
Magnetic Recording Medium
Ferromagnetic Powder
Acrylic Copolymers
Protective Layer
Binder Resin
Thin Film
Lubricant Layer
Surface Treatment
Polyurethane Resin
Organic Silicone Compound
Fatty Acid
Vinyl-Chloride Resin
93 patents (USPTO):Explore Patents
1. 6376083 - Magnetic recording medium (2002-04-23),
2. 6191184 - Radiation-setting composition containing (meth)acrylic copolymers containing acid groups (2001-02-20),
3. 5908691 - Magnetic recording medium having a lower layer containing a specified (1999-06-01),
4. 5747157 - Magnetic recording medium (1998-05-05),
5. 5702821 - Magnetic recording medium comprising ferromagnetic powder and a (1997-12-30),
6. 5700541 - Magnetic recording medium (1997-12-23),
7. 5612134 - Magnetic recording medium having a carbon protective layer and a (1997-03-18),
8. 5607782 - Magnetic recording medium (1997-03-04),
9. 5578376 - Magnetic recording medium having a magnetic layer comprising a specified (1996-11-26),
10. 5567524 - Magnetic recording medium having a cobalt thin film magnetic layer, (1996-10-22),
11. 5560983 - Magnetic recording medium comprising a magnetic layer and a sub layer (1996-10-01),
12. 5525418 - Magnetic recording medium having a magnetic layer containing (1996-06-11),
13. 5496645 - Magnetic recording medium comprising a magnetic metallic thin film and a (1996-03-05),
14. 5492764 - Magnetic recording medium having a protective layer containing a (1996-02-20),
15. 5484661 - Magnetic recording medium having a polyvinyl alkyl binder resin (1996-01-16),

Title: Tsutomu Okita: Pioneering Inventor from Kanagawa

Introduction: Tsutomu Okita is a renowned inventor hailing from Kanagawa, Japan, known for his groundbreaking innovations in various fields.

Latest Patents: Tsutomu Okita holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous commitment to pushing the boundaries of innovation.

Career Highlights: With a career spanning over two decades, Tsutomu Okita has worked tirelessly to develop cutting-edge solutions that have revolutionized industries. His contributions to the field of robotics have earned him international recognition.

Collaborations: Throughout his career, Tsutomu Okita has collaborated with leading research institutions, universities, and tech companies to further his inventions. His ability to work in multidisciplinary teams has led to the creation of innovative and impactful technologies.

Conclusion: Tsutomu Okita's passion for innovation and his dedication to creating solutions that address real-world challenges make him a true visionary in the world of inventions. His work continues to inspire the next generation of inventors and researchers.

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]
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