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For the Inventor, By the Inventor

Yokohama, Japan

Takashi Kiyota

This inventor holds 11 USPTO granted patents. Top assignees: Nippon Oil Company, Other. Active years: 1977-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Kiyota. Retrieved from https://idiyas.com/inventor/takashi-kiyota

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

USPTO Granted Patents = 11

% Patents Active = 100.0

Average Co-Inventor Count = 3.1

ph-index = 5

Forward Citations = 93(Granted Patents)


Location History:

  • Yokohama, JA (1977)
  • Tokyo, JP (2001)
  • Yokohama, JP (1993 - 2003)

Company Filing History:

goldMedal9 out of 690 
 
Nippon Oil Company
 patents
silverMedal2 out of 834,513 
Other
 patents

Years Active: 1977-2003

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11 patents (USPTO):Explore Patents
1. 6506317 - Cooling medium for optical equipment and cooling device using the same (2003-01-14),
2. 6191330 - Traction drive fluid (2001-02-20),
3. 5858761 - Bacteria for production of carotenoids (1999-01-12),
4. 5607839 - Bacteria belonging to new genus process for production of carotenoids (1997-03-04),
5. 5591343 - Process for extraction of carotenoids from bacterial cells (1997-01-07),
6. 5565357 - Process for production of canthaxanthin (1996-10-15),
7. 5496709 - Process for production of canthaxanthin (1996-03-05),
8. 5338418 - Process for production of hydroxocobalamin (1994-08-16),
9. 5229281 - Process for production of optically active 3-methyladipic acid from (1993-07-20),
10. 5217887 - Process for production of (R) methylsuccinic acid from squalene using (1993-06-08),
11. 4017355 - Process for treating latices (1977-04-12),

Title: Innovator Takashi Kiyota: Pioneering Solutions in Cooling Technology

Introduction

Takashi Kiyota is a prominent inventor based in Yokohama, Japan, known for his innovative contributions to cooling solutions in optical equipment. With a formidable portfolio of 11 patents, Kiyota has made significant advancements that address critical challenges in thermal management.

Latest Patents

Among his latest inventions, Kiyota developed a groundbreaking cooling medium for optical equipment. This cooling medium is designed to maintain optical clarity while being flame retardant. It consists of a cyclic aliphatic hydrocarbon with specific cross-linking properties, ensuring that it does not dissolve or swell plastics used in lens construction. This cooling medium exhibits a flash point of 120°C or above and a melting point of -20°C or below.

Another notable patent by Kiyota is the traction drive fluid, which encompasses innovative compounds that enhance the efficacy of drive systems. These saturated polycyclic hydrocarbon compounds play a crucial role in improving the performance and longevity of various devices.

Career Highlights

Throughout his career, Takashi Kiyota has been affiliated with reputable organizations, including Nippon Oil Company. His work has significantly contributed to the development of more efficient and reliable cooling technologies.

Collaborations

Kiyota has collaborated with notable professionals in his field, such as Akira Tsubokura and Hisashi Yoneda. These partnerships have fostered an environment of shared knowledge and innovation, leading to the successful completion of several impactful projects.

Conclusion

Takashi Kiyota stands out as an inventive force in the realm of cooling technology. His patents not only highlight his ingenuity but also reinforce the importance of creating solutions that push the boundaries of current technological capabilities. Through his work, Kiyota continues to pave the way for future advancements in optical and thermal management systems.

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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