logo

For the Inventor, By the Inventor

Hyogo, Japan

Tsuneo Yumikura

This inventor holds 12 USPTO granted patents. Top assignee: Mitsubishi Denki Kabushiki Kaisha. Active years: 1985-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsuneo Yumikura. Retrieved from https://idiyas.com/inventor/tsuneo-yumikura

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

Calculating rank
USPTO Granted Patents = 12

% Patents Active = 100.0

Average Co-Inventor Count = 5.3

ph-index = 7

Forward Citations = 114(Granted Patents)


Location History:

  • Amagasaki, JP (1988 - 1998)
  • Hyogo, JP (1985 - 1999)
  • Tokyo, JP (1998 - 2001)

Company Filing History:

goldMedal12 out of 21,351 
 
Mitsubishi Denki Kabushiki Kaisha
 patents

Years Active: 1985-2001

Loading Chart...
12 patents (USPTO):Explore Patents
1. 6192976 - Heat exchanger, refrigeration system, air conditioner, and method and apparatus for fabricating heat exchanger (2001-02-27),
2. 5964284 - Heat exchanger for air conditioner and method of fabricating the heat (1999-10-12),
3. 5822854 - Method of fabricating a heat exchanger for an air conditioner (1998-10-20),
4. 5806585 - Heat exchanger, refrigeration system, air conditioner, and method and (1998-09-15),
5. 5769157 - Heat exchanger and method of fabricating the heat exchanger (1998-06-23),
6. 5706887 - Air conditioner and heat exchanger used therefor (1998-01-13),
7. 5704421 - Air conditioner and heat exchanger used therefor (1998-01-06),
8. 5653106 - Exothermic heat generating apparatus (1997-08-05),
9. 5647431 - Air conditioner and heat exchanger used therefor (1997-07-15),
10. 4742869 - Heat and mass transfer device (1988-05-10),
11. 4651819 - Mass transfer heat exchanger (1987-03-24),
12. 4545217 - Steam generating and condensing apparatus (1985-10-08),

Title: Tsuneo Yumikura: Innovator in Heat Exchanger Technology

Introduction

Tsuneo Yumikura is a prominent inventor based in Hyogo, Japan. He has made significant contributions to the field of heat exchanger technology, holding a total of 12 patents. His innovative designs have advanced the efficiency and performance of air conditioning systems.

Latest Patents

Yumikura's latest patents include a heat exchanger, refrigeration system, and air conditioner. One notable invention is a method and apparatus for fabricating a heat exchanger. This design features a plurality of heat transfer tubes arranged at specific intervals, allowing an in-tube operating fluid, such as coolant, to pass through. The invention utilizes small-gage wires as heating fins, which are wound in a spiral manner around pairs of heat transfer tubes. This configuration not only enhances the heat transfer coefficient but also ensures a sufficient heating surface area while preventing clogging from moisture condensation.

Another significant patent is a heat exchanger specifically designed for air conditioners. This device comprises multiple heat-transfer tubes arranged in parallel, with heat-transfer fins formed by helically winding fine wires around these tubes. The innovative design allows for efficient heat exchange while maintaining a compact structure.

Career Highlights

Tsuneo Yumikura is associated with Mitsubishi Electric Corporation, where he has been instrumental in developing advanced air conditioning technologies. His work has led to the creation of high-performance heat exchangers that are both effective and space-saving.

Collaborations

Yumikura has collaborated with notable colleagues, including Michimasa Takeshita and Takayuki Yoshida. Their combined expertise has contributed to the successful development of innovative solutions in the field of heat exchangers.

Conclusion

Tsuneo Yumikura's contributions to heat exchanger technology have significantly impacted the efficiency of air conditioning systems. His innovative designs and patents reflect his dedication to advancing this essential technology.

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]
Loading…