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For the Inventor, By the Inventor

Tochigi, Japan

Akihiro Tsurushima

This inventor holds 14 USPTO granted patents. Top assignee: Calsonic Kansei Corporation. Active years: 2001-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akihiro Tsurushima. Retrieved from https://idiyas.com/inventor/akihiro-tsurushima

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

USPTO Granted Patents = 14

% Patents Active = 85.7

Average Co-Inventor Count = 3.3

ph-index = 9

Forward Citations = 139(Granted Patents)


Location History:

  • Tochigi, JP (2001 - 2004)
  • Tokyo, JP (2001 - 2004)
  • Sano, JP (2013)

Company Filing History:

goldMedal14 out of 560 
 
Calsonic Kansei Corporation
 patents

Years Active: 2001-2013

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14 patents (USPTO):Explore Patents
1. 8555667 - Air conditioner for vehicle (2013-10-15),
2. 6814138 - Air conditioning apparatus for vehicle (2004-11-09),
3. 6814137 - Automotive air conditioner (2004-11-09),
4. 6659167 - Door mechanism of automotive air conditioning device (2003-12-09),
5. 6609563 - Vehicular air conditioning apparatus including a detachably installed mix door assembly (2003-08-26),
6. 6450877 - Door mechanism of automotive air conditioning device (2002-09-17),
7. 6450246 - Automotive air conditioner (2002-09-17),
8. 6354935 - Mix door driving mechanism for use in automotive air conditioner (2002-03-12),
9. 6351961 - Automotive air conditioner (2002-03-05),
10. 6347988 - Slide door unit for use in automotive air conditioner (2002-02-19),
11. D452556 - Apertured air conditioner panel with movable door (2001-12-26),
12. D450824 - Slide door to change over the air path in an air conditioner (2001-11-21),
13. 6305462 - Door mechanism of automobile air conditioner (2001-10-23),
14. 6270400 - Door mechanism for automobile air conditioner (2001-08-07),

Title: Akihiro Tsurushima: Innovator in Automotive Air Conditioning Technology

Introduction

Akihiro Tsurushima is a prominent inventor based in Tochigi, Japan. He has made significant contributions to the field of automotive air conditioning, holding a total of 14 patents. His innovative designs focus on improving air distribution and temperature control within vehicles.

Latest Patents

Among his latest patents is an air conditioner for vehicles, which features a draft duct divided into three passages. Each passage is equipped with air mix doors that distribute air into warm and cool air passages at a predetermined ratio. The air mix doors are driven by first slide systems with drive gears that mesh with racks, supported by shafts. Another notable patent is for an automotive air conditioner that partitions the downstream side air passage into multiple independent small air passages. Each passage can independently condition air to desired temperatures, with doors that are driven in a slidable fashion.

Career Highlights

Throughout his career, Akihiro Tsurushima has worked with notable companies such as Calsonic Kansei Corporation and Calsonic Dansei Corporation. His work has significantly advanced the technology used in automotive air conditioning systems, making them more efficient and user-friendly.

Collaborations

He has collaborated with talented individuals in the industry, including Katsuhiro Kurokawa and Masaharu Onda. These collaborations have contributed to the development of innovative solutions in automotive technology.

Conclusion

Akihiro Tsurushima's contributions to automotive air conditioning technology demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of air distribution systems, making a lasting impact on the industry.

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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