Tochigi, Japan

Takumi Ijichi

This inventor holds 2 USPTO granted patents. Top assignee: Calsonic Kansei Corporation. Active years: 2001-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takumi Ijichi. Retrieved from https://idiyas.com/inventor/takumi-ijichi

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


% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 2

Forward Citations = 19(Granted Patents)


Company Filing History:


Years Active: 2001-2002

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2 patents (USPTO):Explore Patents

Title: The Innovations of Takumi Ijichi

Introduction

Takumi Ijichi is a notable inventor based in Tochigi, Japan. He has made significant contributions to the field of automotive air conditioning technology. With a total of 2 patents to his name, Ijichi's work focuses on enhancing the efficiency and performance of air conditioning systems in vehicles.

Latest Patents

Ijichi's latest patents include innovative designs for door mechanisms in automotive air conditioning devices. One of his patents describes a sliding type mix door, which is strategically arranged in a limited space between the upstream air passage, where an evaporator is installed, and the downstream air passage, where a heater core is located. This design utilizes a cam groove to guide the door, ensuring that a seal member bonded to the door is pressed against a contacting member only when the door is in the closed position. This mechanism allows for smoother operation and improves sealing and temperature control performance.

Another patent by Ijichi presents a similar sliding type mix door mechanism for automobile air conditioners, emphasizing the compact construction of the unit while enhancing its operational efficiency.

Career Highlights

Throughout his career, Takumi Ijichi has worked with prominent companies in the automotive industry, including Calsonic Dansei Corporation and Calsonic Kansei Corporation. His experience in these organizations has contributed to his expertise in developing innovative solutions for automotive air conditioning systems.

Collaborations

Ijichi has collaborated with notable colleagues such as Akihiro Tsurushima and Katsuhiro Kurokawa. Their combined efforts have led to advancements in automotive technology, particularly in air conditioning systems.

Conclusion

Takumi Ijichi's contributions to automotive air conditioning technology through his patents demonstrate his commitment to innovation and efficiency. His work continues to influence the industry, paving the way for improved vehicle comfort and performance.

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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