Toyota, Japan

Hiroshi Oshitani



Average Co-Inventor Count = 4.1

ph-index = 10

Forward Citations = 305(Granted Patents)


Location History:

  • Toyoto, JP (2015)
  • Toyota, JP (2002 - 2020)
  • Kariya, JP (2019 - 2022)

Company Filing History:


Years Active: 2002-2025

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Areas of Expertise:
Vehicle Air Conditioner
Ejector Refrigeration Cycle
Refrigeration Cycle Device
Ejector Module
Expansion Valve
Dual Evaporator Unit
Integrated Refrigerant Cycle
Vapor Compression Cycle
Ejector Cycle System
Refrigerant Flow Adjustability
Ejector-Type Refrigerant Cycle
Refrigeration Cycle Component Assembly
44 patents (USPTO):Explore Patents

Title: Innovations of Hiroshi Oshitani: Pioneering Advances in Vehicle Air Conditioning

Introduction: Hiroshi Oshitani, based in Toyota, Japan, is an esteemed inventor with a remarkable portfolio of 44 patents. His innovative approaches to vehicle air conditioning systems have significantly contributed to automotive technology. Oshitani's latest inventions demonstrate a deep understanding of efficiency and vehicle dynamics, positioning him as a leading figure in automotive innovation.

Latest Patents: Among Hiroshi Oshitani's recent patents is a sophisticated vehicle air conditioner. This system features a controller that sets a target cooling temperature based on various operational states of the vehicle. The controller adjusts the compressor's operation according to both the actual and target cooling temperatures, ensuring optimal performance whether the vehicle is cruising or decelerating. Additionally, Oshitani has developed an ejector refrigeration cycle, which comprises a compressor, radiator, and multiple evaporators. This design enhances the efficiency of cooling by managing refrigerant temperatures across different evaporation stages, thereby improving the overall performance of refrigeration systems in vehicles.

Career Highlights: Oshitani has made significant contributions during his tenure at notable companies, including Denso Corporation and Nippon Soken, Inc. His work has focused on enhancing automotive air conditioning systems, making them more efficient and responsive to changing conditions. Through his innovative spirit and dedication to technology, he has reshaped the standards in automotive climate control.

Collaborations: Throughout his career, Hiroshi Oshitani has collaborated with other prominent figures in the field, including Hirotsugu Takeuchi and Yoshiaki Takano. These partnerships have facilitated the exchange of ideas and encouraged the development of advanced technologies in air conditioning systems, furthering the impact of their collective work.

Conclusion: Hiroshi Oshitani stands out as a significant inventor in the automotive industry, with a strong focus on vehicle air conditioning innovations. His latest patents reflect a commitment to enhancing vehicle comfort through advanced technology. As he continues to innovate, the automotive industry can anticipate further advancements that will redefine the standards of vehicle climate control.

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