Konan, Japan

Takeo Iijima


Average Co-Inventor Count = 2.1

ph-index = 6

Forward Citations = 81(Granted Patents)


Location History:

  • Konan, JP (1984 - 1988)
  • Saitama, JP (1987 - 1991)

Company Filing History:


Years Active: 1984-1991

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7 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Takeo Iijima

Introduction: Takeo Iijima, a distinguished inventor based in Konan, Japan, has made significant contributions to the field of compressor technology. With a portfolio of seven patents, his inventions focus on enhancing the efficiency and functionality of variable capacity compressors used in heat-exchange circuits. Iijima's innovations reflect a commitment to improving mechanical designs that meet the needs of modern applications.

Latest Patents: Takeo Iijima's latest patents include two notable designs aimed at optimizing compressor performance. The first is a **Variable Capacity Compressor** that integrates a pressure responsive valve within the communication passageway between a low-pressure chamber and a pressure-controlled chamber. This design effectively manages pressure variations to ensure that the compressor operates efficiently, even when the low-pressure chamber experiences fluctuations. Iijima's second patent, the **Variable Capacity Wobble Plate Compressor**, employs a unique pressure-control valve that varies the delivery capacity based on the inclination angle of the wobble plate, controlled by pressure within the crankcase. This innovative mechanism enhances adaptability and efficiency, showcasing Iijima's expertise in mechanical engineering.

Career Highlights: Throughout his career, Takeo Iijima has worked with prominent companies such as Diesel Kiki Co., Ltd. and Fuji Koki Manufacturing Co., Ltd. His work in these organizations has allowed him to refine his skills in compressor technology and contribute to advancements in the field. Iijima's inventive spirit has positioned him as a key figure among contemporary engineers and inventors, recognized for his technical prowess and problem-solving abilities.

Collaborations: Iijima has collaborated with several notable engineers in his career, including Hiroshi Nomura and Susumu Saito. These partnerships have been instrumental in fostering innovative ideas and enhancing the design processes involved in creating efficient compressor systems. Working alongside experienced professionals has enriched Iijima's approach to invention and innovation.

Conclusion: Takeo Iijima's innovative work in compressor technology demonstrates his valuable contributions to the engineering industry. With seven patents to his name, his designs reflect a deep understanding of mechanical functionality and a commitment to enhancing the performance and efficiency of heat-exchange systems. As an inventor, Iijima continues to inspire future generations of engineers and inventors through his groundbreaking innovations in variable capacity compressors.

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