Company Filing History:

11 out of 42,485

Hitachi, Ltd.

where one patent can have more than one assignee

Years Active: 1977-1985

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4548047 - Expansion valve (1985-10-22),

2. 4412527 - Greenhouse of an underground heat accumulation system (1983-11-01),

3. 4195688 - Heat-transfer wall for condensation and method of manufacturing the same (1980-04-01),

4. 4194384 - Method of manufacturing heat-transfer wall for vapor condensation (1980-03-25),

5. 4175416 - Apparatus for manufacturing heat transfer tubes (1979-11-27),

6. 4168743 - Heat exchanging wall and method for the production thereof (1979-09-25),

7. 4166498 - Vapor-condensing, heat-transfer wall (1979-09-04),

8. 4126015 - Air cooling apparatus (1978-11-21),

9. 4105372 - Fluid rotary machine (1978-08-08),

10. 4060125 - Heat transfer wall for boiling liquids (1977-11-29),

11. 4044797 - Heat transfer pipe (1977-08-30),

Title: Kunio Fujie: Innovator in Thermal Energy Solutions

Introduction

Kunio Fujie is a prominent inventor based in Tokyo, Japan, known for his innovative contributions to thermal energy systems. With a total of 11 patents to his name, Fujie has made significant advancements in the field of refrigeration and energy accumulation.

Latest Patents

Fujie's latest patents include an advanced expansion valve designed to enhance the efficiency of refrigerant flow. This expansion valve utilizes an electromagnetic force to drive a plunger that opens and closes valve ports, allowing for reversible flow of refrigerant with minimal resistance. Another notable invention is a greenhouse integrated with an underground heat accumulation system. This system captures radiant energy from the sun or waste thermal energy, storing it in the soil beneath the greenhouse. The accumulated energy is then released during winter, providing a sustainable heating solution.

Career Highlights

Throughout his career, Kunio Fujie has worked with leading companies such as Hitachi, Ltd. and Hitachi Cable, Inc. His work has focused on developing technologies that improve energy efficiency and sustainability in various applications.

Collaborations

Fujie has collaborated with notable colleagues, including Kimio Kakizaki and Wataru Nakayama, contributing to the advancement of innovative technologies in their respective fields.

Conclusion

Kunio Fujie's contributions to thermal energy solutions and refrigeration technology highlight his role as a key innovator in the industry. His patents reflect a commitment to enhancing energy efficiency and sustainability, making a lasting impact on the field.

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