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For the Inventor, By the Inventor

Ushiku, Japan

Michihiko Aizawa

USPTO Granted Patents = 23

Average Co-Inventor Count = 4.9

ph-index = 6

Forward Citations = 137(Granted Patents)


Location History:

  • Ibaraki, JA (1978)
  • Ushiku, JP (1989 - 2001)
  • Ibaraki, JP (1985 - 2007)

Company Filing History:

goldMedal23 out of 42,485 
 
Hitachi, Ltd.
 patents

Years Active: 1978-2007

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23 patents (USPTO):Explore Patents
1. 7165418 - Absorption refrigerator and production method thereof (2007-01-23),
2. 6813901 - Absorption refrigerator and production method thereof (2004-11-09),
3. 6279342 - Absorption refrigerator and production method thereof (2001-08-28),
4. 6233968 - Absorption refrigerating machine (2001-05-22),
5. 6122930 - Absorption refrigerating machine (2000-09-26),
6. 5964103 - Absorption refrigerator and production method thereof (1999-10-12),
7. 5806337 - Absorption refrigerator and production method thereof (1998-09-15),
8. 5517830 - Multiple type absorption air conditioning system (1996-05-21),
9. 5463880 - Absorption refrigerator (1995-11-07),
10. 5447042 - Multiple type absorption air conditioning system (1995-09-05),
11. 5435154 - High temperature regenerator of an absorption type hot and cold water (1995-07-25),
12. 5282369 - Multiple type absorption air conditioning system (1994-02-01),
13. 5275010 - Control method and apparatus of absorption chiller heater (1994-01-04),
14. 5259202 - Absorption air-conditioning system (1993-11-09),
15. 5218844 - Absorption heat pump apparatus with indoor and outdoor heat exchangers (1993-06-15),

Title: Innovations by Michihiko Aizawa: A Pioneer in Absorption Refrigeration Technology

Introduction: Michihiko Aizawa, an accomplished inventor based in Ushiku, Japan, has made significant contributions to the field of refrigeration technology. With a remarkable portfolio of 23 patents, Aizawa is known for his innovative approaches to enhancing the efficiency and functionality of absorption refrigerators.

Latest Patents: Among his latest inventions is a cutting-edge absorption refrigerator, which features a high-temperature regenerator designed to heat a water solution containing a halogen compound to produce steam. This advanced refrigerator includes an oxide film with a thickness ranging from 0.02 to 5.0 micrometers, exhibiting colors such as blue, purple, or gray, along with the presence of a hydroxyl group. This innovative design not only improves performance but also contributes to energy conservation.

Career Highlights: Aizawa's dedication to innovation is exemplified through his extensive work at Hitachi, Ltd., a leading global technology company. His efforts in developing advanced refrigeration solutions have positioned him as a key figure in the industry, driving technological advancements that are both efficient and sustainable.

Collaborations: Throughout his career, Michihiko Aizawa has benefited from fruitful collaborations with notable colleagues, including Tomihisa Ohuchi and Akira Nishiguchi. Together, they have worked to advance the field of absorption refrigeration, combining their expertise to achieve groundbreaking results.

Conclusion: Michihiko Aizawa’s contributions to refrigeration technology highlight the intersection of innovation and practical application. His patents, particularly in absorption refrigerators, reflect a commitment to enhancing energy efficiency and promoting sustainable technology. As he continues to work with Hitachi, Ltd., Aizawa’s future innovations are eagerly anticipated by the industry and will likely shape the way refrigeration solutions evolve.

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