This inventor holds 54 USPTO granted patents and 2 published patent applications, primarily in Scroll Compressors (CPC class 418 ). Top assignees: Hitachi, Ltd., Hitachi Appliances, Inc, Hitachi Air Conditioning Systems Co., Ltd.. Active years: 1980-2016.
Inventors with similar research interests:
Location History:
- Oaza Shimoinayoshi, JP (1982)
- Shimoinayoshi, JP (1983)
- Chiyoda, JP (1989)
- Moriyamachi, JP (1994)
- Ibaraki, JP (1980 - 1996)
- Shimizu, JP (1984 - 1997)
- Ibaraki-ken, JP (1997 - 2002)
- Shizuoka, JP (2008)
- Moriya, JP (2002 - 2016)
Company Filing History:
43 out of 42,717Â 
8 out of 48Â 
2 out of 7Â Years Active: 1980-2016
Areas of Expertise:
Title: Kenji Tojo: Innovator in Hermetically Sealed Scroll Compressors
Introduction
Kenji Tojo, an accomplished inventor based in Moriya, Japan, has made significant contributions to the field of engineering with a remarkable portfolio of 54 patents. His expertise lies particularly in the design and development of hermetically sealed scroll compressors, which are vital components in various refrigeration and air conditioning systems.
Latest Patents
Among his notable inventions is a cutting-edge hermetically sealed scroll compressor. This innovative design features an injection pipe that enhances the efficiency of fluid injection into the compression chamber. The compressor includes two injecting ports: the first is located near the inner curve of the fixed scroll, directing fluid to an orbiting outer compression chamber, while the second port is positioned near the outer curve, injecting fluid into the orbiting inner compression chamber. This parallel arrangement ensures that the orbiting scroll wrap does not interfere with the compression process, optimizing performance and reliability.
Career Highlights
Kenji Tojo has had an impactful career, with significant tenures at renowned companies such as Hitachi, Ltd. and Hitachi Appliances, Inc. His work in these organizations has contributed to advancements in compressor technology, reflecting his dedication to innovation and excellence in engineering.
Collaborations
Throughout his career, Tojo has had the opportunity to collaborate with esteemed colleagues, including Masao Shiibayashi and Mutsunori Matsunaga. These partnerships have fostered an environment of creativity and innovation, leading to groundbreaking advancements in their field.
Conclusion
Kenji Tojo stands out as a pioneering inventor whose work in hermetically sealed scroll compressors has made a lasting impact in the industry. His numerous patents and collaborations continue to inspire future innovation, proving that his contributions are invaluable to engineering and technology advancements.