Tsutomu Sakuma

This inventor holds 10 USPTO granted patents and 3 EPO patents. Top assignees: Kabushiki Kaisha Toshiba, Hitachi, Ltd., Tokyo Shibaura Denki Kabushiki Kaisha. Active years: 1983-2008.

USPTO Granted Patents = 10

% Patents Active = 70.0

EPO Patents = 3 (Patent Applications = 1)

Average Co-Inventor Count = 3.2

ph-index = 8

Forward Citations = 165(Granted Patents)

Location History:

Yokohama, JP (1983 - 1993)
Kanagawa, JP (1995)
Ibaraki, JP (2002 - 2006)
Tokyo, JP (2002 - 2007)
Osaka-Fu, JP (2008)

Company Filing History:

8 out of 53,250

Kabushiki Kaisha Toshiba

Tokyo Shibaura Denki Kabushiki Kaisha

patents

4. 1 out of 23

Toshiba Consumer Marketing Corporation

patents

5. 1 out of 21

Toshiba Ha Products Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1983-2008

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7448226 - Refrigerator (2008-11-11),

2. 7302398 - Health management support method, system and healthy life expectancy prediction data generation method and system (2007-11-27),

3. 7143591 - Refrigerator (2006-12-05),

4. 6460357 - Two-evaporator refrigerator having a bypass and channel-switching means for refrigerant (2002-10-08),

5. 6397608 - Refrigerator (2002-06-04),

6. 6370895 - Refrigerator with two evaporators (2002-04-16),

7. 5381671 - Air conditioning apparatus with improved ice storage therein (1995-01-17),

8. 5201188 - Refrigerant recycling system with refrigeration recovering scheme (1993-04-13),

9. 4719755 - Stirling engine (1988-01-19),

10. 4414139 - Catalyst carriers for purification of waste gas and process for (1983-11-08),

Title: Tsutomu Sakuma: Innovator in Refrigeration and Health Management Technologies

Introduction

Tsutomu Sakuma is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the fields of refrigeration technology and health management systems. With a total of 10 patents to his name, Sakuma's work reflects a commitment to innovation and improving everyday life.

Latest Patents

One of Sakuma's latest patents is a sophisticated refrigerator design. This refrigerator features a refrigerating cycle that includes a compressor, condenser, drawing mechanism, evaporator, accumulator, and both inlet and outlet temperature sensors. The cooling fan is designed to stop when the temperature difference detected by the sensors reaches a predetermined value, enhancing energy efficiency.

Another notable patent is a health management support method and system. This innovative approach addresses the challenges faced by previous health management systems in quantifying daily health conditions. By utilizing health screening report data, the system estimates the predicted period of healthy life expectancy for individuals. This information is then displayed or printed, providing valuable insights for users.

Career Highlights

Throughout his career, Tsutomu Sakuma has worked with esteemed companies such as Toshiba Corporation and Hitachi, Ltd. His experience in these organizations has undoubtedly influenced his innovative thinking and approach to problem-solving.

Collaborations

Sakuma has collaborated with notable colleagues, including Koji Kashima and Takashi Doi. These partnerships have likely contributed to the development of his groundbreaking inventions.

Conclusion

In summary, Tsutomu Sakuma is a distinguished inventor whose work in refrigeration and health management systems has made a significant impact. His innovative patents and collaborations reflect his dedication to enhancing technology for better living.