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For the Inventor, By the Inventor

Ibaraki, Japan

Tamotu Shikamori

This inventor holds 12 USPTO granted patents, plus 1 CIPO patent. Top assignee: Hitachi, Ltd.. Active years: 1988-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tamotu Shikamori. Retrieved from https://idiyas.com/inventor/tamotu-shikamori

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 12

% Patents Active = 100.0


Average Co-Inventor Count = 4.1

ph-index = 7

Forward Citations = 199(Granted Patents)


Location History:

  • Jyuou, JP (1988)
  • Juou, JP (1990)
  • Ibaraki, JP (1988 - 1993)
  • Juuou, JP (2003)

Company Filing History:

goldMedal12 out of 42,743 
 
Hitachi, Ltd.
 patents

Years Active: 1988-2003

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12 patents (USPTO):Explore Patents
1. 6557382 - Washing machine (2003-05-06),
2. 5230228 - Controller for operation of washing machine (1993-07-27),
3. 5144819 - Controller of a washing machine (1992-09-08),
4. 5072473 - Full-automated washer (1991-12-17),
5. 5042276 - Fully automatic washing machine (1991-08-27),
6. 4995247 - Washing machine (1991-02-26),
7. 4955213 - Full automatic electric washing machine having an auto-off power source (1990-09-11),
8. 4920661 - Dehydrating machine (1990-05-01),
9. 4868944 - Washing machine (1989-09-26),
10. 4791691 - Washing machine and method of washing clothes (1988-12-20),
11. 4779430 - Fully-automated washer (1988-10-25),
12. 4771615 - Dehydrating vessel of washing machine (1988-09-20),

Title: The Innovations of Tamotu Shikamori

Introduction

Tamotu Shikamori is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of home appliances, particularly in washing machine technology. With a total of 12 patents to his name, Shikamori continues to push the boundaries of innovation.

Latest Patents

One of his latest inventions is a washing machine that incorporates an ion exchange system. This system includes a feed water valve for supplying water to an outer tub and a detergent supply case. The design features a cylindrical vessel filled with sodium type strong acid positive ion exchange resin, along with a salt water vessel and a salt vessel for receiving salt. This innovative approach allows for the regeneration of the ion exchange resin, enhancing the washing process. Another significant patent is a controller for the operation of the washing machine. This controller measures the quality and quantity of clothes to be washed, using fuzzy functions to optimize wash current strength, wash time, and rinse time based on the type and quantity of clothes.

Career Highlights

Tamotu Shikamori is currently employed at Hitachi, Ltd., where he continues to develop cutting-edge technologies. His work has not only improved the efficiency of washing machines but has also contributed to the overall advancement of home appliance technology.

Collaborations

Shikamori collaborates with talented individuals such as Isao Hiyama and Hiroshi Ohsugi, who contribute to his innovative projects. Their teamwork fosters a creative environment that leads to groundbreaking inventions.

Conclusion

Tamotu Shikamori's contributions to washing machine technology exemplify the spirit of innovation. His patents reflect a commitment to improving everyday appliances, making them more efficient and user-friendly. His work continues to inspire future advancements in the field.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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