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For the Inventor, By the Inventor

Mito, Japan

Torazo Nishimiya

USPTO Granted Patents = 14

Average Co-Inventor Count = 2.2

ph-index = 10

Forward Citations = 227(Granted Patents)


Location History:

  • Mito, JA (1976 - 1977)
  • Ibaraki, JP (1982)
  • Mito, JP (1978 - 1990)

Company Filing History:

goldMedal14 out of 42,485 
 
Hitachi, Ltd.
 patents
silverMedal1 out of 11 
 
Hitachi Automotive Engineering, Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1976-1990

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14 patents (USPTO):Explore Patents
1. 4895126 - Flow rate control system (1990-01-23),
2. 4823750 - Automotive engine idle speed control device (1989-04-25),
3. 4617889 - Idle speed control device (1986-10-21),
4. 4314585 - Proportional type electromagnetic valve (1982-02-09),
5. 4313590 - Solenoid valve for controlling flow of fluid (1982-02-02),
6. 4278959 - Current-stroke proportional type solenoid valve (1981-07-14),
7. 4231340 - Exhaust gas recirculation control system for internal combustion engine (1980-11-04),
8. 4150643 - Car exhaust gas purification device controlling circuit (1979-04-24),
9. 4132199 - Air-fuel ratio control apparatus (1979-01-02),
10. 4110978 - Apparatus for purifying exhaust gas (1978-09-05),
11. 4030462 - Air-fuel ratio controller for internal-combustion engine (1977-06-21),
12. 4019474 - Air-fuel ratio regulating apparatus for an internal combustion engine (1977-04-26),
13. 3964454 - Differential ignition timing firing control system (1976-06-22),
14. 3935844 - Ignition timing control system (1976-02-03),

Title: The Innovations of Torazo Nishimiya

Introduction

Torazo Nishimiya, an esteemed inventor based in Mito, Japan, has made remarkable contributions to the field of automotive engineering. With a total of 14 patents to his name, he has demonstrated a dedication to improving vehicle performance and efficiency through innovative technologies.

Latest Patents

Among his latest inventions is a flow rate control system designed to manage the idling RPM of an engine. This system effectively adjusts based on the temperature of the cooling water or the outdoor air, addressing the issue of hunting in air flow during engine startup. It features a sophisticated assembly that includes a first valve seat and an annular protrusion, designed to enhance the control of air flow.

In addition, he has developed an automotive engine idle speed control device. This device regulates the air flow supplied to the engine by bypassing the intake pipe during idle operation, thus maintaining optimal engine idle speed. An actuating vacuum, triggered by an electrical signal, influences the diaphragm connected to a movable valve, which meters the air flow, while an adjusting mechanism ensures accurate control against external forces.

Career Highlights

Torazo Nishimiya's career has included significant roles in notable companies such as Hitachi, Ltd. and Hitachi Automotive Engineering, Ltd. His work within these organizations has allowed him to leverage his engineering expertise and focus on innovations that improve vehicle technology.

Collaborations

Throughout his career, Nishimiya has collaborated with talented colleagues, including Tomoo Ito and Takao Sasayama. These partnerships have fostered a creative environment that has driven forward-thinking solutions in automotive engineering.

Conclusion

Torazo Nishimiya's contributions to the automotive industry through his patents illustrate his innovative spirit and commitment to enhancing vehicle performance. His work not only reflects his expertise but also has a lasting impact on automotive technology advancements.

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