Shiga, Japan

Hiroshi Minakuchi

This inventor holds 33 USPTO granted patents, primarily in Motor Control Systems. Top assignees: Matsushita Electric Industrial Co., Ltd., Nippon Electric Co., Ltd.. Active years: 1976-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Minakuchi. Retrieved from https://idiyas.com/inventor/hiroshi-minakuchi

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


% Patents Active = 100.0

Average Co-Inventor Count = 1.2

ph-index = 9

Forward Citations = 240(Granted Patents)


Location History:

  • Kadoma, JA (1976 - 1977)
  • Shiga, JA (1978)
  • Takashima, JP (1980)
  • Kadoma, JP (1979 - 1981)
  • Osaka, JP (1981)
  • Kodoma, JP (1981)
  • Shiga, JP (1978 - 1989)

Company Filing History:


Years Active: 1976-1989

Loading Chart...
Areas of Expertise:
Speed Controller
Servo System
Brushless DC Motors
Frequency Synthesizer
Digital-to-Analog Conversion
Phase-Locked Loop
Velocity Detection
Motor Speed Regulator
Integrated Circuit
Programmable Counter
Closed Loop Control
Rotational Speed Indication
33 patents (USPTO):Explore Patents

Title: The Innovations of Hiroshi Minakuchi

Introduction

Hiroshi Minakuchi, a prolific inventor based in Shiga, Japan, has made remarkable contributions to the field of engineering, particularly in motor control technologies. With an impressive portfolio of 33 patents to his name, his innovations have significantly impacted various industries.

Latest Patents

Among Hiroshi Minakuchi's latest inventions are a speed controller and a servo system. The speed controller is designed to detect the period of an AC signal, which provides information on the rotational speed of a motor. It effectively controls the motor's rotational speed by using detected period values and a reference speed. The innovation enables the computation of the deviation of the AC signal, which is stored in memory as a correction value, allowing for extremely high precision in speed control.

The servo system is another noteworthy invention that controls the speed of a moving body to maintain a desired velocity. This system includes a voltage source that generates predetermined voltages, a comparator for analyzing the AC signal's voltage, and a counter to record reference clock signals. A processor then generates speed error signals based on stored count values, ensuring that the desired speed is consistently achieved by supplying appropriate driving power to the moving body.

Career Highlights

Hiroshi Minakuchi has had a distinguished career at notable companies, including Matsushita Electric Industrial Co., Ltd. and Nippon Electric Co., Ltd. His work at these institutions has helped to develop advanced technologies in motor performance and control systems.

Collaborations

Throughout his career, Minakuchi has collaborated with esteemed colleagues such as Yoshio Tetsugu and Yoshiaki Igarashi. These partnerships have fostered an environment of innovation and have led to the development of cutting-edge technologies in the engineering field.

Conclusion

Hiroshi Minakuchi's contributions to motor control technologies are exemplified through his 33 patents. His latest innovations, including the speed controller and servo system, showcase his commitment to precision engineering. With a strong collaborative network and extensive experience in leading companies, Hiroshi Minakuchi continues to be a significant figure in the realm of innovation.

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]
Loading…