Ryoichiro Nozawa

This inventor holds 31 USPTO granted patents, primarily in Numerical Control Systems. Top assignees: Fanuc Corporation, Fujitsu Fanuc Limited. Active years: 1981-1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryoichiro Nozawa. Retrieved from https://idiyas.com/inventor/ryoichiro-nozawa

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

USPTO Granted Patents = 31

% Patents Active = 100.0

Average Co-Inventor Count = 2.8

ph-index = 11

Forward Citations = 362(Granted Patents)

Location History:

Tokyo, JP (1981 - 1986)
Shibuya, JP (1985 - 1986)

Company Filing History:

Fujitsu Fanuc Limited

patents

Years Active: 1981-1986

Loading Chart...

Areas of Expertise:

Motor Control

Position Correction

Tool Compensation

Numerical Control

Machine Tool

Feed Speed Control

Zero-Point Return

Servo Delay Compensation

Data Input Devices

Cutting Work

Turning Control

Rotational Frequency Checking

31 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4629956 - System for controlling motors for synchronous operation (1986-12-16),

2. 4628444 - Operating information input method in numerical control apparatus (1986-12-09),

3. 4600985 - Numerical control method and apparatus therefor (1986-07-15),

4. 4591990 - Spindle rotational frequency checking method (1986-05-27),

5. 4591968 - Numerical control method (1986-05-27),

6. 4591771 - Numerical control system (1986-05-27),

7. 4585377 - Numerical-controlled machine tool (1986-04-29),

8. 4583433 - Turning control apparatus and method (1986-04-22),

9. 4572998 - Tool radius compensation system (1986-02-25),

10. 4567342 - Method and apparatus for controlling direction reversal in electric (1986-01-28),

11. 4554497 - Acceleration/deceleration circuit (1985-11-19),

12. 4550378 - Method of numerical control and device therefor (1985-10-29),

13. 4549271 - Measurement method by numerical control device (1985-10-22),

14. 4543625 - Method for compensating for servo delay caused at an arc or corner (1985-09-24),

15. 4534001 - Numerical control system (1985-08-06),

Title: Ryoichiro Nozawa: Innovator in Motor Control Technology

Introduction

Ryoichiro Nozawa is a prominent inventor based in Tokyo, Japan, known for his contributions to motor control systems. With a remarkable portfolio of 31 patents, he has made significant advancements in the fields of automation and machine tools.

Latest Patents

Among his latest innovations is a "System for controlling motors for synchronous operation," which encompasses a method to control multiple motors, including spindle motors in machine tools, to rotate synchronously at specified command speeds. The system employs a numerical control unit that generates positional commands via distributed pulse trains that correlate with the desired speeds of rotation for each motor. It incorporates positional control feedback circuits to produce speed command outputs and speed control feedback circuits to regulate motor speeds based on feedback from detected positional and speed signals. Another notable invention is the "Operating information input method in numerical control apparatus," further showcasing his expertise in numerical control technology.

Career Highlights

Ryoichiro Nozawa has been associated with esteemed companies like Fanuc Corporation and Fujitsu Fanuc Limited, where he has applied his knowledge and skills to develop cutting-edge technologies that enhance operational efficiencies in manufacturing processes.

Collaborations

Throughout his career, Ryoichiro has collaborated with other talented professionals, including Hideaki Kawamura and Nobuyuki Kiya, sharing insights and expertise that have contributed to various successful projects and innovations within the domain of motor control systems.

Conclusion

Ryoichiro Nozawa's innovative contributions to the industry underscore the importance of advanced motor control technologies in modern manufacturing. His continuous efforts propel the evolution of automation, paving the way for more efficient and reliable industrial operations.

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]