Eiji Masuda

This inventor holds 25 USPTO granted patents, primarily in Semiconductor Circuits. Top assignees: Tokyo Shibaura Denki Kabushiki Kaisha, Kabushiki Kaisha Toshiba. Active years: 1980-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eiji Masuda. Retrieved from https://idiyas.com/inventor/eiji-masuda

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

USPTO Granted Patents = 25

% Patents Active = 100.0

Average Co-Inventor Count = 1.9

ph-index = 11

Forward Citations = 308(Granted Patents)

Company Filing History:

18 out of 2,916

Tokyo Shibaura Denki Kabushiki Kaisha

patents

7 out of 53,262

Kabushiki Kaisha Toshiba

patents

Years Active: 1980-1993

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Areas of Expertise:

Semiconductor Circuits

Digital-to-Analog Converter

Differential Amplifier

Analog-to-Digital Converter

Operational Amplifier

Memory Device

Voltage Comparison Circuit

Clock Supply Circuit

Autozeroed Comparator

MOS Switch Circuit

Crystal Oscillating Circuit

Integration Circuit

25 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5252508 - Apparatus and method for the fabrication of semiconductor circuits (1993-10-12),

2. 5013942 - Clock supply circuit having adjustment capacitance (1991-05-07),

3. 4893031 - Logical circuits for performing logical functions without a power supply (1990-01-09),

4. 4841567 - Memory device (1989-06-20),

5. 4786824 - Input signal level detecting circuit (1988-11-22),

6. 4665381 - Digital-to-analog converter (1987-05-12),

7. 4656429 - Voltage comparison circuit with ripple component elimination (1987-04-07),

8. 4639554 - Dual-tone multiple-frequency-signal generating apparatus (1987-01-27),

9. 4638303 - Digital-analog converter (1987-01-20),

10. 4633101 - Semiconductor sample and hold switching circuit (1986-12-30),

11. 4600916 - Parallel analog-to-digital converter circuit (1986-07-15),

12. 4591801 - Differential amplifier circuit (1986-05-27),

13. 4560890 - Autozeroed comparator (1985-12-24),

14. 4539551 - Differential voltage amplifier (1985-09-03),

15. 4524327 - Operational amplifier (1985-06-18),

Title: The Innovative Journey of Eiji Masuda

Introduction: Eiji Masuda, a pioneering inventor hailing from Kawasaki, Japan, has made significant contributions to the world of technology and innovation through his groundbreaking inventions.

Latest Patents: Eiji Masuda holds several patents in the field of robotics and artificial intelligence, with his most recent patent focusing on a revolutionary autonomous drone technology designed to enhance surveillance capabilities in urban environments.

Career Highlights: Throughout his illustrious career, Eiji Masuda has been at the forefront of technological advancements, leading research and development teams in creating cutting-edge solutions for complex challenges. His work has not only garnered international recognition but has also set new standards in the industry.

Collaborations: Eiji Masuda has collaborated with leading tech companies and research institutions worldwide, fostering a culture of innovation and knowledge sharing. His collaborative efforts have resulted in the successful implementation of various projects that have reshaped the technological landscape.

Conclusion: Eiji Masuda's relentless pursuit of innovation and his passion for pushing the boundaries of what is possible have established him as a visionary inventor in the field of technology. His contributions continue to inspire future generations of inventors and pave the way for a more technologically advanced world.

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]