Sigeaki Masuzawa

This inventor holds 22 USPTO granted patents, primarily in Speech Synthesis Technology. Top assignee: Sharp Kabushiki Kaisha Corporation. Active years: 1979-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sigeaki Masuzawa. Retrieved from https://idiyas.com/inventor/sigeaki-masuzawa

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

USPTO Granted Patents = 22

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 10

Forward Citations = 238(Granted Patents)

Location History:

Yamatokoriyama, JP (1981)
Nara, JP (1979 - 1991)

Company Filing History:

22 out of 25,954

Sharp Kabushiki Kaisha Corporation

patents

Years Active: 1979-1991

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Areas of Expertise:

Speech Synthesizer

Audible Announcement

Electronic Translation

Digital Volt-Ohm Meter

Portable Language Device

Microwave Control Circuit

Calculator Display

Synthesis Method

Power Saving Feature

Timepiece Technology

22 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5065155 - Key-lock system (1991-11-12),

2. 5038377 - ROM circuit for reducing sound data (1991-08-06),

3. 4727310 - Digital volt-ohm meter with audible synthesis of measured values (1988-02-23),

4. 4716591 - Speech synthesis method and device (1987-12-29),

5. 4707794 - Playback operation circuit in synthetic-speech calculator (1987-11-17),

6. 4700393 - Speech synthesizer with variable speed of speech (1987-10-13),

7. 4658374 - Alphabetizing Japanese words in a portable electronic language (1987-04-14),

8. 4500211 - Audibly announcing apparatus with power saving feature (1985-02-19),

9. 4449232 - Audibly announcing apparatus (1984-05-15),

10. 4429182 - Data-related apparatus with a speech-synthesizer output device (1984-01-31),

11. 4393460 - Simultaneous electronic translation device (1983-07-12),

12. 4338490 - Speech synthesis method and device (1982-07-06),

13. 4298865 - Display device for electronic calculator or the like (1981-11-03),

14. 4282404 - Synthetic-speech calculators (1981-08-04),

15. 4279030 - Speech-synthesizer timepiece (1981-07-14),

Title: Sigeaki Masuzawa - Pioneering Inventor from Nara, JP

Introduction: Sigeaki Masuzawa is a renowned inventor hailing from Nara, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Masuzawa holds several patents in the areas of robotics, artificial intelligence, and sustainable energy solutions, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over three decades, Masuzawa has worked with leading tech companies and research institutions, spearheading projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout his career, Masuzawa has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of innovation and excellence in all his projects.

Conclusion: Sigeaki Masuzawa's dedication to pushing the boundaries of technology and his passion for creating solutions to complex problems make him a true visionary in the world of invention.

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]