Toshio Ogawa

This inventor holds 24 USPTO granted patents, primarily in Piezoelectric Materials. Top assignee: Murata Manufacturing Co., Ltd.. Active years: 1976-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshio Ogawa. Retrieved from https://idiyas.com/inventor/toshio-ogawa-g5gi2n3r

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

Calculating rank

USPTO Granted Patents = 24

% Patents Active = 100.0

Average Co-Inventor Count = 1.8

ph-index = 10

Forward Citations = 302(Granted Patents)

Location History:

Nagaokakyo, JA (1976)
Nagaokakyo, JP (1979 - 1989)
Kyoto, JP (1983 - 1990)

Company Filing History:

24 out of 13,796

Murata Manufacturing Co., Ltd.

patents

Years Active: 1976-1990

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Areas of Expertise:

Piezoelectric Ceramics

Resonators

Sound Generators

Ceramic Compositions

Crystalline Films

Magnetic Heads

Energy Trapping Devices

Acoustic Devices

Temperature Stability

Manufacturing Methods

Thin Films

Ferroelectric Materials

24 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4894580 - Chip-type resonator and method of manufacturing the same (1990-01-16),

2. 4805057 - Magnetic head driving apparatus (1989-02-14),

3. 4759107 - Monolithic piezoelectric element and method of adjusting the resonant (1988-07-26),

4. 4742264 - Piezoelectric sound generator (1988-05-03),

5. 4710311 - Piezoelectric ceramic composition (1987-12-01),

6. 4649313 - Piezoelectric displacement element (1987-03-10),

7. 4605876 - Piezoelectric ceramic energy trapping electronic device (1986-08-12),

8. 4568848 - Acoustic surface wave devices containing piezoelectric ceramics (1986-02-04),

9. 4564782 - Ceramic filter using multiple thin piezoelectric layers (1986-01-14),

10. 4511483 - Piezoelectric ceramic compositions (1985-04-16),

11. 4381469 - Temperature stable piezoelectric device (1983-04-26),

12. 4255272 - Method for producing piezoelectric ceramics (1981-03-10),

13. 4230589 - Method for producing piezoelectric ceramics (1980-10-28),

14. 4229506 - Piezoelectric crystalline film of zinc oxide and method for making same (1980-10-21),

15. 4219608 - Piezoelectric crystalline film of zinc oxide and method for making same (1980-08-26),

Title: Toshio Ogawa: Innovator in Piezoelectric Technology

Introduction

Toshio Ogawa, based in Nagaokakyo, Japan, is a prominent inventor with a remarkable portfolio of 24 patents. His contributions primarily focus on advancements in piezoelectric technology, which have significant implications for various electronic devices.

Latest Patents

Among his latest inventions is the "Chip-type resonator and method of manufacturing the same." This innovative resonator incorporates a piezoelectric member with several embedded inner electrodes arranged in a specific manner to enhance operational efficiency. The configuration allows for specific areas of the piezoelectric member to expand and contract in response to voltage, increasing the resonance effect.

Additionally, Ogawa has developed a "Magnetic head driving apparatus," featuring a monolithic bimorph member that consolidates multiple electrodes within ceramic layers. This design is integral for modern magnetic head applications, allowing precise control and stability when used in various magnetic devices.

Career Highlights

Toshio Ogawa has dedicated his career to Murata Manufacturing Co., Ltd., a leading company in electronic component manufacturing. His work focuses on harnessing piezoelectricity for innovative applications, leading to advancements that enhance the performance of electronic devices.

Collaborations

Throughout his career, Ogawa has collaborated with other talented engineers, including Tasuku Mashio and Hiroshi Nishiyama. Their combined expertise has propelled numerous projects, contributing significantly to the field of piezoelectric technology.

Conclusion

Toshio Ogawa is a notable figure in the world of innovations, particularly within the realm of piezoelectric devices. His patents reflect a commitment to advancing technology that serves as a foundation for future developments in the electronics industry. Through his work at Murata Manufacturing Co., Ltd. and collaboration with esteemed coworkers, Ogawa continues to impact the field significantly.

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]