Masayuki Wakamiya

This inventor holds 18 USPTO granted patents, primarily in Sensor Technology. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1984-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayuki Wakamiya. Retrieved from https://idiyas.com/inventor/masayuki-wakamiya

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

Calculating rank

USPTO Granted Patents = 18

% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 10

Forward Citations = 187(Granted Patents)

Location History:

Suita, JP (1984 - 1996)
Osaka, JP (1988 - 1998)

Company Filing History:

18 out of 27,375

Matsushita Electric Industrial Co., Ltd.

patents

Years Active: 1984-1998

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Areas of Expertise:

Magnetic Circuit

Torque Sensor

Pressure Sensor

Vibration Sensor

Non-Contact Detection

Magnetostriction

Illumination Apparatus

Amorphous Alloys

Fluid Pressure

Electric Apparatus

Discharge Lamp

18 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5751828 - Magnetic circuit unit for loud-speaker and method of manufacturing the (1998-05-12),

2. 5583396 - Optical device with metal halide discharge lamp having enhanced starting (1996-12-10),

3. 5512800 - Long life metal halide lamp and an illumination optical apparatus and (1996-04-30),

4. 5442966 - Torque sensor (1995-08-22),

5. 5353649 - Non-contact detecting type torque sensor (1994-10-11),

6. 5349868 - Pressure sensor including bridge circuit for detecting permeability of a (1994-09-27),

7. 5323659 - Multifunctional torque sensor (1994-06-28),

8. 5303595 - Pressure sensor utilizing magnetostriction effect (1994-04-19),

9. 5165284 - Pressure sensor utilizing a magnetostriction effect (1992-11-24),

10. 5003824 - Vibration/acceleration sensor (1991-04-02),

11. 4938069 - Pressure sensor (1990-07-03),

12. 4823617 - Torque sensor (1989-04-25),

13. 4812758 - Method of operating an amorphous-magnetic-alloy sensor (1989-03-14),

14. 4785671 - Stress-sensitive sensors utilizing amorphous magnetic alloys (1988-11-22),

15. 4780671 - Magnetically operated non-contact magnetic torque sensor for shafts (1988-10-25),

Title: The Innovations of Masayuki Wakamiya

Introduction

Masayuki Wakamiya is a prominent inventor based in Suita, Japan. He has made significant contributions to the field of technology, particularly in the development of advanced magnetic circuit units and optical devices. With a total of 18 patents to his name, Wakamiya's work has had a lasting impact on the industry.

Latest Patents

Wakamiya's latest patents include a magnetic circuit unit for loudspeakers and a method of manufacturing it. This innovative magnetic circuit unit improves magnetic properties and reduces production costs, enhancing the overall performance of loudspeakers. The design features a top plate with a unique hollow part integrated with an anisotropic Nd--Fe--B system magnet, which is formed under high pressure through Joule heating. Additionally, he has developed an optical device utilizing a metal halide discharge lamp, which enhances starting efficiency for various applications, including illuminators and image displays.

Career Highlights

Wakamiya has spent a significant portion of his career at Matsushita Electric Industrial Co., Ltd., where he has been instrumental in driving technological advancements. His expertise in magnetic circuits and optical devices has positioned him as a key figure in the industry.

Collaborations

Throughout his career, Wakamiya has collaborated with notable colleagues, including Hiroyuki Hase and Rihito Shoji. These partnerships have fostered innovation and contributed to the successful development of various technologies.

Conclusion

Masayuki Wakamiya's contributions to technology through his patents and collaborations highlight his role as a leading inventor in Japan. His work continues to influence advancements in the fields of audio and optical technology.

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]