Shizuo Hayashi

This inventor holds 8 USPTO granted patents. Top assignees: Fuji Electric Co., Ltd., Inax Corporation. Active years: 1983-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shizuo Hayashi. Retrieved from https://idiyas.com/inventor/shizuo-hayashi-8xrc8kdp

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

Calculating rank

USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 1.5

ph-index = 3

Forward Citations = 22(Granted Patents)

Location History:

Suzuka, JP (1983 - 1988)
Kanagawa, JP (1993 - 1994)
Kawasaki, JP (1993 - 1997)

Company Filing History:

8 out of 4,826

Fuji Electric Co., Ltd.

where one patent can have more than one assignee

Years Active: 1983-1997

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5661749 - Bridging protection apparatus for an induction furnace (1997-08-26),

2. 5479437 - Bridging protection apparatus for an induction furnace (1995-12-26),

3. 5352872 - System of supplying electric power to induction furnace (1994-10-04),

4. 5259595 - Pressure pouring furnace (1993-11-09),

5. 5241560 - Crucible induction furnace provided with a preventive measure against (1993-08-31),

6. 4730755 - Automatic pouring furnace (1988-03-15),

7. 4445670 - Apparatus for controlling a pressure-type furnace for pouring molten ores (1984-05-01),

8. 4419755 - Method for measuring the extent of slag deposit buildup in a channel (1983-12-06),

Title: Shizuo Hayashi: Innovator in Induction Furnace Technology

Introduction

Shizuo Hayashi is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of induction furnace technology, holding a total of 8 patents. His innovative work focuses on enhancing the efficiency and safety of induction furnaces, which are widely used in metal melting processes.

Latest Patents

One of Hayashi's latest patents is a bridging protection apparatus for an induction furnace. This invention features temperature sensors embedded in the refractory material that forms the walls of the furnace body. These sensors detect increases in the temperature of molten metal due to the bridging of metal materials intended for melting. The temperature sensors are connected to an antenna for detecting runout. Various electrical data, such as voltage, current, power, and frequency, which affect the alternating current supplied to the coil of the induction furnace, change depending on the molten metal's temperature. Bridging is detected by determining the rates of temporal change in these electrical data. Additionally, changes in electrical data during the operation of the induction furnace are stored in data storage. The stored electrical data is compared with the data detected during operation, and an alarm is triggered if the deviation exceeds a predetermined value for a specified time period.

Career Highlights

Throughout his career, Shizuo Hayashi has worked with prominent companies, including Fuji Electric Co., Ltd. and Inax Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in the field of induction furnace technology.

Collaborations

Hayashi has collaborated with notable coworkers, including Sadao Tsuji and Takayuki Hira. Their combined expertise has contributed to the advancement of technology in their respective fields.

Conclusion

Shizuo Hayashi's contributions to induction furnace technology demonstrate his commitment to innovation and safety in metal melting processes. His patents reflect a deep understanding of the complexities involved in induction heating, making him a significant figure in this industry.

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]