Kodaira, Japan

Masami Hayakawa

This inventor holds 1 USPTO granted patent. Top assignee: Silver Seiko Ltd.. Active years: 1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masami Hayakawa. Retrieved from https://idiyas.com/inventor/masami-hayakawa

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


% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1


Company Filing History:


Years Active: 1986

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1 patent (USPTO):Explore Patents

Title: Masami Hayakawa: Innovator in Office Machine Technology

Introduction

Masami Hayakawa is a notable inventor based in Kodaira, Japan. He has made significant contributions to the field of office machinery, particularly with his innovative designs that enhance functionality and efficiency.

Latest Patents

Hayakawa holds a patent for a line spacing device for office machines. This automatic line spacing device is designed to be incorporated into typewriters, especially those lacking a constantly rotating power shaft. The device features a feed pawl mounted on a rockable member that works in conjunction with a ratchet to rotate a typewriter type platen. The rockable member is linked to a bidirectional electric motor, which is energized to rotate the member from its home position to a limit position defined by a fixed positive stop element. This mechanism allows for effective line spacing operations, with a cam adjusting the angle during which the feed pawl engages the ratchet to achieve different line spacing increments.

Career Highlights

Hayakawa is currently employed at Silver Seiko Ltd., where he continues to innovate and develop new technologies in office machinery. His work has been instrumental in advancing the capabilities of typewriters and similar devices.

Collaborations

Hayakawa collaborates with Hideo Aoki, a talented coworker who contributes to the innovative projects at Silver Seiko Ltd. Their partnership exemplifies the collaborative spirit that drives technological advancements in their field.

Conclusion

Masami Hayakawa's contributions to office machine technology, particularly through his patented line spacing device, highlight his role as an innovator in the industry. His work continues to influence the design and functionality of office equipment, showcasing the importance of innovation in everyday tools.

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]
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