Chiba, Japan

Hiroshi Shimizu

This inventor holds 40 USPTO granted patents and 1 published patent application, primarily in Electronic Devices. Top assignees: Seiko Instruments Inc, Chisso Corporation, Ushio Denki Kabushiki Kaisha. Active years: 1976-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Shimizu. Retrieved from https://idiyas.com/inventor/hiroshi-shimizu-6lvap3be

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

Calculating rank
USPTO Granted Patents = 40 

% Patents Active = 85.0

Average Co-Inventor Count = 3.5

ph-index = 11

Forward Citations = 407(Granted Patents)


Location History:

  • Ichiharashi, JA (1976)
  • Yokohamashi, JA (1977)
  • Matsubara, JP (1978 - 1979)
  • Chibaken, JP (1983 - 1986)
  • Takarazuka, JP (1987)
  • Yokohama, JP (1978 - 1989)
  • Gunma, JP (1992 - 1994)
  • Chiba, JP (1984 - 2019)

Company Filing History:


Years Active: 1976-2019

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Areas of Expertise:
Electronic Apparatus
Timepiece
Power Consumption Control
Stepping Motor
Chronograph
Semiconductor Heating
Catalyst Component
Polymerization
Radiant Heating
Thermal Development
Electromagnetic Shutter
Foam Control
40 patents (USPTO):Explore Patents

Title: Innovations and Achievements of Hiroshi Shimizu

Introduction

Hiroshi Shimizu is a prominent inventor based in Chiba, Japan, renowned for his contributions to electronic devices. With an impressive portfolio of 40 patents, Shimizu has made significant strides in advancing technology, particularly in the field of electronic apparatuses.

Latest Patents

One of his latest innovations is an electronic apparatus and program that incorporates a wristwatch designed to enhance user experience. This wristwatch features a storing unit capable of maintaining relational data pertaining to user classifications such as gender and body height. The device effectively connects a user's traveling pitch, defined as the steps taken over a set duration, with their traveling speed, whether running or walking. A unique correcting unit adjusts the relational data based on measured traveling pitches and speeds, while a speed calculating unit determines the user's traveling speed using the updated relational data.

Another notable patent is for an altimeter and electronic timepiece. This device includes a display unit and an altitude measurement unit. It is equipped with a RAM that saves an ascent integrated altitude plan value, which represents a defined altitude increase target. Utilizing a CPU, the device computes the ascent integrated altitude by integrating variations in altitude during ascent. Furthermore, it calculates the ascent achievement ratio, detailing the relationship between the achieved ascent and the set plan, displaying this information on the display unit.

Career Highlights

Hiroshi Shimizu has had a successful career, working with renowned companies such as Seiko Instruments Inc. and Chisso Corporation. His experiences in these esteemed institutions have contributed to his expertise and innovation in electronic technologies.

Collaborations

Throughout his career, Shimizu has collaborated with talented colleagues, including Kenji Ogasawara and Saburo Manaka. These collaborations have enriched his projects and have played a critical role in the development of his patents.

Conclusion

With 40 patents to his name, Hiroshi Shimizu stands out as a significant figure in the field of electronics and innovation. His latest inventions demonstrate his commitment to enhancing user experience and advancing technological capabilities. As he continues to contribute to the industry, Shimizu's work is expected to inspire future innovations in electronic devices.

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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