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For the Inventor, By the Inventor

Kokubunji, Japan

Hiroshi Nakatsuka

This inventor holds 8 USPTO granted patents. Top assignee: Casio Computer Co., Ltd.. Active years: 1990-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Nakatsuka. Retrieved from https://idiyas.com/inventor/hiroshi-nakatsuka-2fa355r9

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 = 5

Forward Citations = 59(Granted Patents)


Location History:

  • Tokyo, JP (1990 - 1995)
  • Kokubunji, JP (1990 - 1996)

Company Filing History:

goldMedal8 out of 5,234 
 
Casio Computer Co., Ltd.
 patents

Years Active: 1990-1996

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8 patents (USPTO):Explore Patents
1. D365842 - Electronic calculator (1996-01-02),
2. D363732 - Electronic calculator (1995-10-31),
3. D345990 - Electronic keyboard musical instrument (1994-04-12),
4. D325201 - Portable television set (1992-04-07),
5. D314958 - Portable television set (1991-02-26),
6. D311734 - Portable television set (1990-10-30),
7. D306582 - Portable television set (1990-03-13),
8. D306439 - Portable television set (1990-03-06),

Title: Hiroshi Nakatsuka: Innovator in Electronic Calculators

Introduction

Hiroshi Nakatsuka is a prominent inventor based in Kokubunji, Japan. He has made significant contributions to the field of electronic devices, particularly in the development of electronic calculators. With a total of 8 patents to his name, Nakatsuka has established himself as a key figure in technological innovation.

Latest Patents

One of Nakatsuka's latest patents is an advanced electronic calculator. This invention showcases his commitment to enhancing the functionality and efficiency of everyday electronic devices. His work continues to influence the design and capabilities of calculators used worldwide.

Career Highlights

Hiroshi Nakatsuka is currently employed at Casio Computer Co., Ltd., a leading company in the electronics industry. His role at Casio has allowed him to work on cutting-edge technology and contribute to the development of innovative products that meet consumer needs.

Collaborations

Some of Nakatsuka's notable coworkers include Akihiro Miyahara and Toru Suzuki. Their collaborative efforts have led to advancements in electronic technology, further solidifying their impact in the industry.

Conclusion

Hiroshi Nakatsuka's contributions to electronic calculators and his innovative spirit have made a lasting impact on the technology landscape. His work continues to inspire future generations of inventors and engineers.

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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