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For the Inventor, By the Inventor

Osaka, Japan

Takahisa Yubisui

This inventor holds 34 USPTO granted patents, primarily in Electronic Calculators. Top assignees: Sharp Corporation, Sharp Kabushiki Kaisha Corporation, Sharp Kabushiki Kaishi. Active years: 1985-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takahisa Yubisui. Retrieved from https://idiyas.com/inventor/takahisa-yubisui

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

USPTO Granted Patents = 34

% Patents Active = 100.0

Average Co-Inventor Count = 2.7

ph-index = 12

Forward Citations = 449(Granted Patents)


Location History:

  • Osaka, JP (1985 - 1991)
  • Nara, JP (1994)

Company Filing History:

goldMedal28 out of 847 
 
Sharp Corporation
 patents
silverMedal5 out of 25,949 
 
Sharp Kabushiki Kaisha Corporation
 patents
bronzeMedal1 out of 22 
 
Sharp Kabushiki Kaishi
 patents

Years Active: 1985-1994

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Areas of Expertise:
Electronic Calculator
Printing Calculator
Portable Computer
Electronic Thermometer
Sphygmomanometer
Input/Output Device
Combined Calculator
Word Processor
Memo Functionality
Electronic Printing
Calculator Cradle
Electronic Memo
34 patents (USPTO):Explore Patents
1. D350148 - Electronic calculator (1994-08-30),
2. D315358 - Electronic calculator with printer (1991-03-12),
3. D309624 - Electronic calculator (1990-07-31),
4. D307595 - Electronic calculator (1990-05-01),
5. D306176 - Combined calculator and cradle therefor (1990-02-20),
6. D303980 - Electronic calculator (1989-10-10),
7. D303807 - Electronic calculator with memo (1989-10-03),
8. D303680 - Electronic calculator (1989-09-26),
9. D303678 - Electronic calculator (1989-09-26),
10. D303677 - Electronic calculator (1989-09-26),
11. D299700 - Electronic thermometer (1989-02-07),
12. D298774 - Electronic sphygmomanometer (1988-11-29),
13. D298623 - Pocket computer (1988-11-22),
14. D298622 - Input/output device for electronic memo (1988-11-22),
15. D297950 - Electronic calculator (1988-10-04),

Title: Takahisa Yubisui: A Pioneer in Electronic Innovation

Introduction

Takahisa Yubisui, based in Osaka, Japan, is a notable inventor with a remarkable portfolio of 34 patents. His work primarily focuses on advancements in electronic calculators, reflecting his passion for innovative technology and design.

Latest Patents

Among his recent contributions to the field, Yubisui has developed two significant patents: an electronic calculator and an electronic calculator with a printer. These inventions demonstrate his commitment to improving user experience and functionality in everyday electronic devices.

Career Highlights

Yubisui has had a distinguished career, having worked with leading companies in the electronics sector. His tenure at Sharp Corporation and Sharp Kabushiki Kaisha Corporation has allowed him to make substantial contributions to the development of cutting-edge technology in electronic calculators.

Collaborations

Throughout his career, Yubisui has collaborated with talented professionals, including notable coworkers Hiroshi Sakaguchi and Katsuhiro Iida. These partnerships have fostered a creative environment, leading to innovative solutions and enhancements in product design.

Conclusion

Takahisa Yubisui's contributions to electronic innovation, particularly in calculators, mark him as a significant figure in the field. His numerous patents and collaborative efforts demonstrate his dedication to pushing the boundaries of technology and improving the functionality of everyday 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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