Kazuhiro Takeuchi

This inventor holds 5 USPTO granted patents. Top assignees: Nec Corporation, Fujitsu Corporation. Active years: 1990-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuhiro Takeuchi. Retrieved from https://idiyas.com/inventor/kazuhiro-takeuchi-bfoff8gk

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

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 1.7

ph-index = 5

Forward Citations = 71(Granted Patents)

Location History:

Tokyo, JP (1990 - 1991)
Shizuoka, JP (1995 - 2002)

Company Filing History:

Years Active: 1990-2002

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6439791 - Grip and cap for writing tool, and writing tool (2002-08-27),

2. 6272901 - Detecting apparatus capable of detecting magnitude of shock and portable electronic appliance with the same (2001-08-14),

3. 5390294 - Graphic processing system for automatically reconstructing dimensional (1995-02-14),

4. 5051890 - Program/data memory employed in microcomputer system (1991-09-24),

5. 4949242 - Microcomputer capable of accessing continuous addresses for a short time (1990-08-14),

Title: Kazuhiro Takeuchi: Innovator in Writing Tools and Electronic Appliances

Introduction

Kazuhiro Takeuchi is a notable inventor based in Shizuoka, Japan. He has made significant contributions to the fields of writing tools and electronic appliances. With a total of 5 patents to his name, Takeuchi's work showcases his innovative spirit and technical expertise.

Latest Patents

Among his latest patents, Takeuchi has developed a grip and cap for writing tools, specifically designed for mechanical pencils. This grip is formed into a tube shape and includes a tip portion, a base portion, and a spacing portion. The tip portion is conical, allowing for a reduced diameter towards the tip, while the base portion accommodates the shaft tip of the mechanical pencil. Additionally, he has created a detecting apparatus capable of detecting the magnitude of shock, which is integrated into portable electronic appliances. This apparatus features a shock sensing portion that deforms under excessive shock, ensuring the durability of the device.

Career Highlights

Kazuhiro Takeuchi has worked with prominent companies such as NEC Corporation and Fujitsu Corporation. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.

Collaborations

Takeuchi has collaborated with talented individuals in his field, including Mitsuru Kuroda and Kazunori Nagasaki. These partnerships have fostered a creative environment that has led to the development of groundbreaking inventions.

Conclusion

Kazuhiro Takeuchi's contributions to the fields of writing tools and electronic appliances highlight his innovative capabilities and dedication to advancing technology. His patents reflect a commitment to improving user experience and functionality 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]