Miyagi, Japan

Osamu Koizumi

This inventor holds 24 USPTO granted patents and 1 EPO patent, primarily in Magnetic Recording Technology. Top assignees: Sony Corporation, 3M Innovative Properties Company, Asahi Kasei Microdevices Corporation. Active years: 1986-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Osamu Koizumi. Retrieved from https://idiyas.com/inventor/osamu-koizumi-xc7rexin

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

Calculating rank

% Patents Active = 95.8


Average Co-Inventor Count = 2.1

ph-index = 9

Forward Citations = 186(Granted Patents)


Location History:

  • Sendai, JP (1989)
  • Miyagi, JP (1986 - 2001)
  • Tokyo, JP (1996 - 2017)

Company Filing History:


Years Active: 1986-2017

Loading Chart...
Loading Chart...
Areas of Expertise:
Sensor Device
Data Cartridge
Reproducing Apparatus
Magnetic Head
Tape Cartridge
Tape Cassette
Storage Case
Recording Device
Disk Cartridge
Tape Tension
Flexible Disc
Magnetic Recording
24 patents (USPTO):Explore Patents

Title: **Osamu Koizumi: Innovator in Sensor Technology and Data Cartridge Design**

Introduction

Osamu Koizumi is a notable inventor based in Miyagi, Japan, with an impressive portfolio that includes 24 patents. His work primarily focuses on sensor technology and improved data storage solutions, significantly impacting various technological domains.

Latest Patents

Koizumi's latest inventions demonstrate his innovative prowess in sensor devices and data cartridges. His recent patents include a **sensor device with a sampling function** designed for multiple sensor devices to measure intervals while maintaining specified ratios. This patent features a counter that works in tandem with a ratio-holding unit to generate sampling timing signals effectively, optimizing the measurement process.

Another remarkable patent is for a **data cartridge having a reduced static charge**. The design incorporates a conductive film on the base plate surface, enhancing the grounding mechanism when loaded into a data cartridge drive. This innovation addresses static electricity issues that can affect data integrity.

Career Highlights

Throughout his career, Koizumi has held key positions in esteemed companies such as Sony Corporation and Minnesota Mining and Manufacturing Company. His contributions in these organizations have not only advanced product development but also established him as a leading inventor in his field.

Collaborations

Koizumi has worked alongside talented colleagues, including Kengo Saito and Masanori Sato. Together, they have leveraged their combined expertise to push the boundaries of innovation and ensure the success of their projects.

Conclusion

Osamu Koizumi continues to leave a significant mark on the world of technology through his inventive spirit and dedication to solving complex problems. His patents reflect a commitment to excellence and innovation, positioning him as a key figure in the advancement of sensor technologies and data storage solutions.

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]
Loading…