Tokyo, Japan

Tsutomu Ishi

This inventor holds 39 USPTO granted patents and 1 published patent application and 1 EPO patent, primarily in Magnetoresistive Technology. Top assignees: Nec Corporation, Toyota Jidosha Kabushiki Kaisha. Active years: 1998-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsutomu Ishi. Retrieved from https://idiyas.com/inventor/tsutomu-ishi

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

USPTO Granted Patents = 39 

% Patents Active = 76.9

 

Average Co-Inventor Count = 4.1

ph-index = 8

Forward Citations = 257(Granted Patents)


Location History:

  • Minato-ku, JP (2013 - 2014)
  • Tokyo, JP (1998 - 2016)

Company Filing History:


Years Active: 1998-2016

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Areas of Expertise:
Magnetoresistive Effect
Magnetic Storage System
Photodiodes
Spectrometer
Recording Head
Optical Device
Magnetic Material
Transducer
Spin Tunnel Magnetoresistive
Manufacturing Method
Composite Head
Visibility Support Apparatus
39 patents (USPTO):Explore Patents

Title: **Tsutomu Ishi: A Pioneer in Spectral Measurement Technology**

Introduction

Tsutomu Ishi, an innovative inventor based in Tokyo, Japan, has made significant contributions to the field of spectral measurement technology, holding an impressive total of 39 patents. His work focuses on developing advanced devices that harness spectral data, enabling a deeper understanding and analysis of various measurement targets.

Latest Patents

Among Ishi's latest inventions is the **spectrum measurement device**, which recognizes objects based on the spectral data of observed light from a spectrum sensor. This device can measure wavelength information and light intensity, utilizing a specialized lighting device to project light across high atmospheric absorption wavelengths. It computes the distance between a vehicle and an object to be measured, enhancing the capabilities of distance sensing in diverse environments.

Another notable patent is his **spectrometer**, which identifies measurement targets through spectral data sets captured by a spectral sensor. This device is equipped with a spectral data processor that enables sophisticated calculations to correlate spectral data from different positions, allowing for simultaneous identification of measurement targets.

Career Highlights

Throughout his career, Tsutomu Ishi has worked with prominent companies such as NEC Corporation and Toyota Jidosha Kabushiki Kaisha, where he applied his expertise in optics and measurement technology. His contributions have significantly advanced understanding in his field and fostered technological innovations in automotive and electronic industries.

Collaborations

Ishi has collaborated with fellow experts, including Nobuyuki Ishiwata and Kiyokazu Nagahara, which has enriched his work and led to the development of groundbreaking technologies. These partnerships have paved the way for innovation and improvement in spectral measurement solutions.

Conclusion

Tsutomu Ishi stands out as a remarkable inventor in the realm of spectral measurement devices. His relentless pursuit of innovation and collaboration with esteemed colleagues and companies continues to shape advancements in technology. With 39 patents to his name, Ishi remains a vital contributor to the field, demonstrating the pivotal role of inventors in enhancing our understanding of spectral data applications.

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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